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Tytuł:
GrxS17, a multidomain glutaredoxin acting in meristems
Autorzy:
Riondet, C.
Bashandy, T.
Rey, P.
Gaymard, F.
Vignols, F.
Rouhier, N.
Reichheld, J.
Powiązania:
https://bibliotekanauki.pl/articles/80948.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
glutaredoxin
protein
light condition
growth condition
root meristem
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:
The endogenous phenolic compounds during bulb formation in Lachenalia sp. in vitro cultures under different lighting conditions
Autorzy:
Bach, A.
Kopczynska, A.
Dziurka, K.
Dziurka, M.
Powiązania:
https://bibliotekanauki.pl/articles/951275.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
Lachenalia
phenolic compound
bulb formation
in vitro culture
light condition
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The chemical composition of lemon balm and basil plants grown under different light conditions
Skład chemiczny roślin melisy i bazylii uprawianych w zróżnicowanych warunkach świetlnych
Autorzy:
Frąszczak, B.
Gąsecka, M.
Golcz, A.
Zawirska-Wojtasiak, R.
Powiązania:
https://bibliotekanauki.pl/articles/11542998.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
chemical composition
lemon balm
basil
Ocimum basilicum
Melissa officinalis
plant cultivation
light condition
Opis:
The aim of this study was to compare chemical composition of lemon balm and basil herbage grown in containers under fluorescent lamps (FL) and LED modules (LEDs). There were significant differences in the response of the species for the applied source of light. The content of essential oils was greater in basil herbage under fluorescent lamps, whereas the content of essential oils in lemon balm herbage was greater under LED lamps. The basil and lemon balm plants were characterised by high content of fructose and glucose and by very low content of sucrose. There were no significant differences in the nitrates content in basil and lemon balm herbage grown under either source of light. Both the basil and lemon balm herbage were found to have higher content of macroand micronutrients when they were grown under LEDs compared with fluorescent lamps. It can be concluded that the chemical composition of lemon balm and basil herbage was very varied and dependent on both the light and the species.
Światło jest jednym z czynników uprawy roślin mających wpływ na ich skład fitochemiczny. Jednak reakcja roślin na światło jest bardzo różna. Celem pracy było porównanie składu chemicznego ziela melisy i bazylii uprawianych w pojemnikach w zróżnicowanych warunkach świetlnych. Jako źródeł światła użyto lamp fluorescencyjnych (FL) oraz modułów diodowych. Stwierdzono istotne różnice w reakcji obu gatunków w zależności od zastosowanego światła. Zawartość olejków eterycznych w zielu bazylii była większa w uprawie przy lampach fluorescencyjnych, z kolei w zielu melisy była większa w uprawie pod modułami LED. Ziele bazylii i melisy charakteryzowało się dużą zawartością fruktozy i glukozy oraz bardzo małą zawartością sacharozy. Nie stwierdzono istotnych różnic w zawartości azotanów w bazylii i melisie dla obu źródeł światła. Zarówno bazylia, jak i melisa charakteryzowały się większą zawartość makro- i mikroelementów w uprawie pod diodami. Zawartość badanych substancji w zielu melisy i bazylii zależała zarówno od zastosowanego źródła światła jak i od gatunku.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2015, 14, 4; 93-104
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of four methods for estimating relative solar radiation in managed and old-growth silver fir-beech forest
Autorzy:
Rozenbergar, D.
Kolar, U.
Cater, M.
Diaci, J.
Powiązania:
https://bibliotekanauki.pl/articles/41259.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
solar radiation
old-growth silver fir forest
beech forest
forest
light condition
forestry
hemispheric photography
Opis:
Methods based on the principle of hemispherical canopy projection, including hemispherical photography (digital andfilm), sensors like LAI 2000 (zenith cutoff anle 74,1°) andstable horizontoscope, represent less accurate, yet significantly less expensive andtime-consuming techniques for radiation measurements comparedto long-term measurement with a network of photosynthetically active radiation (PAR) sensors. With measurements taken at a single point in time they can provide reliable estimates of relative diffuse andd irect solar radiation andcan also be usedto estimate the light climate in different times of the year. The four above mentioned methods for solar radiation estimation were applied at the same points in gaps and under adjacent canopies in unevenaged, mixed Dinaric fir-beech and pure beech montane forests. Locations covereda range of radiation andstandstructure conditions. Data analyses showedgoodreliability of all four methods over the whole range (2–80%) of radiation conditions. The most comparable results come from LAI 2000 andfilm hemispherical photography (all R > 0.90). Digital hemispherical photography is an accurate andreliable (R = 0.89) replacement for film hemispherical photography, but the higher values estimatedfor direct radiation should be taken into account. Compared to the other three methods, the stable horizontoscope gives less accurate results, especially under canopies with poorly defined gaps. Our study showed that all four methods tested are suitable for estimating the solar radiation climate in gaps and stands with heterogeneous vertical structures, andhave potential value as a tool in decision making when practicing silviculture.
Źródło:
Dendrobiology; 2011, 65
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of selected physical parameters of air in autumn in stables of Nowielice Stud Farm
Ocena wybranych parametrów fizycznych powietrza w okresie jesiennym w stajniach Stadniny Koni Nowielice
Autorzy:
Prokulewicz, A.
Tomza-Marciniak, A.
Powiązania:
https://bibliotekanauki.pl/articles/45120.pdf
Data publikacji:
2013
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
horse
stable
air parameter
physical parameter
autumn
Nowielice Stud Farm
microclimate
temperature
humidity
light condition
Opis:
The aim of this study was to evaluate the temperature and humidity of air and light conditions in autumn in SK Nowielice stables. This study did not reveal any aberrancies from proper zoohygienic standards and thus did not decrease in horse welfare in autumn.
Celem badań była ocena temperatury i wilgotności względnej powietrza oraz oświetlenia w okresie jesiennym w stajniach SK Nowielice. Przeprowadzone badania w stajniach SK Nowielice nie wykazały odchyleń analizowanych parametrów od norm zoohigienicznych i nie powodowały obniżenia dobrostanu koni w okresie jesiennym.
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2013, 12, 4
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of light and gravity on growth directions in a root system of Cucumis sativus L.
Autorzy:
Otreba, P
Powiązania:
https://bibliotekanauki.pl/articles/57921.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
plant architecture
growth response
growth
root system
phototropism
growing
lateral root
gravity
gravitropism
seedling
light
environmental factor
Cucumis sativus
light condition
behaviour
Opis:
While each individual root responds to such environmental factors as light or gravity the question arises how these reactions subordinate to the whole root system, which is supposed to maintain its primary functions. Data presented here confirm that in cucumber the gravity and light modulate the growth direction of the lateral roots subunits of the system. Another important factor affecting behavior of lateral roots is an orientation of the main root. These facts all together suggest that the root system functions as an integrated entity, capable of adapting its architecture to changing environmental conditions. Its flexibility, based on unknown signaling network, guarantees optimal functioning of the system.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 1; 7-12
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Responses in young Quercus petraea: coppices and standards under favourable and drought conditions
Autorzy:
Stojanovic, M.
Cater, M.
Pokorny, R.
Powiązania:
https://bibliotekanauki.pl/articles/41121.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
plant response
young plant
Quercus petraea
sessile oak
durmast oak zob.sessile oak
coppice
standard
favourable condition
drought condition
drought response
light condition
Opis:
Assimilation and photosynthetic efficiency (maximal quantum yield) of young oaks were compared in coppice and standard sessile oak stands of comparable age (100 years) under different light intensity categories: under minimum light – ISF < 20%, low light – 20%30% during favourable and drought conditions. Measurements of maximal assimilation rates were performed at a constant temperature of the measurement block (20°C), a CO2 concentration of 400 μmol/l, flow 500 μmol/s and different light intensities: 0, 50, 250, 600, 1200 and 1800 μmol/m2s during three consecutive growing seasons (2012, 2013 and 2014). In every category at least 8 young naturally regenerated seedlings and sprouts of different coppice stools were measured. The quantum yield in optimal conditions in standards was highest in the category of closed canopy, while in coppices in medium light category. During severe drought in 2013 the drop in efficiency of standards was evident in all categories, while in coppices no differences in efficiency were observed between favourable 2012 and 2013 with expressed drought stress, proving the advantage of young coppices over standards in this particular light category. However, the beneficial effects of restoration coppicing are not guaranteed. It is our belief that in time such advantage might decrease; it would be therefore interesting to compare responses in time and define, when response abilities of both studied systems become equal.
Źródło:
Dendrobiology; 2016, 76
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acclimatization of European beech (Fagus sylvatica L.) leaves first year after planting into different light conditions of young spruce stand
Autorzy:
Spulak, O.
Powiązania:
https://bibliotekanauki.pl/articles/38467.pdf
Data publikacji:
2011
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
acclimatization
European beech
Fagus sylvatica
leaf
first year
planting
light condition
young tree
spruce stand
chlorophyll a fluorescence
chemical analysis
Opis:
The study presents the results of investigation on reaction of beech (Fagus sylvatica L.) leaves observed next year after planting seedlings in different positions in a young spruce stand located in upper mountain conditions. The methods of chemical analyses and assessments of chlorophyll fluorescence were applied with the aim to evaluate a course of leaf adaptation. In the young spruce stand located in the Karkonoše Mts, bare root beech seedlings after cultivation in full light were planted into three main positions to spruce trees (under the crown, within crown perimeter and in stand gaps). Next year after planting, the total biomass, leaf nutrient content and chlorophyll fluorescence parameters were evaluated. The beech trees planted under spruce (Picea sp.) crowns had significantly lower specific leaf mass and the mean leaf area was decreasing from shade to sun. Differences in nutrient contents were not significant between the treatments. We found significantly higher values of minimal (F0) and the maximum fluorescence (Fm) as well as of the maximum quantum yield of PSII photochemistry (Fv/Fm) in the leaves of beeches growing under the spruce crown. Significant differences among treatments were found also in the courses of the values of maximum fluorescence yield Y(II) and nonphotochemical quenching (NPQ). Our study indicated that bud forming processes are only partially responsible for physiological properties of beech leaves evaluated next year after planting. Photosynthetic performance is also influenced by actual growing conditions. A great part of acclimation occurs already in the first year after planting (change of the light conditions). We speculate that this phase of gradual acclimation of the assimilation apparatus can be one of the reasons of physiological weakening of the plant after planting to different light environment.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2011, 53, 2
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of cutting off distal ends of Quercus robur acorns on seedling growth and their infection by the fungus Erysiphe alphitoides in different light conditions
Autorzy:
Giertych, M.J.
Suszka, J.
Powiązania:
https://bibliotekanauki.pl/articles/41420.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
oak
pedunculate oak
container nursery
oak powdery mildew
Quercus robur
seedling growth
plant infection
fungi
Erysiphe alphitoides
light condition
phenology
Opis:
Quercus robur seedlings are very often infested by oak powdery mildew caused by Erysiphe alphitoides. This disease attacks primary leaves with high insolation. In our experiment seedling growth in different light conditions was observed. Seedlings were derived from intact seeds or from seeds where the distal ends of acorns were cut off. Acorns were sown in pots at four light conditions (2%, 8% and 30% light transmittance and in full sunlight). For half of the seedlings we reduced the influence of powdery mildew by using a fungicide. Height of seedlings, shoot dry mass and the degree of damage caused by Erysiphe alphitoides were measured. The highest damages were in full light conditions and the lowest in the 30% light treatment. The influence of acorn reduction on powdery mildew infection was not significant (p=0.0763), however, in the full light conditions the seedlings from cut acorns were ca. 30% less damaged. The cutting of acorns also alters the height of seedlings and shoot mass. The tallest seedlings were from cut seeds growing in the 30% light treatment. The influence of the fungicide was lowest in the 30% light treatment where the decrease in damage was only ca. 10%. For nursery practice we can say that oak seedling production from cut off acorns under 30% light transmittance should give the best results of seedling growth even without the fungicide application.
Źródło:
Dendrobiology; 2010, 64
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The GUN4 protein plays a regulatory role in tetrapyrrole biosynthesis pathway and is required for chloroplast-to-nucleus signalling in unicellular green algae Chlamydomonas reinhardtii
Autorzy:
Brzezowski, P.
Grimm, B.
Powiązania:
https://bibliotekanauki.pl/articles/81179.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
aerobic organism
GUN4 protein
tetrapyrrole biosynthesis
chloroplast
unicellular green alga
Chlamydomonas reinhardtii
5-aminolevulinic acid
gene expression
chlorophyll level
light condition
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
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