نتایج جستجو برای: tolerance of stress
تعداد نتایج: 21236136 فیلتر نتایج به سال:
In order to study the genetic diversity of 75 Iranian rice genotypes (45 Iranian land race, 25 improved cultivars, and 5 exotic cultivars) with respect to their salinity tolerance at seedling stage and to determine tolerance indices, based on biomass, genotypic code and Na+/K+ ratio a factorial experiment in randomized complete block design with three replications was conducted under control an...
Development of a green belt with suitable plant species around the source of emission can mitigate the atmospheric contamination. Selection of such plant species are required to combat air pollution based on their tolerance level. Present study was undertaken to evaluate the tolerance level of higher plants in East of Esfahan city, Iran, during 2011 in terms of assessing Air Pollution Tolerance...
Introduction: Parents (especially mothers) undergo severe stress and experience psychological distress after the diagnosis of their child's cancer. there are individual differences among mothers in distress tolerance. The main purpose of this study was to determine the role of the mother’s distress tolerance on the internalization and externalization problems in children with cancer. Methods: T...
BACKGROUND: The effect of heat stress on physiologicalparameters has been well documented. However, there arereports of a genetic based heat tolerance in some sheep breeds.OBJECTIVES: The aim of the present study was to monitor thephysiological responses of an Iranian fat-tailed breed againstheat stress and an acute stress insult. METHODS:Atotal numberof 15 fall-born ram lambs were selected and...
The objective of our study is to implicate the mechanisms tolerance abiotic stress by synthesis metabolites in biotic stress. extracted metabolites; proline, sugars and polyphenols from durum wheat seedlings subjected heat shock (40 °C), used test antifungal activity on two fungal strains, powdery mildew penicillium, under controlled conditions. boussellam variety more tolerant applied than Cic...
salinity and drought are two major abiotic stresses that affect rice (oryza sativa l.) production in worldwide. salt and drought tolerance and high seedling vigor of rice is one of the important traits in the establishment of seedling in direct planting system and saline and drought environments. in this research, the mapping population of f2:4 families derived from the cross between local vari...
In order to recognize the soybean tolerant genotypes, a greenhouse as factorial experiment was conducted in form of randomized complete block design with three repetition in 2017 in Damavand. The first factor contained 15 soybean genotypes and second factor included two levels of normal irrigation and irrigation disruption in time of podding. The traits included plant height, reproductive ...
Drought stress can play an important role in limiting crop productivity and disturbing different stages of plant growth especially at seed germination in arid and semiarid regions. Breeding for drought tolerance at germination stage can enhance the number of seedlings, resulting in a higher yield of grain in rapeseed. In this research 32 cultivars of rapeseed were evaluated for drought toleranc...
in order to study the response of different chickpea genotypes to drought stress and determination of drought resistant genotypes, this experiment was conducted with 18 kabouli type chickpea genotypes including of susceptible check (ilc 3279) and local check (jam). the experiment was performed in a rbc design with three replications under rained and irrigated conditions during 2001-2 cropping s...
Several studies have shown that stress has major effects on metabolism. There is also some evidence indicating that stress may induce diabetes mellitus. The present study has investigated the role of chronic psychological stress on carbohydrate metabolism in male Wistar rats (250 ± 50 g). Animals were divided into control and test groups (n = 8/group). Blood samples were obtained by tail snippi...
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