نتایج جستجو برای: Nitrate reductase activity
تعداد نتایج: 1188618 فیلتر نتایج به سال:
An outdoor pot experiment was carried out in sand+ coco-peat culture (80:20 ratio) to investigate the response of nitrate reductase activity and nitrate accumulation in roots and leaves of fifteen Iranian landraces of spinach (Spinacia oleracea) at different stages of plant development. Plants were tested during a three periods from 22, 30 and 38 days after emergence of first true leaves and be...
In the present study, response of Pistachio (Pistacia vera L.) on nitrate reductase activity, some biochemical characters and ions accumulation to salinity were evaluated. Salinity treatments (0, 75, 150 mM NaCl) and potassium nitrate (0, 10, 15 mM) were imposed and sampling were done 100 days after treatments. Results indicated that sodium chloride at 75 mM plus 10 mM potassium nitrate resulte...
Cucurbita pepo L. plants were grown in plastic pots with 2 kg washed sand per pot at three levels of potassium and sodium nitrate supplies to investigate the effects of nitrate supply on nitrate reductase activity and nitrate reductase expression in the leaves of the plants. Results demonstrated that starvation leads to decrease nitrate reductase activity and nitrate reductase expression. Suppl...
background nafld/nash is a manifestation of metabolic syndrome and is associated with obesity/overweight. not all obese/overweight individuals develop nash. gastro-esophageal reflux disease (gerd) is considered a gastrointestinal manifestation of the metabolic syndrome and is associated with obesity/overweight. again not all obese/overweight individuals develop gerd. recent data show associatio...
Leafy vegetables play a crucial role in human dietary. Excessive application of nitrogen fertilizer leads to accumulation of high levels of nitrate in the tissues and causes further consequence. In order to evaluate the impact of zinc and harvest times on the reduction of nitrate accumulation and nitrate reductase activity, an experiment was conducted as completely randomized design with factor...
The effect of different sources of nitrate salts (ammonium nitrate, sodium nitrate and potassium nitrate) on nitrate reductase (NR) activity and nitrate reductase expression in the leaves of Foeniculum vulgare seedlings grown in pots containing perlite. Two week old seedlings were treated with 30, 60 and 120 mM aqueous solution of ammonium nitrate, sodium nitrate or potassium nitrate. After 21 ...
Nitrate is one of the major sources of nitrogen for the growth of plants. It is taken up by plant roots and transported to the leaves where it is reduced to nitrite in the. The main objective of this research was to investigate stimulatory effects of sodium nitrate, potassium nitrate, ammonia and urea on the production/generation of the nitrate reductase mRNA in Triticum aestivum plants. The pl...
The effect of tungsten on the development of endogenous and nitrate-induced NADH- and FMNH(2)-linked nitrate reductase activities in primary leaves of 10-day-old soybean (Glycine max [L.] Merr.) seedlings was studied. The seedlings were grown with or without exogenous nitrate. High levels of endogenous nitrate reductase activities developed in leaves of seedlings grown without nitrate. However,...
Leafy vegetables are considered as the main sources of nitrate in the human diet. In order to investigate the effect of nitrate levels and harvest times on nitrate accumulation, nitrate reductase activity, concentrations of Fe, Zn, Cu and K in Lettuce and Spinach and their relation to nitrate accumulation in these leafy vegetables, two harvest times (29 and 46 days after transplanting), two veg...
Nitrate reductase activity and protein percentage of various tree parts of two Populus clones were determined in relation to nitrate ion activity. Nitrogen was supplied as NH(4)NO(3) in a nutriculture system. Wisconsin-5 had significantly greater nitrate reductase activity than Tristis No. 1. Protein percentages of leaf plastochron index 10 leaves (tenth leaf below first leaf lamina exceeding 2...
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