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Tytuł:
Effect of row spacing and nitrogen fertilizer levels on yield and yield components of rice varieties
Autorzy:
Tilahun, Zewdineh Melkie
Powiązania:
https://bibliotekanauki.pl/articles/1076279.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Optimum spacing. Nitrogen rate
Oryza species
Varieties
Opis:
Rice (Oryza species) is a unique annual cereal food crop growing under flooded condition up to 3000 m.a.s.l and pH 4.5-8.5. Production of rice depends on several factors: climate and crop management. Varieties had significant influence on grain yield, Protein content, number of spike and 1000 grain weight. Total dry matter and crop growth rate observed due to interaction of N rate and varieties. Low tillering varieties particularly short duration ones gave low number of panicles m-2 while high tillering cultivars caused competition and more shading consequently low yield. The optimum plant spacing of rice must be identified to obtain high yield, through different utilization of below and above ground resources. Nitrogen availability involved directly or indirectly in the enlargement and division of new cells, and production of tissues which is responsible for increase in growth characteristics particularly tiller numbers, finally determining the number of panicles and spikelet’s. N fertilization of rice is affected by varieties, soil type and climatic fluctuations between years, mainly environmental temperature. The interaction effect of varieties, N rate and row spacing significantly determine 1000 grain weight, straw yield and grain yield of rice.
Źródło:
World Scientific News; 2019, 116; 180-193
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Involvement of S-nitrosoglutathione reductase in B. lactucae and O. neolycopersici pathogenesis in Lactuca spp.
Autorzy:
Ticha, T.
Kubienova, L.
Sedlarova, M.
Luhova, L.
Petrivalsky, M.
Powiązania:
https://bibliotekanauki.pl/articles/80867.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
S-nitrosoglutathione
reactive nitrogen species
nitric oxide
powdery mildew
tomato
Oidium neolycopersici
Bremia lactucae
pathogenesis
enzyme activity
protein level
plant-pathogen interaction
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:
Reactive oxygen and nitrogen species as products of polyamines catabolism in dark-induced senesence of barley leaves
Autorzy:
Sobieszczuk-Nowicka, E.
Zmienko, A.
Pietrowska-Borek, M.
Malecka, A.
Figlerowicz, M.
Legocka, J.
Powiązania:
https://bibliotekanauki.pl/articles/80006.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
hydrogen peroxide
nitrogen species
polyamine catabolism
dark-induced senescence
barley
leaf
oxidative stress
mesophyll cell
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:
Differences in chemical composition of needle and leaf litter from exotic and native tree species stands
Autorzy:
Skorupski, M.
Jagodzinski, A.M.
Zytkowiak, R.
Karolewski, P.
Powiązania:
https://bibliotekanauki.pl/articles/41087.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
chemical composition
differentiation
needle
leaf litter
exotic plant
native species
tree
plant species
stand
nitrogen
phenolics
carbohydrate
carbon
Opis:
The potential differentiations in litter chemistry among native and non-native trees are poorly understood. We compared the chemical composition of leaf litterfall of 11 exotic tree species, e.g. coniferous: Abies cephalonica, A. grandis, A. procera, Chamaecyparis pisifera, Pinus peuce, Pseudotsuga menziesii, Thuja plicata, and deciduous: Acer rubrum, A. saccharum, Betula alleghaniensis and Quercus rubra, with that of a native European conifer, Pinus sylvestris (as reference to coniferous species) anda mixture of native European Quercus robur, Carpinus betulus, Tilia cordata, T. platyphyllos and Corylus avellana leaves (as a reference mixture of deciduous species). We found significant differences among the species studied in nitrogen and carbon content in needles/leaves, C/N ratio, as well as total soluble phenolic compounds (TPh) and total nonstructural carbohydrates (TNC) content, including soluble carbohydrates and starch. However, we found no clear differentiation of exotic from native tree species in the analyzed elements and metabolites. Among the exotic coniferous tree species, P. menziesii stood out among the species studied – fallen needles of this species were characterized by relatively high TPh and TNC content. The relationships between TPh and TNC content in leaf and needle litter among tree species were similar among two consecutive years. For deciduous tree species, the tendency of higher TPh content and C/N ratio in leaves falling earlier (September; leaves of sun-type) than later (November; leaves of shade-type) was more distinct than in coniferous tree species. Generally, we cannot see any special differences in the levels or mutual quantitative relationships of the chemical compounds studied in fallen needles/leaves of exotic tree species in comparison with native tree species.
Źródło:
Dendrobiology; 2012, 68
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
NF-κB signaling pathway and free radical impact
Autorzy:
Siomek, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1039704.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
nitrogen oxygen species
NF-κB transcription factors
reactive oxygen species
Opis:
The activation of NF-κB transcription factor is critical for a wide range of processes such as immunity, inflammation, cell development, growth and survival. It is activated by a variety of stimuli including cytokines, ionizing radiation and oxidative stress. Redox modulations of NF-κB pathway have been widely demonstrated. Studies carried out during last years have advanced our knowledge about possible connections between NF-κB pathway and the impact of free radicals. This review is an endeavor to gather recent results focused on this issue, although an important question, whether oxidative stress plays a physiological role in NF-κB activation, seems to be still unanswered.
Źródło:
Acta Biochimica Polonica; 2012, 59, 3; 323-331
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes of peroxiredoxins in beech seeds (Fagus sylvatica L.) during development and maturation
Autorzy:
Ratajczak, E.
Kalemba, E.M.
Pukacka, S.
Powiązania:
https://bibliotekanauki.pl/articles/79952.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
peroxiredoxin
beech seed
Fagus sylvatica
hydrogen peroxide
reactive nitrogen species
redox signal
plant development
maturation
immunoblot
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:
Species diversity and litter dynamics in secondary mixed deciduous forest, Thung Salaeng Lung National Park, Northern, Thailand
Autorzy:
Podong, C.
Poolsiri, R.
Katzensteiner, K.
Pengthamkeerati, P.
Thongdeenok, P.
Powiązania:
https://bibliotekanauki.pl/articles/38576.pdf
Data publikacji:
2013
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
species diversity
species composition
carbon
nitrogen
litter dynamics
secondary mixed deciduous forest
shifting cultivation
Thung Salaeng Lung National Park
Thailand
Opis:
This study present species composition and potential of litter on carbon and nitrogen return in secondary mixed deciduous forest after shifting cultivation. The dominant species of trees were Haldina cordifolia, Albizia odoratissima and Lagerstroemia duperreana. The Important Value Index (IVI) values of trees were 132.91, 17.78 and 14.22, respectively. The pattern for the decomposition coefficients (k) was highest in the wet period (May–September) and lowest in the dry period (October–April). The carbon and nitrogen return patterns increased in the dry period (October– April) and decreased in the wet period (May–September). Carbon and nitrogen loss in the decomposing litter continually decreased during the decomposition process from the initial levels, with a final relatively rapid release in the wet period. Results from this study was understanding of community composition, litterfall production and litter decomposition for understanding potential of secondary mixed deciduous forest for balancing carbon for mitigating greenhouse gas effect in the local area.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2013, 55, 4
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ROS metabolism in Arabidopsis leaves under ammonium supply
Autorzy:
Podgorska, A.
Gieczewska, K.
Gardestrom, P.
Rasmusson, A.
Szal, B.
Powiązania:
https://bibliotekanauki.pl/articles/80032.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
reactive oxygen species
metabolism
Arabidopsis
leaf
ammonium
nitrogen source
stress symptom
oxidative stress
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:
Wplyw nawozenia azotem na sklad zbiorowisk grzybow wystepujacych na ziarnie jeczmienia browarnego
Autorzy:
Plaskowska, E
Matkowski, K
Moszczynska, E
Liszewski, M
Blazewicz, J
Powiązania:
https://bibliotekanauki.pl/articles/827165.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Technologów Żywności
Tematy:
jeczmien browarny
jeczmien Brenda
jeczmien Rudzik
ziarno
jakosc
ochrona roslin
nawozenie azotem
grzyby
Fusarium
sklad gatunkowy
brewery barley
Brenda cultivar
Rudzik cultivar
grain
quality
plant protection
nitrogen fertilization
fungi
species composition
Opis:
Skład gatunkowy grzybów występujących na ziarnie jęczmienia browarnego, odmiany Rudzik i Brenda był podobny, natomiast ich liczebność była różna i zależała od zastosowanej dawki nawożenia azotem. Wzrostowi nawożenia azotem towarzyszył wzrost liczebności grzybów z rodzaju Fusarium na powierzchni ziaren. Grzyby te, stanowiące około 25% ogólnej liczby izolatów nie spowodowały pogorszenia jakości ziarna, słodu i uzyskanych z nich brzeczek kongresowych.
The species composition of fungi associated with seed of brewing barley of Rudzik and Brenda cultivars was similar. However their number was different and depended on the nitrogen level applied in the fertilization. Together with the increasing of nitrogen fertilization the number of fungi Fusarium spp. increased on the surface of seed. These fungi, making about 25% of total number of isolates didn ' t effect the quality of seed, malt and obtained congress worts.
Źródło:
Żywność Nauka Technologia Jakość; 2001, 08, 4; 36-45
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of nitrogen doses on the chemical composition and proportions of nutrients in selected vegetable species
Autorzy:
Pitura, K.
Michalojc, Z.
Powiązania:
https://bibliotekanauki.pl/articles/15729.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
Lactuca sativa var.capitata
Apium graveolens var.dulce
Brassica oleracea var.acephala
nitrogen dose
chemical composition
proportion
nutrient
vegetable
plant species
Opis:
The experiments on celery, curly kale and lettuce reported in this paper were carried out in a greenhouse, with plants grown in 2 dm3 pots filled with peat substrate. The trials were established in a completely randomized design. The aim was to determine the effect of increasing nitrogen doses (0.3, 0.6, 0.9, 1.2 g N dm-3 of substrate) on N-tot., NO3-N, concentrations of P, K, Ca, Mg, Fe, Zn, Mn and Cu as well as ratios between these elements in three vegetable species such as curly kale, lettuce, and celery, distinguished by different degrees of sensitivity to salinity. An increase in the content of total nitrogen and NO3-N in lettuce, curly kale and celery appeared to be parallel to the increasing doses of nitrogen, while the average total nitrogen content was similar in all the tested species, and the content of N-NO3 in kale was about five-fold lower than in lettuce and celery. The level of nitrogen fertilization influenced the content of potassium and magnesium in lettuce as well as the content of phosphorus, potassium, calcium and magnesium in celery. The nitrogen doses significantly differentiated proportions between the nutrients in plants, mostly the K:Mg and Zn:Cu ratios. The increasing doses of nitrogen modified the content of microelements and proportions between various components in the tested plant species.
Źródło:
Journal of Elementology; 2015, 20, 3
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of increased nitrogen depositions and drought stress on the development of young Norway spruce Picea abies (L.) Karst. stands
Autorzy:
Palatova, E
Powiązania:
https://bibliotekanauki.pl/articles/41235.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
forest tree species
plant development
Norway spruce
Picea abies
young tree
drought stress
nitrogen deposition
tree stand
biomass
fine root
functionality
mycorrhiza
Opis:
The effects of drought stress, stress by increased nitrogen depositions and the combined effect of the two stress factors on the growth of Norway spruce Picea abies (L.) Karst. were studied in two stands. The drought stress was induced by reducing atmospheric precipitations by 60% and the increased nitrogen depositions were simulated by repeated applications of ammonium sulphate at a rate corresponding to 100 kg N ha–1 year–1. All stress factors under study affected the height increment of the above-ground part, the length and colour of needles, and the biomass, vertical distribution, functionality and mycorrhizal infection of fine roots. The root system responded to the simulated stresses right from the the very first year of their action, exhibiting a greater damage than the above-ground part of the plant. Drought acted as a stress factor stronger than the nitrogen depositions themselves. The strongest impact was recorded in the simultaneous influence of the stress factors.
Źródło:
Dendrobiology; 2004, 51 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nitrogen species and macroelements in aerosols over the Southern Baltic Sea
Autorzy:
Nadstazik, A.
Marks, R.
Schulz, M.
Powiązania:
https://bibliotekanauki.pl/articles/47544.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
sea salt
nitrogen species
aerosol
Hel Peninsula
Baltic Sea
macroelement
Opis:
The annual cycle of atmospheric nitrogen species and macroelements (Na+, K+, Ca2+, Mg2+ and Cl−) over the south-eastern Baltic region was investigated. A one-year record enabled the variability of nitrogen species and macroelements in the aerosol over the coastal station at Hel to be traced. The highest concentrations of sea salt components were recorded in summer, while anthropogenic nitrate concentrations were highest in winter. When the air masses were of mixed marine and continental origin, the nitric acid reacted with coarse sea salt particles to form stable, coarse sodium nitrate. This seems to be a permanent removal pathway for nitrate. Anthropogenic aerosol species like NH+4 or NO− 3 formed by gas-to-particle conversion were generally associated with fine particles (<1 μm). Coarse particles like sodium or chloride resulted from resuspension from seawater.
Źródło:
Oceanologia; 2000, 42, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Oxidants and antioxidants of erythrocytes
Autorzy:
Łapiński, R.
Siergiejuk, M.
Worowska, A.
Gacko, M.
Powiązania:
https://bibliotekanauki.pl/articles/1914015.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
erythrocytes
reactive oxygen species
reactive nitrogen species
antioxidants
Opis:
Erythrocytes contain reactive forms of oxygen (superoxide anion, hydrogen peroxide, hydroxyl radical) and reactive form of nitrogen (nitric oxide anion, S-nitrosothiols, peroxynitrite anion). Reactive oxygen species and reactive nitrogen species inactivate enzymatic (methemoglobin reductase, Cu, Zn-Superoxide dismutase, catalase, glutathione peroxidase) and non-enzymatic (glutathione, alpha-tocopherol, beta-carotene, ascorbate) antioxidants. Their quantity in erythrocytes increases in case of exposure to xenobiotics, in erythrocytes containing pathological hemoglobin, in erythrocytes with the enzymatic defects of the glycolytic or pentose cycle, in erythrocytes found in arterial and venous thrombi, and in the blood extravasated to tissues and body cavity. In such cases are observed in erythrocytes: structure modification of hemoglobin and membrane proteins, and lipids peroxidation. These processes cause changes of shape, decrease of flexibility, decrease of resistance to hemolysis, Heinz's bodies production and shorten the life span of red cells.
Źródło:
Progress in Health Sciences; 2014, 4, 1; 211-219
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular studies on plant S-nitrosoglutathione reductase
Autorzy:
Kubienova, L.
Kopecny, D.
Ticha, T.
Kopecna, M.
Briozzo, P.
Sedlarova, M.
Luhova, L.
Petrivalsky, M.
Powiązania:
https://bibliotekanauki.pl/articles/79958.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
S-nitrosoglutathione
homeostasis
reactive nitrogen species
S-nitrosylation
protein
cytosolic enzyme
molecular study
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 role of labile iron pool in cardiovascular diseases.
Autorzy:
Kruszewski, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1043284.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
ischemia
atherosclerosis
reperfusion
reactive nitrogen species
reactive oxygen species
oxidative stress
Opis:
Although multiple factors are associated with cardiovascular pathology, there is now an impressive body of evidence that free radicals and nonradical oxidants might cause a number of cardiovascular dysfunctions. Both direct damage to cellular components and/or oxidation of extracellular biomolecules, e.g. LDL, might be involved in the aetiology of cardiovascular diseases. The key molecules in this process seem to be iron and copper ions that catalyse formation of the highly reactive hydroxyl radical. Chelation of iron ions has a beneficial effect on the processes associated with the development of atherosclerosis and formation of post-ischemic lesions. These findings are indirectly supported by the increasing body of evidence that stored body iron plays a crucial role in pathogenesis of atherosclerosis and ischemia/reperfusion injury.
Źródło:
Acta Biochimica Polonica; 2004, 51, 2; 471-480
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 27

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