نتایج جستجو برای: rwc and seed yield in salinity condition
تعداد نتایج: 21774309 فیلتر نتایج به سال:
Salinity is the most important environmental stress that reduces plants growth and yield. It has been shown that salicylic acid, as an endogenous signal, is responsible for inducing stress tolerance in plants. In this experiment, the effect of salicylic acid and sodium chloride on growth of bean (Phaseolus vulgaris) was studied. When bean plants were at two-leaf stage, they were sprayed by thre...
Water deficiency stress as the most important abiotic stress plays an important role in the yield suppression of plants worldwide. Considering physiological indices to improve drought resistance is of paramount importance. The objective of present study was to evaluate the effects of different irrigation intervals (irrigation after 5, 7, 9 and 11 days) and rates of superabsorbent polymer (Nil, ...
introduction salinity is an important abiotic stress that reduces the crop production potential and the efficiency of plants in arid and semi-arid regions. soil salinity can be increased by irrigation, inappropriate drainage, sea advancement to coastal regions and the accumulation of salts in desert and semi-desert regions. salinity is a limiting factor for plant growth because it limits the fe...
Abstract: Effect of different salinity levels (0, 50, 100, 150 and 200 mM NaCl) on photosynthetic characteristics and yield of two forage millet cultivars (Nutrifeed and Bastan) were investigated at this experiment. A factorial test based on randomized complete block design was conducted during 2010-2011 growing season in three replica-tions. The results showed that with increasing sal...
Salinity is the main environmental factor accountable for decreasing crop productivity worldwide. The effects of NaCl salinity on plant growth (leaf relative water content (RWC), leaf dry weight (LDW), shoot length (SL), number leaves (NL), branches (NB) and total area (TLA) physiological characteristics (stomatal conductance (gs), transpiration rate (TR), net photosynthetic (Pn), yield photosy...
Effects of biofertilizers and stacosorb polymer* on yield and yield components of fennel (Foeniculum vulgare Mill.) under drought stress were evaluated using a split-factorial experiment based on a randomized complete block design (RCBD) with three replications at the agricultural research farm of Lorestan University, Khorramabad, Iran in 2013. The factors included drought condition (stressed a...
this experiment was lay out in order to evaluate the effects of different biofertilizers on seed yield, protein and oil of rapeseed in iran. the experiment was a factorial design with three replications. treatments were four nitrogen biofrtilizers (control (n1), nitroksin (n2), azotobacter (n3) and supernitroplat (n4)) and three phosphate biofrtilizers ( control(p1), biosfer phosphate (p2) and ...
this experiment was conducted to evaluate the effects of salt stress on some agro-physiological traits in ten varieties of bread (triticum aestivum l.) and durum (triticum turgidum l.) wheats in seedling stage. a greenhouse experiment was carried out as a split plot experiment based on a completely randomized design with four replications in hydroponic condition. different agronomic and physiol...
Salt stress is one of the major constraints for wheat cultivation inIranand leads to a considerable loss in crop yield each year. In high salinity soils, the reduced osmotic potential of soil solutes may cause physiological drought. In this study the salt tolerance of different drought-tolerant bread wheat genotypes were studied by examining various agronomic and physiological traits, inclu...
Increasing the yield of wheat (Triticum aestivum) requires choosing resistant and compatible cultivars to different climatic conditions. In order to study the effects of salinity and drought stress on grain yield, Study of stress tolerance indices and identification of tolerant genotypes to salt and drought stress, 20 different Wheat (Triticum aestivum) genotypes were assessed in a Randomized ...
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