low efficiency of callus induction and green-plant regeneration have limited the application of anther culture in breeding programs. this study was conducted to determine the inheritance of callus induction and plant regeneration in rice (oryza sativa) anther culture. ten genotypes drived from a five-parent diallel mating set contain khazar, sepidrood, hashemi, alikazemi and nematt were evaluat...

The author analyzes the materials of hydrological and archaeological research examines historical processes that took place in Volga River delta Middle Ages. Modern data on hydrology Caspian Sea, changes its water level, area mirror land are presented. A detailed schedule level Sea time interval 7th– 15th centuries is given, which allows us to identify favorable periods for human economic activ...

Alans are one of the ethnic components Saltovo-Mayatsk archaeological culture. Antiquities associated with this group found in Middle Don basin. The article studies cultural characteristics Alanian groups that left behind burial sites region, on example pottery. object study shapes clay vessels. was carried out according to methodology developed within framework historical-and-cultural approach...

grain discoloration caused by fungi agents, in crop season that the mature grain stage coincides with rain, it causes many damages. in this research effect of paddy discoloration of three varieties (hashemi, gohar and khazar) and disease index in two levels (high and low disease index levels) on grain apparent quality, milling properties and grain bending strength was investigated in a factoria...

to evaluate the effect of growth promoting bacteria on morphophysiologic traits and nutrient uptakes of two rice cultivars, an experiment was carried out in 2009-2010 cropping season in rice researches institute of rasht. the experiment design consisted of four randomized complete blocks in a factorial arrangement having 16 treatments in 4 replications. in this research, two factors were evalua...

in this research for study the effects of nitrogen fertilizer on yield and yield components of current rice cultivars was an experiment as factorial in rcbd with three replications where conducted during 2009 year in two locations (rice research institute, rasht, and rudsar, east of guilan). factors were cultivars (khazar, ali kazemi and hashemi), and nitrogen fertilizer levels (0, 30, 60, and ...