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Tytuł:
Germinability of soybean seeds stored more than 30 years in the Bulgarian national seed genebank
Autorzy:
Desheva, Gergana
Petrova, Sofia
Deshev, Manol
Powiązania:
https://bibliotekanauki.pl/articles/1182423.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
genebank
seed germination
seed longevity
seed viability
soybean
Opis:
The maintenance of seed viability over long periods of time in genebanks is a key element in conservation of plant genetic resources. In this work, data obtained at the Bulgarian National seed Genebank from the routine task of monitoring seed viability from soybean were analyzed. Differences between initial, first and second germination test after 11 and 34 years of long-term storage were assessed among 182 accessions from Glycine max (L.) Merr. The samples were regenerated during 1978-1981 growing seasons. On the basis of experimental data, the seed storage characters - σ, P50% and P10% were determined allowing the prediction of seed storage life and the regeneration needs. Significant decrease in seed viability after 11 years of storage was not recorded in the investigated soybean accessions from the different regeneration years. When comparing the initial germination percentages with results from the second control test after 34 years of storage were found significant differences in the loss of seed viability among genotypes from different regeneration years. The frequency of odd results were most significant for genotypes regenerated in 1981 (0.691) in comparison with these from other regeneration seasons. The highest Ki value (2.09) was recorded for accessions from 1981 harvest year; where rate of seed deterioration (1/σ) was also highest (-0.044). The lowest values both for Ki and 1/σ were found for the groups of accessions harvested in 1978 and 1979. There was a wide variation between groups of accessions regenerated in different years in both the time taken for viability to fall to 50% and the time for seed viability reduction with 10%. The predicted mean safe storage time for Glycine max (L.) Merr. was 25.54 years. Total 76 accessions or 42,2% of analyzed accessions had significant decrease of germination after 34 years of storage and would need regeneration.
Źródło:
World Scientific News; 2017, 69; 29-46
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of laser and variable magnetic field simulation on amaranth seeds germination
Autorzy:
Dziwulska-Hunek, A
Kornarzynski, K.
Matwijczuk, A.
Pietruszewski, S.
Szot, B.
Powiązania:
https://bibliotekanauki.pl/articles/26336.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
laser
magnetic field
simulation
amaranth
seed germination
germination temperature
Źródło:
International Agrophysics; 2009, 23, 3; 229-235
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Povyshenie urozhajjnosti tomatov za schjot poseva proroshhennymi semenami
Increase productivity due to planting tomato seeds sprouted
Autorzy:
Bakum, N.
Yashchuk, D.
Krekot, N.
Powiązania:
https://bibliotekanauki.pl/articles/76960.pdf
Data publikacji:
2015
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
tomato
crop
hydroseeding
seed sowing
seed germination
yield
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 7
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of cytokinins on flax seed germination at low temperature
Autorzy:
Buklaha, S
Niedzwiedz-Siegien, I.
Powiązania:
https://bibliotekanauki.pl/articles/58497.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
cytokinin
flax
seed germination
low temperature
germination
gibberellin
Linum usitatissimum
Opis:
Germination of flax seeds (Linum usitatissimum L., cv. Szafir) at 5oC was enhanced by continuous white light, gibberellin A3 (GA3), kinetin and benzylaminopurine. GA3 and kinetin at physiological concentrations (10-8-10-6 M) improved significantly germination in darkness. Stimulatory effect of benzylaminopurine was visible only in the light. Almost no effect of zeatin and isopentenyladenine (2iP) on germination was observed. Possible causes of this differences were suggested.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 4; 281-284
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemical-induced seed germination and enhancement of seed potential of seven wild plant taxa of Ericaceae in India
Autorzy:
Chandan Kumar, Pati
Bhattacharjee, Aloke
Roy, Priyankar
Mahanty, Dibyendu S.
Panda, Subhasis
Powiązania:
https://bibliotekanauki.pl/articles/1158777.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ericaceae
Seed germination
T50 of germination
catalase
protein
seed metabolism
Opis:
Pretreatment of seeds of seven wild plant taxa (viz., Gaultheria hookeri C. B. Clarke, G. stapfiana Airy Shaw, G. semi-infera (C. B. Clarke) Airy Shaw, G. trichophylla Royle var. ovata Panda & Sanjappa, Lyonia ovalifolia (Wall.) Drude var. ovalifolia, Pieris formosa (Wall.) D. Don and Vaccinium glauco-album C. B. Clarke) in the family Ericaceae using Na-dikegulac (Na-DK) for 8 hours (4 + 4 h in two installments) before keeping in ambient storage condition (32±2 ºC) for different durations (0 and 20 days) slowed down the rapid loss of germination and reduced the time (h) required for 50% seed germination (T50). Concomitantly, the reduction of protein level as well as the activity of catalase of seed kernels during storage period was ameliorated to a significant extent in the chemical pretreated seed lots.
Źródło:
World Scientific News; 2018, 114; 249-255
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of magnetized water on germination energy of seeds and weight of garden savory (Satureja hortensis L.), buckwheat (Fagopyrum esculentum L.), yellow lupine (Lupinus luteus L.) and winter rape (Brassica napus L.) seedlings
Autorzy:
Podsiadło, C.
Skorupa, B.
Powiązania:
https://bibliotekanauki.pl/articles/101201.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
magnetized water
seed germination
fresh weight
dry weight
seedlings
Opis:
The laboratory experiment was carried out in 2008-2009. It consisted of several series of measurements, which were designed to evaluate the effect of magnetized water on seeding value and growth of seedlings and the weight of selected plant species. The results confirmed a diverse reaction of assessed species seeds towards the type of water used. Mag¬netized water stimulated the seed germination of garden savory and rape, while had no effect on the seeds of yellow lupine. In case of the seeds of buckwheat, this parameter decreased under the influence of magnetized water in the first six days of the experiment. A beneficial effect of bio-stim¬ulation with magnetized water on the rate of growth of the aboveground parts of seedlings was recorded. The positive effect related to all species. The greatest stimulation was observed in buckwheat and garden savory. The use of magnetized water reduced the growth rate of roots at garden savory and buckwheat, while it increased the growth of winter rape roots. It had no effect in yellow lupine. The type of water exerted a significant influence on the fresh weight and roots of seedlings. Regardless of the assessed species, the use of magnetized water resulted in a significant increase in fresh weight and roots by 6% and 9%. No significant influence of the water type on dry matter of seedlings of analysed plant was assessed.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1241-1250
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ chlorku sodu na zdolność kiełkowania nasion wybranych roślin warzywnych
Effect of sodium chloride salinization on the seed germination of selected vegetable plants
Autorzy:
Mazur, Z.
Radziemska, M.
Tomaszewska, Z.
Swiatkowski, L.
Powiązania:
https://bibliotekanauki.pl/articles/887197.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
sodium chloride
salinization
salt stress
seed germination
vegetable plant
Źródło:
Scientific Review Engineering and Environmental Sciences; 2013, 22, 4[62]
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effectiveness of paprika seeds germination in relation to the physical properties
Efektywność kiełkowania nasion papryki w zależności od ich właściwości fizycznych
Autorzy:
Sobczak, P.
Zarajczyk, J.
Kowalczuk, J.
Zawislak, K.
Panasiewicz, M.
Mazur, J.
Starek, A.
Powiązania:
https://bibliotekanauki.pl/articles/793453.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
pepper
seed germination
seed size
strength
separation
physical property
thickness
hardness
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2013, 13, 2
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Cardinal Temperatures and Thermal Time Requirement for Germination of Scrophularia Striata and Tanacetum Polycephalum (Schultz Bip. Ssp. Heterophyllum)
Autorzy:
Karavani, Bahram
Afshari, Reza Tavakkol
Hosseini, Nasser Majnoon
Moosavi, Seyed Amir
Akbari, Hamed
Powiązania:
https://bibliotekanauki.pl/articles/2199708.pdf
Data publikacji:
2018-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Cardinal temperatures,
Seed germination rate,
Thermal time,
modeling
Opis:
Scrophularia striata and Tanacetum polycephalum are important medicinal plants in Iran which are rich inessential oils, bitter substances, and sesquiterpene lactones. The present study was conducted to compare fournon-linear regression models (segmented, beta, beta modified and Dent-like) to describe the germination ratetemperaturerelationships of Scrophularia striata and Tanacetum polycephalum over eight and seven constanttemperatures, respectively, to find cardinal temperatures and thermal time requirements to reach differentgermination percentiles. An iterative optimization method was used to calibrate the models and differentstatistical indices including RMSE, coefficient of determination (R2), and AICc were applied to compare theirperformance. The beta model was found to be the best model to predict germination rate of Scrophulariastriata at D10, D50 and D90 (R2 = 0.96, R2 = 0.97, R2 = 0.95; RMSE = 0.005, 0.001 and 0.001, respectively).According to this model outputs, the base, optimum, and the maximum temperatures for germination wereestimated as 1.21 ± 0.39, 25.91 ± 0.33 and 46.35 ± 4.12 °C, respectively. Also the segmented model wasfound to be the best model to predict germination rate of Tanacetum polycephalum at D10, D50 and D90 (R2= 0.98, R2 = 0.98, R2 = 0.98; RMSE = 0.067, 0.59 and 0.56, respectively). According to the model outputs, thebase, optimum, and the maximum temperatures for germination were estimated as 0.44±1.15, 26.95±0.75 and38.33±0.98 oC, respectively. It seems these two medicinal plants need moderate optimum temperature for seedgermination.
Źródło:
Plant Breeding and Seed Science; 2018, 78; 83-97
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibacterial Effect of Sea Buckthorn (Hippophae rhamnoides L.) Fruit Extract on Radish Seeds Prior to Sprouting
Autorzy:
Rajkowska, Katarzyna
Rykała, Emilia
Czyżowska, Agata
Powiązania:
https://bibliotekanauki.pl/articles/31341110.pdf
Data publikacji:
2024-04-18
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
sea buckthorn fruit
antibacterial activity
radish seed decontamination
seed germination
phenolic compounds
Opis:
Sprouts consumption is increasing worldwide due to their nutritional and health benefits. However, they can be sources of foodborne bacterial diseases, including sprout-related outbreaks caused primarily by Shiga toxin-producing Escherichia coli and Salmonella spp. The aim of this study was to determine the efficacy of a dried sea buckthorn fruit extract in sanitization of contaminated radish seeds. The efficacy of 15-min seed treatment and 3-h soaking in the extract solution was evaluated in comparison to the treatment with 20,000 mg/L calcium hypochlorite, recommended by the U.S. Food and Drug Administration. The effect of the sea buckthorn fruit extract on radish seed germination capacity and the profile of phenolic compounds in the extract were also determined. Decontamination effect of the extract after a 15-min seed treatment ranged from 72.1% against Staphylococcus aureus to 93.0% against Listeria monocytogenes and was higher than that of active chlorine against E. coli, S. aureus and Salmonella enterica. Soaking seeds for 3 h in the extract increased the decontamination efficiency only against S. aureus (81.9%). Compared to water, after 4 days of sprouting, no significant differences were found in radish seed germination capacity and the length of roots and hypocotyls of sprouts. The sea buckthorn fruit extract had a high content of phenolic compounds, namely isorhamnetin 3-rhamnosylglucoside (12.99 mg/L), isorhamnetin 3-rutinoside (8.25 mg/L), protocatechuic acid (5.43 mg/L), isorhamnetin 3-glucoside (3.41 mg/L), and gallic acid (3.36 mg/L). The extract can be used as a substance limiting bacterial contamination of radish seeds and, as a result, sprouts, as well as a valuable source of phenolic compounds.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2024, 74, 2; 120-129
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seed characteristics of Amygdalus arabica in Adıyaman region of Turkey
Autorzy:
Yilmaz, M.
Kalkan, M.
Demirbağ, H.
Powiązania:
https://bibliotekanauki.pl/articles/2078191.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
mountain almond tree
hot-arid areas
seed germination
prechilling
dormancy
Opis:
Mountain almond (Amygdalus arabica) is a shrub with naturally distributing in Turkey, Iran, Iraq, Syria, Jordan and Saudi Arabia. A. arabica also known as bitter almond and can reach up to 2.5 m. The natural distribution of mountain almond is generally in the Southeast Region of Turkey. The present study carried out to determine the morphological and physiological characteristics of the seed of mountain almond. The seeds were collected from three different populations of A. arabica in Adıyaman. For different each populations seed weight, height, width, thickness, and 1000-seed weight were measured in the laboratory. Morphological characteristics of A. arabica seeds varied according to their populations. Seed germination tests were conducted at 20 °C, after prechilling for 0, 3, 6, and 9 weeks at 4 °C. Prechilling treatments of 3 weeks were insufficient, but 6 and 9 weeks of prechilling were found to eliminate seed dormancy and led to the highest germination percentage. The average germination percentage after 0, 3, 6, and 9 weeks of prechilling were 3.1%, 49.6%, 80.4%, and 81.1%, respectively. The average mean germination time was approximately between 8 and 10 days.
Źródło:
Dendrobiology; 2020, 84; 49-57
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Germination and vigour of kohlrabi seeds subjected to priming in the presence of Alternaria brassicicola (Schw.) Wiltshire
Kiełkowanie i wigor nasion kalarepy poddanych kondycjonowaniu w obecności Alternaria brassicicola (Schw.) Wiltshire
Autorzy:
Dorna, H.
Szopińska, D.
Tylkowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/11541922.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
seed germination
germination
seed vigor
kohlrabi
Brassica oleracea var.gongylodes
seed health
Alternaria brassicicola
seed quality
priming
vegetable
Opis:
Priming is a treatment applied for seed enhancement. Brassica vegetable seeds are commonly affected by Alternaria brassicicola. The changes in germination and vigour of kohlrabi (Brassica oleracea L. var. gongylodes L.) seeds subjected to two priming methods in the presence of A. brassicicola were investigated. The following treatments were applied: uninoculated non-primed seeds (control), seeds inoculated with A. brassicicola (2∙104 spores ml-1), uninoculated and inoculated seeds hydroprimed for 1–2 days, and uninoculated and inoculated seeds osmoprimed for 1–4 days. The percentage of germinating seeds, germination capacity, the percentages of diseased seedlings and dead seeds were determined. The speed of germination, tetrazolium staining index, and electrical conductivity described seed vigour. The presence of A. brassicicola on/in seeds was confirmed on CW semiselective agar. Osmopriming was conducive to penetration of A. brassicicola into kohlrabi seeds. The presence of the fungus had no influence on the percentage of germinating seeds, but a significantly lower germination capacity and a higher percentage of diseased seedlings and dead seeds were observed after inoculation. Non-primed inoculated seeds germinated faster than uninoculated ones. Despite the presence of A. brassicicola, osmotic priming improved seed vigour as measured by the speed of seed germination and electrical conductivity. The results of the tetrazolium vigour test showed its limited usefulness for seeds heavily infected with A. brassicicola.
Kondycjonowanie nasion jest zabiegiem poprawiającym ich jakość. Nasiona warzyw kapustnych są powszechnie zasiedlone przez grzyb Alternaria brassicicola. W pracy analizowano wpływ dwóch metod kondycjonowania na kiełkowanie i wigor nasion kalarepy (Brassica oleracea L. var. gongylodes L.) inokulowanych A. brassicicola. Badano nasiona nieinokulowane i niekondycjonowane (kontrola), nasiona inokulowane A. brassicicola (2∙104 zarodników·ml-1), nasiona nieinokulowane i inokulowane hydrokondycjonowane przez 1 i 2 dni oraz nasiona nieinokulowane i inokulowane osmokondycjonowane przez 1–4 dni. Określano liczbę nasion kiełkujących, zdolność kiełkowania oraz procent siewek chorych i nasion martwych. Wigor nasion oceniano na podstawie szybkości ich kiełkowania, testu tetrazolinowego oraz testu konduktometrycznego. Zasiedlenie nasion przez A. brassicicola badano na półselektywnej agarowej pożywce CW. Osmokondycjonowanie sprzyjało penetracji nasion przez patogen. Obecność grzyba w/na nasionach nie miała wpływu na procent kiełkujących nasion, ale znacząco zmniejszała ich zdolność kiełkowania, zwiększając jednocześnie liczbę siewek chorych i nasion martwych. Pomimo obecności patogena kondycjonowanie osmotyczne poprawiało szybkość kiełkowania nasion i wyniki testu konduktometrycznego. Wyniki testu tetrazolinowego wykazały jego ograniczoną przydatność do badania wigoru nasion porażonych w dużym stopniu przez A. brassicicola.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2010, 09, 1; 45-54
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of salt stress-tolerant bacterial endophytes from Bougainvillea glabra on the growth of Triticum aestivum L. var. HD 2687 and Zea mays var. PSCL-4642
Autorzy:
Karnwal, A.
Powiązania:
https://bibliotekanauki.pl/articles/2096990.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Bougainvillea glabra
NaCl
plant growth
seed germination
saline stress
Opis:
Wheat and corn crops contribute to the food security of humans by providing a nutrient-rich diet. However, their production in abiotic stress conditions such as salinity is limited. Endophytes exert a beneficial effect on plants through the decomposition of organic materials for smooth absorption, detoxification, and reduction of the effect of phytopathogenic microorganisms by increasing the immunity of host plants to resist phytopathogens and through nutrient deposition in plants responsible for reducing salt stress. The present study aimed to evaluate the NaCl tolerance efficiency of Triticum aestivum L. var. HD 2687 and Zea mays var. PSCL-4642 cultivars at the germination stage after inoculation with salt-tolerant bacterial endophyte BoGl21 isolated from Bougainvillea glabra. The seeds of both crops were tested for percentage of seed germination with/without bacteria at 50, 100, 150, and 200 mM NaCl concentrations. The BoGl21 isolate induced a significant increase in radicle length in corn (25.6 mm) as compared to that in wheat (10.3 mm) at 50 mM NaCl. However, at 100 mM NaCl, the radical length of wheat and corn seedlings was 5 mm and 8.8 mm, respectively. Inoculation of maize and wheat with the bacterial isolate significantly increased the plumule length of the germinated seeds as compared to that of controls. BoGl21 increased the plumule length of wheat as compared to that of the control seeds by 31.9, 11.7, and 4.8 mm at 50, 100, and 150 mM salinity stress, respectively. Inoculation of corn seeds with BoGl21 at the tested NaCl levels (50, 100, and 150 mM NaCl) increased the plumule length of the germinated seeds by 33.1, 22, 13.2, and 3.2 mm, respectively. The current research results support the hypothesis that bacterial endophytes could be beneficial to minimize the toxicity of saline stress on wheat and corn at the time of germination.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 2; 89-99
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of milk thistle (Silybum marianum (L.) Gaertn.) seed germination in relation to seed health and seedling emergence
Autorzy:
Rosinska, A.
Dorna, H.
Szopinska, D.
Irzykowska, L.
Seidler-Lozykowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/71929.pdf
Data publikacji:
2018
Wydawca:
Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:
medicinal plant
milk thistle
Silybum marianum
seed germination
seed health
seedling emergence
Opis:
Milk thistle (Silybum marianum (L.) Gaertn.) is an important medicinal plant. Achenes of milk thistle contain sylimarin, protecting liver cells against toxic compounds. The aim of the research was to find an optimum method of evaluation of milk thistle seed germination. Ten seed samples were tested. The seeds were germinated: on top of blotter paper, on top of blotter paper after seed disinfection, between pleated blotter paper, in rolled blotter paper and in sand. Germination at the first and final counts, the percentages of abnormal seedlings and dead seeds were determined. The correlation coefficients between seed germination, evaluated with various methods, and seedling emergence were calculated. Moreover, fungi associated with seeds and diseased seedlings were identified. The lowest percentage of normal seedlings was observed after germination on the top of blotter. Highly significant positive correlations were noted between seedling emergence and seed germination at the final count evaluated in rolled paper, between pleated paper and in sand. The fungi from genera:Alternaria, Fusarium, Penicillium, Trichoderma, Ulocladium and Verticillium were frequently identified on seeds and seedlings. Infestation with fungi significantly affected milk thistle seed germination and plant emergence. Germination in rolled blotter paper may be recommended for evaluation of milk thistle seed germination, as the most practical and significantly correlated with seedling emergence.
Źródło:
Herba Polonica; 2018, 64, 3
0018-0599
Pojawia się w:
Herba Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative study for effects of chemical mutagenesis on seed germination, survivability and pollen sterility in M1 and M2 generations of Dianthus
Autorzy:
Roychowdhury, Rajib
Alam, Molla Jaunatul Ferdousul
Bishnu, Sunanda
Dalal, Tinkari
Tah, Jagatpati
Powiązania:
https://bibliotekanauki.pl/articles/2199631.pdf
Data publikacji:
2012-04-19
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
chemical mutagen
Dianthus caryophyllus
mutant generation
pollen sterility
seed germination
Opis:
Chemical mutagenesis is an efficient tool used in mutation breeding programme for improving various vital characteristics in floricultural crop, like Dianthus. In this study, ethyl methane sulphonate (EMS), sodium azide (SA) and colchicine (COL) with three different concentrations (0.1%, 0.4% and 0.7%) were used to analyse their effect on seed germination behaviour, survivability and pollen sterility in both first (M1) and second (M2) mutant generations. It was noted that increase in the dose of EMS and SA, germination percentage and survivability were decreased; whereas colchicine doses were proportional to increase germination percentage at seedling stage, but they were not survived till maturity. In M1 and M2, higher lethality over control (44.3 and 32.89, respectively) was shown by 0.7% of SA and EMS, respectively. Pollen sterility was also increased with increasing mutagenic doses. The maximum pollen sterility was 71.8% and 61.1% for 0.7% COL in M1 and M2, respectively. So, the effect of chemical mutagenesis on biological parameters with SA (0.7%) treatment in M1 and EMS (0.7%) treatment in M2 were much more beneficial as compared to colchicine. For each studied parameter, chemical mutagenesis was higher in M1 than M2. Hence, for the first time in Dianthus, we reported that these mutagens can be used for improving the germination behaviour and the metrical traits in Dianthus cultivar.
Źródło:
Plant Breeding and Seed Science; 2012, 65; 29-38
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected aspects of tiny vetch [Vicia hirsuta (L.) Gray S.F.] seed ecology: generative reproduction and effects of seed maturity and seed storage on seed germination
Wybrane aspekty ekologii nasion wyki drobnokwiatowej [Vicia hirsuta (L.) Gray F.S.]: reprodukcja generatywna oraz wpływ stopnia dojrzałości i warunków przechowywania na kiełkowanie nasion
Autorzy:
Kucewicz, M.
Mackiewicz, K.
Zrobek-Sokolnik, A.
Powiązania:
https://bibliotekanauki.pl/articles/26682.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
tiny vetch
Vicia hirsuta
seed ecology
generative reproduction
seed maturity
seed storage
seed germination
Opis:
Vicia hirsuta (L.) Gray S.F. (tiny vetch) is a common and persistent segetal weed. Tiny vetch seeds and pods reach different stages of maturity during the crop harvest season. Some seeds that mature before cereal harvest are shed in the field and deposited in the soil seed bank, while others become incorporated into seed material. The objective of this study was to describe selected aspects of tiny vetch seed ecology: to determine the rate of individual reproduction of vetch plants growing in winter and spring grain crops and to evaluate the germination of seeds at different stages of maturity, subject to storage conditions. The seeds and pods of V. hirsuta were sorted according to their development stages at harvest and divided into two groups. The first group was stored under laboratory conditions for two months. In the autumn of the same year, the seeds were subjected to germination tests. The remaining seeds were stored in a storeroom, and were planted in soil in the spring. The germination rate was evaluated after 8 months of storage. Potential productivity (developed pods and flowers, fruit buds) was higher in plants fruiting in winter wheat than in spring barley. Vetch plants produced around 17-26% more pods (including cracked, mature, greenish-brown and green pods) and around 25% less buds in winter wheat than in spring barley. Immature seeds were characterized by the highest germination capacity. Following storage under laboratory conditions and stratification in soil, mature seeds germinated at a rate of several percent. After storage in a storeroom, seeds at all three development stages broke dormancy at a rate of 72- 75%. The high germination power of tiny vetch seeds stored in a storeroom indicates that this plant can be classified as an obligatory speirochoric weed species.
Źródło:
Acta Agrobotanica; 2010, 63, 1
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving seed germination and seedling emergence in the Juniperus communis
Autorzy:
Tylkowski, T
Powiązania:
https://bibliotekanauki.pl/articles/41555.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
juniper
Juniperus communis
seedling emergence
seed germination
seed cone
propagation
individual variability
natural regeneration
Opis:
The observed juniper decline, lack of natural regeneration, and disappearance of numerous populations of the common juniper in Poland, were the major reasons for initiation of research on its sexual propagation and seedling production. This study shows that seed dormancy in this species is broken by warm-cold stratification at 15°C/3°C, for 14+12 weeks, respectively. Seed drying for 72 h at room temperature in the middle of the warm phase (i.e. after 4–8 weeks of stratification at 15°C) and the following cold stratification at 3°C, cause a significant increase in seed germination capacity at cyclically alternating temperatures of 3~15°C, and in seedling emergence in growing trays (67 cells each) in a greenhouse. However, seedling emergence was over 2-fold to 4-fold lower in an open nursery than in the greenhouse. After sowing in the nursery, secondary dormancy was probably induced, because some seeds germinated in the following year. Some very young, 2-year-old seedlings started to produce male or rarely female cones. This study also showed that soil conditions of mother plants can influence the pattern of seed germination and seed ling emergence.
Źródło:
Dendrobiology; 2009, 61; 47-53
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of laser irradiation on seed germination and root yield of scorzonera (Scorzonera hispanica L.)
Wpływ naświetlania laserowego na kiełkowanie nasion i plon korzeni skorzonery (Scorzonera hispanica L.)
Autorzy:
Krawiec, M.
Dziwulska-Hunek, A.
Palonka, S.
Kaplan, M.
Baryla, P.
Powiązania:
https://bibliotekanauki.pl/articles/35216.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
laser irradiation
seed germination
emergence
germination capacity
seedling
root yield
scorzonera
Scorzonera hispanica
Opis:
The problem in the cultivation of scorzonera is often poor, slow and non-uniform field emergence despite the use of seeds with high germination capacity for the sowing. The goal of the study was to determine the effect of pre-sowing laser stimulation of seeds on the germination, emergence and root yield of scorzonera. Seeds were irradiated with a He-Ne laser with wavelength of 632.4 nm. Two doses of laser beam irradiation were applied in terms of surface power density – 6 and 8 mW·cmˉ². Seeds were irradiated 1, 3 and 5 times, and the duration of each irradiation treatment was ca. 0.1 s. Seed treatment with laser light caused an increase of germination capacity, radicle length and dry weight of seedling, and an improvement of field emergence and only a partial increase of the total yield of roots. Depending on the irradiation dose applied, the germination capacity of the seeds increased by 1.5-13.2% in relation to the control. The most beneficial effect on the germination capacity and field emergence was that of the 5-time laser irradiation. Increase of total root yield as a result of pre-sowing seed irradiation was related with increased emergence.
W uprawie skorzonery często występującym problemem są słabe, powolne i niewyrównane wschody, które występują pomimo użycia do siewu nasion o wysokiej zdolności kiełkowania. Celem badań było określenie wpływu przedsiewnej stymulacji laserowej nasion na kiełkowanie, wschody oraz plonowanie skorzonery. Nasiona naświetlano laserem He-Ne o długości fali 632,4 nm. Zastosowano dwie dawki promieniowania wiązką w zależności od gęstości powierzchniowej mocy: 6, i 8 mW·cmˉ². Nasiona naświetlane były 1-, 3-, i 5-krotnie, zaś czas każdorazowego naświetlania wynosił ok. 0,1 s. Traktowanie nasion światłem lasera wpłynęło na zwiększenie zdolności kiełkowania, wzrost długości korzenia i suchej masy siewki, poprawę wschodów polowych i częściowo zwiększenie plonu ogólnego korzeni. W zależności od zastosowanej dawki napromieniowania zdolność kiełkowania nasion zwiększyła się o 1,5-13,2% w stosunku do kontroli. Najbardziej korzystny wpływ na wzrost zdolności kiełkowania i liczebności wschodów miało 5-krotne naświetlanie laserem. Zwiększenie plonu ogólnego korzeni w następstwie przedsiewnego napromieniowania nasion było związane ze zwiększeniem liczebności wschodów.
Źródło:
Acta Agrophysica; 2016, 23, 4
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Rate and Time of Nitrogen Fertilization on Yield Quality of Red Fescue Grown for Seeds
Wpływ dawek i terminów nawożenia azotem na jakość plonu kostrzewy czerwonej uprawianej na nasiona
Autorzy:
Szczepanek, M.
Powiązania:
https://bibliotekanauki.pl/articles/389327.pdf
Data publikacji:
2010
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
kostrzewa czerwona
kiełkowanie nasion
nawożenie azotowe
red fescue
seed germination
nitrogen fertilization
Opis:
Nitrogen rates of 20, 40 or 60 kg o ha-1 were applied in autumn, and 40, 60 and 80 kg o ha-1 in spring in production years (in a single rate or in two parts: 40 kg o ha-1 at the start of growth and 40 kg o ha-1 at the beginning of stern formation). In the first year of seed harvesting, the spring nitrogen rate did not have an effect on the proportion of normally germinating, hard, fresh and dead seeds in the preliminary or final assessments in germination test. In the second year, the application of part of nitrogen for vegetative growth, with limited formation of generative organs, contributed to lowering of seed yield quality. Division of a rate of 80 kg N o ha-1 applied in spring resulted in a decrease in the proportion of normal seedlings as compared with a single application at the start of growth. In conditions of the lowest rate of autumn fertilization, a reduction in seed number in spikelets and an increase in thousand seed weight were accompanied by a decrease in dead seed proportion in yield.
Jesienią, stosowano 20, 40 lub 60 kg N o ha-1, natomiast wiosną w latach pełnego użytkowania 40, 60 oraz 80 kg N o ha-1 (jednorazowo lub w dwóch częściach: 40 kg o ha-1 w czasie początku wegetacji i 40 kg-1 na początku strzelania w źdźbło). W pierwszym roku zbioru nasion wiosenna dawka azotu nie miała wpływu na udział nasion normalnie kiełkujących, twardych, świeżych i martwych w ocenie wstępnej ani końcowej testu kiełkowania. W drugim roku wykorzystanie części azotu na wzrost wegetatywny, przy ograniczeniu tworzenia organów generatywnych przyczyniło się do pogorszenia jakości otrzymanego plonu nasion. Dzielenie dawki 80 kg o ha-1 azotu stosowanego wiosną w porównaniu do jednorazowej aplikacji spowodowało zmniejszenie udziału siewek normalnych z 69,9 do 59,9 %. W warunkach najmniejszej dawki nawożenia jesiennego ograniczeniu liczby nasion w kioskach i zwiększeniu masy tysiąca nasion towarzyszyło zmniejszenie udziału nasion martwych w plonie.
Źródło:
Ecological Chemistry and Engineering. A; 2010, 17, 6; 677-687
1898-6188
2084-4530
Pojawia się w:
Ecological Chemistry and Engineering. A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mutagenic effect on seed germination, seedling growth and seedling survival of pigeon pea (Cajanus cajan (L.) Millsp)
Autorzy:
Ariraman, M.
Gnanamurthy, S.
Dhanavel, D.
Bharathi, T.
Murugan, S.
Powiązania:
https://bibliotekanauki.pl/articles/11271.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
mutagenic effect
seed germination
seedling growth
seedling survival
pigeon pea
Cajanus cajan
Opis:
In the present investigation the seeds of Pigeon pea (Cajanus cajan (L.) Millsp) were treated with different doses of gamma radiation (05KR, 10KR, 15KR, 20KR, 25KR, 30KR, 35KR, 40KR, 45KR, and 50KR) and concentration of Ethyl Methane Sulphonate (05mM, 10mM, 15mM, 20mM, 25mM, 30mM, 35mM, 40mM, 45mM, and 50mM) for studying seed germination, seedling height, (shoot and root), seedling injury, seedling vigour index, and seedling survival of plants at 30th day. The seed germination percentage was decreased with increased in the concentration/doses when compared to control. The LD50 (Lethal dose) value was determined based upon the seed germination percentage. The 50 percentage of seed germination and reduction was observed in 20KR of gamma rays and 25mM of EMS and it is considered as LD50 value for both the treatments. The decrease in seed germination was more prominent with gamma rays than that of EMS treatments. The seedling parameters of gamma rays and EMS treated seedlings were progressively decreased with increase dose/concentration in all mutagenic treatments when compared to control. The maximum seedling parameters were observed in 05KR of gamma rays and 05mM of EMS. Minimum seedling parameters were observed in 50mM of EMS and 50KR of gamma rays respectively.
Źródło:
International Letters of Natural Sciences; 2014, 16
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metal Toxicity Reduction on Seed Germination and Seedling Growth of Raphanus sp. and Arabidopsis sp. Using Date Seed Biochar
Autorzy:
Al-Tarawneh, Amjad
Powiązania:
https://bibliotekanauki.pl/articles/2173280.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
biochar
toxicity
heavy metals
Raphanus sp.
Arabidopsis sp.
seed germination
seedling growth
Opis:
The date seeds (DS) biochar produced at 550°C was found to be appropriate for remediation of metal-contaminated water. This was evident in the data, which showed that applying the biochar to Raphanus sp. and Arabidopsis sp. reduced metal stress and toxicity. The LC50 of all tested metals solutions on seed germination was increased significantly (P<0.05) in Raphanus sp. by 10.4, 2.3, 5, 1.8, and 3 folds, respectively, for Cu, Zn, Cd, Pb, and metals combination, and by 5, 3.4, 6, 5.5, and 2.5 folds in Arabidopsis sp. For seedling growth, the DS biochar enhanced the LC50 significantly (P<0.05) of the same metals in Raphanus sp. by 9.6, 9.2, 13.8, 12.1, and 1.6 folds, and in Arabidopsis sp. by 7, 3, 2.3, 2.9, and 2.7 folds, respectively. The LC of all metals was increased by 1.5 to 8 times and 1.5 to 12 times, respectively, for the seed germination and seedling growth of Raphanus sp. and Arabidopsis sp. Both plants were able to grow shoots at higher metal concentrations when the DS biochar was employed, as compared to the case when no DS biochar was utilized. In terms of shoot length, similar results were achieved, with the DS biochar application significantly enhancing shoot length (P<0.05), as compared to the case when no biochar was applied. Despite the fact that Arabidopsis sp. was more sensitive to metals than Raphanus sp., both plants raised their RGR and TI and reduced their phytotoxicity values in all metals following the DS biochar application, and sprouted at higher metal concentrations than before. These findings introduce a successful eco-friendly adsorbent for metal removal from aquatic environments, paving the way for more investigations.
Źródło:
Journal of Ecological Engineering; 2022, 23, 7; 67--82
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Soil Contamination with Diesel Oil on Germination Dynamics and Seedling Development of Selected Species of the Fabaceae family
Autorzy:
Pawluśkiewicz, Bogumiła
Gnatowski, Tomasz
Janicka, Maria
Powiązania:
https://bibliotekanauki.pl/articles/123318.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
Fabaceae family
soil pollution
diesel oil
seed germination dynamics
nonlinear function
radicle
Opis:
The aim of the study was to determine the effect of soil contamination with diesel oil on the early development of three species of the Fabaceae family (Medicago lupulina L., Lotus corniculatus L., Trifolium repens L.). These species have a wide ecological range and they often occur on extensively used lawns. For these reasons, the knowledge on their tolerance to soil pollution with diesel oil can be of great importance in the creative and conservative cultivation of these plant species and their seed production for establishing the greenery of communication routes. The studies were carried out under controlled laboratory conditions. The soil substrates were composed of the loamy sand mixed with diesel oil in an amount of 2.5 g and 5.0 g per 1 kg of absolute dry mass of soil. The germination dynamics were analyzed. The measurements were conducted twice a day for 12 days after sowing. The development of seedlings was determined on the basis of the length, diameter, area and volume of the radicle. These features were determined on 20-day-old seedlings of the tested species. For the analysis of plant material, the technique of the scanned image was used in the “WinRhizo PRO 2009” software. It was proven that the tested species have various tolerances for the petrol oil in the soil and demonstrate various defense mechanisms under the stress conditions. The least changes of the seed germination rate on the soil with diesel oil against the control were indicated for L. corniculatus. The defense strategy of that species relied on the radicle development through increasing the diameter and – in consequence – the surface and the volume. M. lupulina also showed good germination capacity in the presence of diesel oil, but the radicle was shorter in comparison to the control. The germination rate of T. repens in the contaminated soil was significantly reduced. The recommendation for using not only L. corniculatus, but also M. lupulina on the contaminated areas should be taken into consideration.
Źródło:
Journal of Ecological Engineering; 2020, 21, 1; 210-218
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro propagation of Nepalese orchids: a review
Autorzy:
da Silva, J.A.T.
Acharya, K.P.
Powiązania:
https://bibliotekanauki.pl/articles/1932.pdf
Data publikacji:
2014
Wydawca:
Instytut Ogrodnictwa
Tematy:
in vitro propagation
Nepal
Orchidaceae
orchid
seed germination
tissue culture
germplasm
Źródło:
Journal of Horticultural Research; 2014, 22, 2
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecotoxicological Risk of Alkaline Sodic Waste on Plant Development
Ocena ryzyka ekotoksykologicznego związanego z wpływem alkalicznych odpadów posodowych na rozwój roślin
Autorzy:
Świdwa-Urbańska, Joanna
Kalisztan, Patrycja
Powiązania:
https://bibliotekanauki.pl/articles/385500.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Solvay
odpady posodowe
kiełkowanie roślin
alkaline sodic wastes
seed germination experiments
Opis:
The influence of mixtures of soils and Solvay sediments on plant development was investigated under laboratory conditions to explore the possibility of the revegetation of abandoned post-industrial areas. The sodic alkaline wastes used as a substrate in the research come from settling tanks of the former KZS Solvay Works in Cracow. Such sediments are a mixture of different chemical compounds, characterized by high values of pH and salinity that can constitute strong limiting conditions for future reclamation processes of the area. White clover (Trifolium repens L.), was used in this research as a plant indicator representative of common and sensitive species to the toxic effects of soil high alkalinity and salinity. This work examined the effect of soda factory waste pollution, mixed with three types of soils in four variants of soil: waste ratio, on germination rate and root length development as response variables. The results, analyzed statistically, confirm an inhibiting effect of soda wastes on Trifolium repens L. germination with the significant inhibition of early phase of radicle growth and their elongation. Experiments were conducted on Petri dishes and were based on the Zucconi test. Ecotoxicological risk was evaluated by the percentage of relative seed germination (RSG), relative radicle growth (RRG) and calculated index of germination (GI).
: Celem pracy było zbadanie, w warunkach laboratoryjnych, wpływu odpadów przemysłu sodowego na rozwój roślin. Odpady wykorzystywane w badaniach pochodzą z osadników byłych Zakładów Sodowych Solvay w Krakowie. Osady takie są mieszaniną różnych związków charakteryzujących się wysokim poziomem pH i zasolenia, co może stanowić silną barierę dla przyszłych procesów rekultywacji jako antropogeniczny czynnik stresogenny dla rozwoju roślin. W badaniach jako wskaźnik roślinny wykorzystano koniczynę białą (Trifolium repens L.), gatunek powszechnie występujący i wrażliwy na toksyczne skutki wysokiego zasolenia. W pracy zbadano wpływ odpadów sodowych na kiełkowanie roślin w trzech typach gleb oraz w czterech wariantach stosunku gleba : odpady. Przenalizowane statystycznie wyniki potwierdzają hamujący wpływ odpadów na kiełkowanie Trifolium repens L. z istotnym zahamowaniem wczesnej fazy wzrostu korzeni i ich długości. Eksperymenty przeprowadzono na szalkach Petriego, posługując się testem Zucconiego. Ryzyko ekotoksykologiczne oceniono na podstawie procentu względnego kiełkowania nasion (RSG), procentu względnego wzrostu korzeni (RRG) oraz obliczonego wskaźnika kiełkowania (GI).
Źródło:
Geomatics and Environmental Engineering; 2019, 13, 4; 109-118
1898-1135
Pojawia się w:
Geomatics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary studies on seed germination and changes in foliage of Lysimachia vulgaris L. in garden culture
Autorzy:
Morozowska, M
Powiązania:
https://bibliotekanauki.pl/articles/878139.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
yellow loosestrife
Primulaceae
garden culture
Lysimachia vulgaris
foliage change
seed germination
Opis:
The evaluation of the viability and germination capacity of Lysimachia vulgaris L. seeds under garden cultivation conditions was done and the study on different number of leaves in whorls on shoots of L. vulgaris was performed. Germination capacity of the examined seeds ranged from 2.8% to 52.6% and differed significantly in dependence of the sowing time, germination conditions and the fact whether or not the seeds underwent the stage of vernalization. L. vulgaris plants with different number of leaves in whorls propagated generatively and vegetatively did not have the same number of leaves on their offspring. Plants with two leaves in whorls were most numerable (60.0-70.0%), three laves in whorls were observed on approx. 30.0% and four leaves on approx. 13.0% of the offspring.
Źródło:
Roczniki Akademii Rolniczej w Poznaniu. Botanika; 2004, 07
1508-9193
Pojawia się w:
Roczniki Akademii Rolniczej w Poznaniu. Botanika
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-25 z 185

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