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Tytuł:
Control of root-knot nematode (Meloidogyne incognita) in tomato (Solanum lycopersicum) crop using Siam weed (Chromolaena odorata) compost manure
Autorzy:
Abolusoro, S.A.
Odekiya, A.O.
Aremu, C.
Ige, S.
Izuogu, N.B.
Abolusoro, P.F.
Erere, A.
Obaniyi, S.
Powiązania:
https://bibliotekanauki.pl/articles/1080263.pdf
Data publikacji:
2020
Wydawca:
Instytut Ogrodnictwa
Tematy:
root-knot nematode
Meloidogyne incognita
tomato
seedling
Roma cultivar
Solanum lycopersicum
compost
manure
Chromolaena odorata
carbofuran
growth
yield
Opis:
A field experiment was conducted at Landmark University Omu-Aran, Nigeria from June to November 2017 and repeated at the same time in the year 2018 on a nematode infested soil to evaluate the effects of different amounts of Siam weed compost on the performance of root-knot nematode (RKN) infested tomato. The compost was applied a week before planting as soil amendment at the amount of 0.0, 0.5, 1.5, and 2.0 t·ha-1, while carbofuran was applied at the rate of 3.0 kg·ha-1. Four weeks old tomato seedlings cultivar ‘Roma VF’, which is susceptible to RKN, was transplanted to already prepared soil. Results of the experiment showed that the compost, especially in the amount 2 t·ha-1 and carbofuran at 3 kg·ha-1, brought about significant reduction of the population of RKN in soil and roots, and a significant increase in the growth and yield of tomato. The result of the experiment showed that Siam compost can be used for the managing root-knot nematodes in tomato cultivation, as an environmentally safe factor.
Źródło:
Journal of Horticultural Research; 2020, 28, 1; 87-92
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of root-zone glyphosate exposure on growth and anthocyanins content of radish seedlings
Autorzy:
Grzesiuk, A.
Dębski, H.
Oknińska, K.
Koczkodaj, D.
Szwed, M.
Horbowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/12189078.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant cultivation
radish
seedling
root zone
anthocyanin content
Opis:
The response of radish seedlings (Raphanus sativus L. subvar. radicula Pers.), as non-target plant, to various doses of glyphosate applied to root zone was studied in the experiment. The glyphosate was used at concentrations 0.1, 0.5 and 2.0 mM, and the study was conducted on seedlings grown in hydroponic cultures in controlled light and temperature conditions. In the experiment, roots of seedlings were exposed to glyphosate for 4, 7 or 14 days. In order to evaluate the effect of glyphosate, length and biomass of the seedling organs, as well as contents of anthocyanins in hypocotyls and cotyledons have been measured. Glyphosate applied to root zone had considerably higher impact on the growth of the primary root than shoot of radish seedlings. Short-term exposure to glyphosate led to the stimulation of growth and biomass organs of the radish seedling, but such treatment had no effect on the contents of anthocyanins in the cotyledons and hypocotyl. However, after longer exposure to glyphosate a decrease of anthocyanins content in the hypocotyl and its increase in the cotyledons was noted.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 2; 3-10
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
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:
Effects of fungi isolated from Quercus robur roots on growth of oak seedlings
Autorzy:
Kwasna, H.
Szewczyk, W.
Powiązania:
https://bibliotekanauki.pl/articles/41173.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
growth inhibition
fungi
endophyte
isolation
Quercus robur
root
plant growth
oak
seedling
Opis:
Effects of 62 isolates (of 41 taxa) of fungi on growth of 1-year-old oak (Quercus robur) seedlings were studied in an inoculation experiment. The fungi were isolated from roots of 80–96-year-old Q. robur that had been subjected to periodic flooding and had symptoms of oak decline. The fungal genera included Alternaria, Aspergillus, Calonectria, Chaetomium, Cladosporium, Clonostachys, Corynespora, Cylindrocarpon, Dicyma, Geotrichum, Ilyonectria, Isaria, Metarhizium, Oidiodendron, Ophiostoma, Pezicula, Phialocephala, Phialophora, Pyrenochaeta, Sporendocladia, Sporothrix, Thelonectria, Trichoderma and Trimmatostroma. Mycelial colonies of fungi growing in potato-dextrose broth were used for soil inoculation. Plant growth was assessed 2 years after inoculation, when the plants were 3 years old. Stem lengths, and dry weights of stems, roots and leaves were measured. Stem growth was inhibited by 31 isolates (50%) and root growth by 12 isolates (19%). Stem growth was stimulated by two isolates (3%) and root growth by 17 isolates (27%). The overall ratio of inhibitors to stimulants was 2.1. The proportion of taxa that inhibited stem growth was 16 times greater than that which promoted stem growth. The proportion of taxa that promoted root growth was only 1.5 times greater than that which inhibited root growth. The structure of the fungal communities in periodically flooded oak forests suggests that they are more likely to inhibit than to promote vigour in oaks.
Źródło:
Dendrobiology; 2016, 75
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary study on the effect on pine forest litter inoculum on the plant growth, mycorrhizal status, and the occurrence of mites (Acari) in the root clumps of white birch seedlings
Autorzy:
Klimek, A.
Rolbiecki, S.
Rolbiecki, R.
Hilszczanska, D.
Kazmierczak, A.
Porzych, A.
Michalska, K.
Szmidla, H.
Powiązania:
https://bibliotekanauki.pl/articles/62240.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
nursery
container nursery
pine forest
litter
inoculum
plant growth
mycorrhizal status
occurrence
mite
Acari
root clump
white birch
Betula pendula
seedling
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2015, III/2
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ zagęszczenia sadzonek buka zwyczajnego w pojemnikach na jego cechy morfologiczne
The influence of seedling density in containers on morphological characteristics of European beech
Autorzy:
Wrzesiński, P.
Powiązania:
https://bibliotekanauki.pl/articles/1311365.pdf
Data publikacji:
2015
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
szkolkarstwo lesne
szkolki lesne
szkolki kontenerowe
kontenery typu Hiko
sadzonki
zageszczenie
buk zwyczajny
Fagus sylvatica
wzrost roslin
system korzeniowy
cechy morfologiczne
seedling density
seedling size
shoot height
seedling root system
container type
container nursery
Opis:
This study examines the influence on growth parameters, in particular the morphological features of the root system, of 1-year-old European beech seedlings cultivated in containers with two different densities. The experiment was conducted in the container nursery in Skierdy (Forest District of Jabłonna) in spring 2011. After 10 months of cultivation in Hiko polyethylene containers, above- and below-ground parts of the seedlings were measured. The measurements of the root system were conducted with a scanner and the WinRHIZO software. No influence due to the seedling density on either shoot height or thickness was observed, but instead the research showed that different seedling densities affected the development of root systems. The mean root thickness and dry mass of the European beech seedlings were significantly higher at the lower density. The influence of seedling density on the development of root mass deserves special attention as it is the most important factor affecting future growth of the seedlings during cultivation. This tendency also suggests that the amount of nutrients allocated to shoot development may be higher in order to improve the efficiency of photosynthesis. At both densities, differences in biomass accumulation affected the root-toshoot ratio. In seedlings cultivated at the lower density, the increased dry root matter of the seedlings resulted in a significant increase in the root-to-shoot ratio. This may cause a potential growth advantage of these seedlings after they are planted and may thus result in a more productive cultivation.
Źródło:
Leśne Prace Badawcze; 2015, 76, 3; 304-310
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fungi infecting ornamental grasses and the pathogenicity of Fusarium culmorum (W.G.Sm.) Sacc. and Fusarium equiseti (Corda) Sacc. to selected species
Grzyby porażające trawy ozdobne i patogeniczność Fusarium culmorum (W.G.Sm.) Sacc. i Fusarium equiseti (Corda) Sacc. dla wybranych gatunków
Autorzy:
Kiecana, I.
Cegiełko, M.
Mielniczuk, E.
Pastucha, A.
Powiązania:
https://bibliotekanauki.pl/articles/11542823.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant infection
fungal infection
fungi
ornamental plant
grass
pathogenicity
Fusarium culmorum
Fusarium equiseti
selected species
plant species
seedling
root necrosis
seed
healthiness
Opis:
One of the reasons lowering the esthetic appearance of a lawn are diseases caused by fungi. The study on seed material of 11 ornamental grass species was carried out in 2009 and 2010. 681 fungi isolates belonging to 22 species and non-sporulating forms were obtained over the two year study period. Among fungi pathogenic to grasses, species of the genus Fusarium were obtained especially in 2010. In that year, isolates of these fungi constituted 29.94% of all isolated colonies. Colonies of Alternaria alternata were also frequently isolated from the analyzed seed material of the ornamental grasses; in 2009 and 2010 its isolates accounted for respectively 25.36 and 12.57% of all isolates. The study on the health of ornamental grasses conducted in field conditions revealed the occurrence of plants with necrosis of the roots and lower stem internodes. The percentage of such plants ranged from 12% for Coix lacryma-jobi to 69% in the case of Festuca ovina. The mean values of the diseases indices were from 2.6 in the case of Coix lacrymajobi to 39.6 for Lagurus ovatus and they differed significantly. From the infected plants mainly species of genus Fusarium were obtained. Majority of isolates consisted F. oxysporum and also F. culmorum, F. crookwellense, F. graminearum, F. solani, F. avenaceum, F. sporotrichioides and species Bipolaris sorokiniana and Exserohilum pedicellatum were obtained. Studies on susceptibility of the seedlings of seven ornamental grass species to infection by Fusarium culmorum No. 34 and F. equiseti No. 62 were conducted in a growth chamber. The statistical analysis of disease indexes for plants that grew in the experimental combination with artificial infection of the subsoil with abovementioned strains as compared to the control indicated significant differences in all studied species in the case of F. culmorum and in 5 species in the experimental combination with F. equiseti. Strain Fusarium culmorum No. 34 proved to be the most pathogenic towards Festuca glauca (98.25), and F. equiseti No. 62 towards Phalaris canariensis (89.5).
Jedną z przyczyn obniżających estetyczny wygląd trawnika są choroby powodowane przez grzyby. Badania przeprowadzono w latach 2009–2010 na materiale siewnym 11 gatunków traw ozdobnych. W ciągu dwóch lat badań uzyskano 681 izolatów grzybów należących do 22 gatunków oraz form niezarodnikujących. Spośród grzybów patogenicznych dla traw, szczególnie w 2010 r., uzyskiwano gatunki z rodzaju Fusarium. Izolaty tych grzybów w tym roku badań stanowiły 29,94% wszystkich wyizolowanych kolonii. Często wyosabniano również kolonie Alternaria alternata, którego izolaty w 2009 i 2010 r. stanowiły odpowiednio 25,36 i 12,57% ogółu wyosobnień. Badania nad zdrowotnością traw ozdobnych przeprowadzone w warunkach polowych wykazały występowanie roślin z nekrozą korzeni i dolnych międzywęźli. Odsetek takich roślin wahał się od 12% dla Coix lacryma-jobi do 69% w przypadku Festuca ovina. Natomiast średnie wartości wskaźników chorobowych wynosiły od 2,6% w przypadku Coix lacryma-jobi do 39,6% dla Lagurus ovatus i różniły się istotnie. Z porażonych roślin uzyskiwano głównie gatunki z rodzaju Fusarium. Większośü izolatów stanowił F. oxysporum, izolowano również gatunki: F. culmorum, F. crookwellense, F. graminearum, F. solani, F. avenaceum, F. sporotrichioides oraz Bipolaris sorokiniana i Exserohilum pedicellatum. Badania podatności siewek siedmiu gatunków traw ozdobnych na porażenie przez Fusarium culmorum nr 34 i F. equiseti nr 62 przeprowadzono w fitotronie. Analiza statystyczna wskaźników chorobowych dla roślin wyrosłych w kombinacji doświadczenia ze sztucznym zakażaniem podłoża przez wyżej wymienione szczepy w porównaniu z kontrolą wykazała istotne różnice u wszystkich badanych gatunków traw w przypadku F. culmorum i u 5 gatunków w kombinacji doświadczenia z F. equiseti. Szczep Fusarium culmorum nr. 34 okazał się najbardziej patogeniczny w stosunku do Festuca glauca (98,25%), natomiast F. equiseti nr 62 dla Phalaris canariensis (89,5%).
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2014, 13, 5; 61-75
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gamma-tubulin distribution in root cells of soybean (Glycine max L.) seedlings under cadmium stress
Autorzy:
Gzyl, J.
Przymusinski, R.
Gwozdz, E.A.
Powiązania:
https://bibliotekanauki.pl/articles/80983.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
microtubule
gamma-tubulin
root cell
soybean
Glycine max
seedling
cadmium stress
heavy metal
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Growth parameters and ionic versus chelated zinc uptake in Pisum sativum L.
Autorzy:
Glinska, S.
Gapinska, M.
Kryczka, M.
Skiba, E.
Kubicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/80253.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
growth parameter
Pisum sativum
ethylene diamine tetra acetic acid
seedling
metal uptake
zinc chelate
zinc concentration
root elongation
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytotoxic effects of m-tyrosine on tomato (Solanum lycopersicum L.) root growth – alterations in ROS production and hormonal balance
Autorzy:
Olechowicz, J.
Gniazdowska, A.
Krasuska, U.
Bogatek, R.
Powiązania:
https://bibliotekanauki.pl/articles/80222.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
m-tyrosine
tomato
Solanum lycopersicum
root growth
tomato seedling
phytotoxic effect
auxin concentration
reactive oxygen species
hormonal balance
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ROS and NO production by axenically cultured olive seedling roots after interaction with a mycorrhizal or a pathogenic fungus
Autorzy:
Espinosa, F.
Ortega, A.
Garrido, I.
Casimiro, I.
Alvarez-Tinaut, M.
Powiązania:
https://bibliotekanauki.pl/articles/80720.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
reactive oxygen species
nitric oxide
mycorrhizal fungi
pathogenic fungi
axenic culture
seedling root
olive
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fungi colonizing roots of zucchini (Cucurbita pepo L. var. giromontina) plants and pathogenicity of Fusarium spp. to zucchini seedlings
Grzyby zasiedlające korzenie roślin cukinii (Cucurbita pepo L. var. giromontina) oraz patogeniczność grzybów rodzaju Fusarium dla siewek cukinii
Autorzy:
Jamiolkowska, A.
Wagner, A.
Sawicki, K.
Powiązania:
https://bibliotekanauki.pl/articles/26981.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
fungi
root
zucchini
Cucurbita pepo var.giromontina
plant root
pathogenicity
Fusarium
seedling
root rot
stem base rot
Opis:
Zucchini is a very valuable vegetable, easy to grow both in the field and under covers but it is often attacked by soil-borne fungi. The investigations were carried out in a farm near Lublin where three zucchini cultivars: Astra, Atena and Soraya, were grown in a tunnel and in the field in 2008-2009. Plants with stem and root rot were collected for laboratory tests. Mycological analysis showed that the predominant fungi were F. culmorum, F. equiseti and F. oxysporum. More Fusarium colonies were isolated from the roots of zucchini grown in the tunnel. In the pathogenicity test, all tested isolates of F. culmorum, F. equiseti and F. oxysporum proved to be pathogenic to zucchini seedlings, causing stunting, stem and root rot. The highest disease index was noticed in the combination with F. culmorum isolate fck61.
Źródło:
Acta Agrobotanica; 2011, 64, 1
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of pruning of vertical roots on growth of one-year Scots pine (Pinus sylvestris L.) seedlings in the first year after transplanting
Autorzy:
Buraczyk, W.
Kapuscinska, M.
Powiązania:
https://bibliotekanauki.pl/articles/38741.pdf
Data publikacji:
2010
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
pruning
vertical root
plant growth
one-year tree
Scotch pine
Pinus sylvestris
seedling
first year
transplantation
root system
Opis:
The research was carried out in 2006 within the area of forest nursery in Okalewo, the Forest Inspectorate Skrwilno (Central Poland, at 53º02´N, 19º23´E). The aim of the study was to determine the effects of root pruning in one-year Scots pine seedlings (Pinus sylvestris L.) on their growth after transplanting. The vertical roots of one-year Scots pine seedlings were pruned to the length of 5, 10, 15 i 20 cm and measured. The scope of measurements included: stem length and thickness, total root length, root length within thickness classes, surface root area, root volume as well as the number of root tips and ramifications. The measurements of root systems were performed with the use of a scanner and WinRhizo software. The seedlings were transplanted and were growing in the nursery all through the vegetation season 2006. In October of this year the seedlings were lifted from the ground and measured again at the same scope. Reiterated measurements allowed evaluation of increment characteristics after transplanting. The results indicated negative impacts of intensive root pruning before transplantation on seedling survival rates. Severe pruning of seedling vertical roots had negative effects on increment gained by both above- and underground seedling parts. Pruning roots to 5 cm of length significantly decreased pine seedling survival rate of. On the other hand, 20 cm long roots have no significant effects on seedling survival and increment but they can cause difficulties in seedling nursery cultivation.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2010, 52, 1
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micropropagation of Plantago maritima L. - a vanishing species in Poland
Autorzy:
Makowczynska, J
Andrzejewska-Golec, E.
Powiązania:
https://bibliotekanauki.pl/articles/59169.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Plantago maritima
organogenesis
Polska
Plantaginaceae
shoot formation
seedling
vanishing species
shoot micropropagation
micropropagation
salt marsh plant
root regeneration
Opis:
A vanishing species in Poland - Plantago maritima L. was regenerated in vitro from tips of shoots (obtained in vitro) and from different explants of 4-week-old seedlings: seedling tips, hypocotyls, cotyledons, roots. Murashige and Skoog basal medium, supplemented with 0.6 pM indole-3-acetic acid in combination with cytokinins 6-benzyladenine, zeatin or kinetin, was used. The plants obtained in the result of micropropagation were normal in appearence. It was proved that Plantago maritima species was amenable to propagation from different kinds of explants. The method may be of significance for protection of sea plantain.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 1; 13-18
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phenolic compounds and properties of antioxidants in grapevine roots [Vitis vinifera L.] under drought stress followed by recovery
Autorzy:
Weidner, S
Karolak, M.
Karamac, M.
Kosinska, A.
Amarowicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/59363.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
soil condition
drought stress
oxidative stress
root
Vitis vinifera
seedling
plant root
phenolic compound
root tissue
grape-vine
soil moisture
antioxidative system
Opis:
Grapevine seedlings Vitis vinifera were grown in a greenhouse under optimum conditions (soil moisture ca 70%) and under drought stress (soil moisture ca 35%). In addition, some of the plants subjected to drought underwent subsequent regeneration under optimum conditions. Drought stress caused accumulation of total phenolic compounds in grapevine roots, which may indicate that these compounds play an important role in the adaptation of roots to growth under stress conditions. Phenolic acids found in the roots occurred in the ester-bound form only. p-coumaric acid was present in the highest concentrations (6.2 to 10.5 µg/g fresh matter). The content of ferulic acid was lower, ranging from 2.4 to 4.6 µg/g fresh matter. The lowest concentration in grapevine roots was achieved by caffeic acid (2.4 to 2.9 µg/g fresh matter). The levels of p-coumaric and ferulic acids in roots rose significantly under the drought stress, while the concentration of caffeic acid increased during the post-drought recovery period. This may suggest that some of the phenolic acids protect plants under stress conditions. All the extracts from grapevine roots had antioxidative properties, but the antiradical activity of the extracts obtained from roots subjected to drought stress was inferior to the control. The same extracts were also characterised by depressed reducing power. The results imply that tolerance of grapevine to soil drought may be associated with the value of antioxidative potential in root tissues of these plants.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 2; 97-103
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 30

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