in countries such as iran which will be faced water deficit as the main challenge in the future and the food production is going to be dependent to water recourses, wheat water-deficit tolerant and adapted genotypes release is one of the most important strategies under such a condition. in order to study the adaptation and terminal water deficit stress tolerance, fifteen bread wheat lines and c...

in order to evaluation of the process of genetic improvement rate and duration of grain filling among wheat cultivars, the field experiments were conducted at the agricultural and natural resource research center of golestan province in the growing seasons of 2007-2008 and 2008-2009. the 16 cultivars were sown in a randomized complete blocks design with three replications. the results showed th...

in order to study the characters affecting grain yield of lentil, a randomized complete block design with three replications conducted at dryland research station of northern khorasan (shirvan) in year 2002-2003. during the growth season and after harvesting, number of days to emergence, days to 50 percent flowering, days to maturity, number of primary and secondary branches, small and big diam...

the aim of this study was to investigate the genotype effect on nitrogen remobilization and its relationship with yield and grain protein concentration in genotypes of wheat during grain filling. twelve wheat cultivars different in origin and varying with grain yield and grain protein percentage were selected. a randomized complete block design was used. plants were harvested at anthesis and ma...

drought stress is considered as one of the main important factors reducing field crop yield, thus leading researchers to study the related physiological characteristics may reduce drought effects. this experiment was conducted in research farm of seed and plant improvement institute (spii) in karadj, arak and jolgeh rokh for three cropping seasons (2008-2011) to evaluate drought tolerance of br...

to assess moisture stress tolerance at the reproductive growth stage in 11 promising genotypes of spring rapeseed (brassica napus l.), two field experiments were conducted in two growing seasons (2008-2010) at the agricultural research center of safiabad, dezful, iran. genotypes were sown under two non-stress (well-irrigated) and moisture stress (irrigation ceased at flowering) conditions using...