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Wyświetlanie 1-10 z 19
Tytuł:
Protocol for acclimatization of in vitro cultured Potamogeton praelongus - aspect of plantlet size and type of substrate
Autorzy:
Prausova, R.
Kozelkova, Z.
Safarova, L.
Powiązania:
https://bibliotekanauki.pl/articles/57604.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
acclimatization
in vitro culture
Potamogeton praelongus
plant tissue culture
growth experiment
plantlet size
substrate type
Opis:
The aim of the experiment was to determine suitable substrate type and optimal plant size for transfer of plantlets from in vitro to ex vitro under experimental outdoor conditions. Tests focused on the effect of substrate type (muddy and sandy) and starting size of plantlets gained through in vitro seed germination (0-3, 3.1-5,5.1-6, 6.1-10 cm) on plant growth. Three parameters (fresh weight, length, and the number of leaves) were compared to evaluate growth. Basic water parameters in experimental water tanks were regularly measured (pH, temperature, electrical conductivity, shadow intensity) and controlled to reach similar conditions to those in the natural habitat of this species. Overwintering was studied in a cellar with newly defined size categories (<6, 6.1-8, 8.1-10, 10.1-12, 12.1-15 cm). Both substrate type and starting size of plantlets significantly impacted growth. Plantlets grew better in the muddy substrate while a 100% success rate of rooting was gained with a starting size of 6.1-10 cm in both substrates. The biggest increase in fresh weight was observed with a starting size of 3.1-5 cm and 5.1-6 cm in both substrates. The greatest increase in fresh weight was observed in plants with a starting size of 3.1-5 cm in the muddy substrate (more than 95% increase). The best overwintering results were gained in the 6.1-8 cm size category.
Źródło:
Acta Societatis Botanicorum Poloniae; 2015, 84, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Muzykoterapia i jej właściwości w usprawnianiu dziecka z autyzmem
Music Therapy and its Properties as a Developmental Improvement of Child with Autism
Autorzy:
Knapik-Szweda, Sara
Powiązania:
https://bibliotekanauki.pl/articles/920147.pdf
Data publikacji:
2014-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
music therapy
autism
growth through play
quasi-experiment
Opis:
The article presents the outlines of the research and the conclusions based on the author’s PhD dissertation. It touches upon the influence of music therapy techniques on the improvement of a development of autistic children, especially in terms of communication as well as their social, cognitive, emotional and behavioral development. The researcher presents and compares two undirective methods: Music therapy and Growth through Play System (GPS). Among many therapeutic applications of music, the most significant ones are chosen and analysed: improvisation, re-creation, composition and listening associated with musical relaxation. The results are presented in the form of an evaluation which therapy is the most beneficial for autistic children and their holistic development.
Źródło:
Interdyscyplinarne Konteksty Pedagogiki Specjalnej; 2014, 6; 81-97
2300-391X
Pojawia się w:
Interdyscyplinarne Konteksty Pedagogiki Specjalnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Growth and development of Polish provenances of Picea abies in the IUFRO 1972 experiment
Autorzy:
Matras, J
Powiązania:
https://bibliotekanauki.pl/articles/41653.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Norway spruce
Picea abies
provenance
plant growth
plant development
plasticity
genetic variability
international conference
Polska
reforestation
experiment
plot experiment
Opis:
The paper presents the results of research on the genetic variability in the growth characteristics and plasticity of Polish provenances of Norway spruce, tested on thirty plots established in Europe and Canada in the IUFRO 1972 provenance experiment. Special consideration was devoted to the plots in Poland, especially in Knyszyn. The variability in the growth and quality characteristics of the provenances, found at experiment level, is high (within 6.099 standard deviation units). At provenance level, it ranges between 4.674 for Kartuzy and 2.192 for Rycerka Zwardoń. This indicates that the performance of the provenances depends much on environmental conditions. Although no provenance can be considered adaptable to any conditions thatmay occur in the cultivation of spruce, the Istebna Bukowiec and Zwierzyniec Lubelski provenances, having a very high breeding value and high plasticity, may be recommended for a wider use in reforestation.
Źródło:
Dendrobiology; 2009, 61 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of municipal solid waste on the growth of maize (Zea mays L.)
Autorzy:
Simeon, P.O.
Ambah, B.
Powiązania:
https://bibliotekanauki.pl/articles/11002.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
municipal solid waste
plant growth
maize
Zea mays
pot experiment
greenhouse
growth parameter
plant height
leaf area
statistical analysis
Opis:
A pot experiment was conducted in the green house to determine the effect of municipal solid waste on the growth of maize (zea mays). Growth parameters of percentage emergence, plant height, leaf area and number of levers per plant were collect and subjected into statistical analysis, using ANOVA and fisher’s L.S.D. at 5 % probability level. Plant growth parameters decreased with increase in cropping cycle. Similarly, maize grown on dumpsite soils did better than the control soil samples. It show increase in plant height, leaf area and number of leaves per plant at a range of 16.82 cm to 12.87 cm, 5 to 4 and 64.69 cm to 59.88 cm for the dumpsite and control samples respectively. Soil PH, organic matter (OM), total Nitrogen (N), Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Sodium (Na) and Effective Cat-ion Exchange Capacity (ECEC) decreased with increase in cropping cycle respectively. The Dumpsite soil sample recorded higher mean values than the control (P < 0.05). There is every indication that municipal solid waste is beneficial to plant if only proper and careful sorting and separation of hazardous waste is done.
Źródło:
International Letters of Natural Sciences; 2013, 02
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The growth of Camellia in peanut shelles compost media in different concentrations of potassium
Wzrost kamelii w podłożu z kompostu z łupin orzechów ziemnych o różnym stężeniu potasu
Autorzy:
Torkashvand, A.M.
Kaviani, B.
Powiązania:
https://bibliotekanauki.pl/articles/11542812.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant growth
Camellia
peanut shell
compost medium
potassium concentration
pot experiment
agricultural waste
Opis:
Agricultural wastes management is a step toward sustainable agriculture. Peanut shelles as remained wastes of cultivating peanut has considerable volume which its compost can be used as available sources of ornamental plants medium. A factorial experiment based on randomized completely blocks design was conducted to investigate the impact of peanut shelles compost as the growth medium of Camellia in different concentrations of potassium. Fifteen treatments, every treatment at three replicates and 45 plots were used for experiment. The rooted cuttings of Camellia were planted and periodic watering with Hoagland solution was performed two times per week. After five months, the plants growth indices and the concentration and uptake nutrients were measured. Results showed that peanut shelles compost increased growth indices than in the control. In the most growth indices, the plant indicated a better response to 40% (w/w) compost and finally 60%. The results are indicator of providing the needed potassium for plant by peanut shelles compost than in the control.
Zarządzanie odpadami rolniczymi jest krokiem w kierunku zrównoważonego rolnictwa. Łuski orzechów ziemnych jako pozostałość po uprawie orzechów mają znaczną objętość i w formie kompostu mogą być używane jako dostępne źródła podłoża dla roślin ozdobnych. Doświadczenie czynnikowe na podstawie całkowicie rondomizowanych bloków przeprowadzono w celu zbadania wpływu kompostu z łusek orzechów ziemnych jako podłoża dla kamelii przy różnych stężeniach potasu. Doświadczenie objęło piętnaście zabiegów w trzech powtórzeniach oraz 45 poletek. Posadzone ukorzenione sadzonki kamelii podlewano dwa razy w tygodniu roztworem Hoaglanda. Po pięciu miesiącach dokonano pomiaru wskaźników wzrostu roślin, a także stężenia i poboru substancji odżywczych. Na podstawie wyników stwierdzono, że kompost z orzechów ziemnych zwiększa wskaźniki wzrostu w porównaniu z kontrolą. W odniesieniu do większości wskaźników wzrostu, rośliny wykazywały lepszą reakcję w przypadku 40% i ostatecznie 60% dodatku kompostu (% wag.). Wyniki wskazują na skuteczniejsze dostarczanie potasu potrzebnego do wzrostu roślin w przypadku kompostu z łusek orzechów ziemnych w porównaniu z kontrolą.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2014, 13, 5; 163-176
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of porous tubes for measuring water extraction by roots and simultaneous maintaining of soil water potential in growth chamber experiments
Użycie porowatych rurek do pomiarów poboru wody i jednoczesnego utrzymywania potencjału wody glebowej w doświadczeniach fitotronowych
Autorzy:
Nosalewicz, A.
Iijima, M.
Lipiec, J.
Krol, A.
Powiązania:
https://bibliotekanauki.pl/articles/36477.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
porous tube
soil water potential
root
water extraction
laboratory experiment
soil condition
plant growth
Opis:
The efficiency of a system based on porous tubes in maintaining soil water potential during water extraction by plants in growth chamber experiment was evaluated. The effect of porous tubes area, soil type and density on water flow through porous tubes as induced by various water potentials was evaluated. The rate of change of soil water potential in response to pressure change depends strongly on the area of ceramic tubes per soil volume. If rapid changes or precise control of soil water potential are needed, the area of ceramic tubes per soil volume should be large. Experiments in which porous tubes are used for maintaining water potential should reach a compromise between plant water demands and permissible disturbance caused by the presence of porous tubes in the soil environment.
W badaniach określono efektywność systemu opartego na porowatych rurkach do utrzymania stałego potencjału wody w trakcie poboru wody przez roślin w doświadczeniach fitotronowych. Analizie poddano wpływ powierzchni rurek i gęstości gleby na przepływ wody przez rurki wywołany różnicą potencjałów wody. Szybkość zmian potencjału wody w glebie w reakcji na różnicę ciśnień jest mocno uzależniony od powierzchni rurek, przez którą odbywa się przepływ wody do objętości gleby. Zaleca się użycie rurek o powierzchni możliwie dużej w doświadczeniach, w których wymagane jest precyzyjne utrzymanie lub planowane są szybkie zmiany potencjału wody glebowej. Doświadczenia fitotronowe z użyciem systemu opartego na porowatych rurkach wiążą się z kompromisem pomiędzy zapotrzebowaniem na wodę roślin i dopuszczalnym zaburzeniem struktury gleby wywołanym obecnością rurek porowatych w ośrodku glebowym.
Źródło:
Acta Agrophysica; 2011, 18, 2[193]
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Abundance and community structure of ammonia oxidizing archaea and bacteria in response to peanut growth under controlled condition in Shandong, China
Autorzy:
Huang, C.
Xu, N.
Fu, Z.
Sun, B.
You, S.
Ma, D.
Yu, J.
Powiązania:
https://bibliotekanauki.pl/articles/12689395.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
China
plant cultivation
peanut
Arachis hypogaea
plant growth
community structure
microorganism abundance
ammonia-oxidizing bacteria
ammonia-oxidizing archaea
field experiment
three-year field experiment
controlled condition
Opis:
Based on a three-year field experiment under controlled condition in Ji’nan, China, the effects of peanut growth on the variation in the abundance and community structure of ammonia oxidizing bacteria (AOB) and archaea (AOA) before and after peanut growth were investigated through quantitative PCR and cluster analysis of terminal-restriction fragment length polymorphism. Our results show that the community composition of AOA and AOB was greatly affected by the peanut growth leading to the decreased abundance of AOA and increased abundance of AOB. Furthermore, AOA and AOB community structures varied before and after peanut growth. Phylogenetic analysis indicated that all AOA and AOB community sequences were clustered into the uncultured group. Altogether, the results suggested that the abundance of AOA and AOB in soil and their community compositions can be greatly affected by the peanut growth.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 6; 119-127
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ameliorative effect of CaCl2 on growth, membrane permeability and nutrient uptake in Oryza sativa grown at high NaCl salinity
Autorzy:
Anbu, D.
Sivasankaramoorthy, S.
Powiązania:
https://bibliotekanauki.pl/articles/10791.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ameliorative effect
calcium chloride
pot experiment
plant growth
membrane permeability
nutrient uptake
Oryza sativa
sodium chloride
salinity
Opis:
A pot culture was carried out with Oryza sativa L. vari-Co-39, to investigate the effects of supplementary calcium chloride on plants grown at NaCl (50mM) concentration. Treatments were: (1) Control: nutrient solution alone (C); (2) nutrient solution plus 50mM sodium chloride (NaCl); (3) nutrient solution plus 10mM calcium chloride (CaCl2); (4) nutrient solution plus 15mM calcium chloride (CaCl2); (5) nutrient solution and 50 mM NaCl plus supplementary 10 mM CaCl2 (NaCl + CaCl2); and (6) 50 mM NaCl plus additional mixture of 15 mM CaCl2 in nutrient solution (NaCl + CaCl2). The plants grown under salt stress produced low dry weight and relative water content than those grown in standard nutrient solution and in CaCl2 alone. Supplemental calcium chloride added to nutrient solution containing salt significantly improved growth and relative water content. Membrane permeability increased with high NaCl application and these increases in root membrane permeability were decreased with supplementary Ca. The concentration of chloride (Cl) increases highly for all treatments. Sodium (Na) concentration in plant tissues increased in both shoots and roots at high NaCl treatment. Application of supplementary Ca lowered Na concentration. Concentrations of Ca. K and N were at deficient ranges in the plants grown at high NaCl levels and these deficiencies were corrected by supplementary Ca. The ameliorating effect of Ca on growth and physiological variables could reduce the negative effect of salinity of Oryza sativa L., plants.
Źródło:
International Letters of Natural Sciences; 2014, 03
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variation in growth and survival among European provenances of Pinus sylvestris in a 30-year-old experiment
Autorzy:
Barzdajn, W.
Kowalkowski, W.
Chmura, D.J.
Powiązania:
https://bibliotekanauki.pl/articles/41160.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
plant growth
survival
provenance transfer
provenance trial
forest tree
Scotch pine
Pinus sylvestris
variation
long-term experiment
productivity
Opis:
Provenance trials with forest trees provide valuable information about growth and adaptability of populations often transferred over large geographical and climatic distances. In this study we evaluated growth and survival of 19 Scots pine (Pinus sylvestris L.) populations representing most of the natural range of the species in Europe, growing in a 30-year-old provenance trial in the northeastern Poland. We used cluster analysis to investigate differentiation among those populations in growth and survival. We also used published data on needle morphology and allozyme and DNA marker variation for those same populations to compare groupings of populations based on growth and needle traits and markers. We found significant variation among tested populations in all investigated traits – the largest variation was found for stand volume which integrates information on growth and survival. Variation in growth traits was related to the latitude of population origin with populations from the latitudinal band between 49° N and 54° N showing the best performance. Populations originating from both north and south off of that region showed lower productivity, which for southern provenances resulted from their particularly low survival, reflecting the lack of adaptation to the environment of the research site. Grouping of populations based on growth traits revealed three clusters corresponding to the three latitudinal regions – northern, central and southern. Needle morphological traits were not appropriate as markers of productivity. Clustering of populations based on needle morphology, and especially based on biochemical and molecular markers, did not correspond to the grouping based on growth traits.
Źródło:
Dendrobiology; 2016, 75
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of provenance transfer on the growth and survival of Picea abies provenances
Autorzy:
Krajmerova, D
Longauer, R.
Pacalaj, M.
Gomory, D.
Powiązania:
https://bibliotekanauki.pl/articles/41447.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
international conference
Europe
forest ecosystem
plant breeding
tree
Norway spruce
Picea abies
provenance experiment
global warming
adaptation
growth
survival
Opis:
Two provenance experiments with Norway spruce in Slovakia were used to reveal trends in the behaviour of provenances after their transfer. Regressions between the average height and survival of provenances and the differences between the geographic and selected climatic characteristics of the place of origin and provenance plots were significant for most of the characteristics tested. Data from the experiment with Polish and Slovak provenances from 1972 indicated that transfer into warmer regions with a longer vegetation period results in improved height growth and survival, with the exception of survival at initial stages. The experiment from 1964 with a broader altitudinal range of provenance plots, but with unadjusted latest measurements at individual plots available, revealed the best height growth of Slovak Norway spruce provenances after their transfer to sites with the mean annual temperature approximately 1°C higher and with the vegetation period 12 days longer than at places of origin. Transfer into lower altitudes, a warmer climate and a longer vegetation period improved survival. In both experiments, transfer to areas with increased rainfall had a negative effect on growth, which is probably associated with the fact that provenances are not able to exploit additional precipitation for the growth in areas with a colder climate and a shorter vegetation period.
Źródło:
Dendrobiology; 2009, 61 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 19

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