نتایج جستجو برای: back cross appeared as high yield while sabalan
تعداد نتایج: 7373743 فیلتر نتایج به سال:
Bacterial blight (BB), caused by Xanthomonas oryzae pv.oryzae is one among the major diseases in rice, which in severe condition cause losses up to 60% in total yield. Marker assisted pyramiding of three broad spectrum BB resistance genes (xa5, xa13, and Xa21) in prominent rice varieties is the most economical and effective strategy for the management of the BB disease. We report here the pyram...
in this research the focus of the researcher is on the influence of american myths that have long been held and offered by the american culture and ideologies. sam shepard is conceived to be one of the greatest playwrights of the contemporary american theater. in his works he depicts broken characters who are struggling to keep up with the national expectations but are ceaselessly borne back to...
spring back is responsible for inaccuracy of press formed sheet product. therefore, prediction of spring back is important for precise forming of stampings. to predict the amount of spring back many successful attempts have been made for simple cases such as single curved and u or v shape sheet metals. however, for more complex shapes containing double curves or double variable curved surfaces ...
in order to obtain the maximum benefit, yield increasing and its stability a supplemental irrigation field experiment was conducted as split plot arranged in a randomized complete block design (rcbd) with three replications during 1999-2002 at maragheh agricultural research station of dari. the treatments included four levels of irrigation (average of three years: 0, 95, 151 and 207 mm) as main...
abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...
One of the most complicated issues in plant breeding programs is genotype by environment interaction. To evaluate seed yield stability of 18 chickpea promising lines, a field experiment was conducted using randomized complete block design with four replications in two cropping seasons (2018-19 and 2019-2020) in four research stations (Maragheh, Kurdistan West Azerbaijan and Hamedan), Iran. Comb...
بهینه سازی سازه های فضاکار بادرنظرگرفتن احتمال خرابی اعضاء و گره ها به کمک الگوریتم وراثتی اصلاح شده
Due to the probabilistic nature and uncertainties of structural parameters, reliability-based optimization will enable engineers to account for the safety of the structures and allow for its decision making applicability. Thus, reliability-based design will substitute deterministic rules of codes of practice. Space structures are of those types that have an exceedingly high range of applicabili...
the phenomenon of how tests influence teaching and learning is commonly described as “wash back”in language instruction. literature indicates that wash back effect is a complex concept that becomeseven more complicated under different interpretations of the wash back phenomenon in teaching andlearning. in the present study, some definitions of wash back and its two major types were introduced,a...
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