بررسی و انتخاب در توده های دورگ و نسل های در حال تفکیک گندم نان در شرایط دیم

Making crosses among valuable genotypes of bread wheat possessed considered genetic characteristics compound desirable genes and create genetic diversity with adaptation to target environment. In this research, 79 segregating populations entries include 47 entries in F3 and 32 entries in F4 were evaluated using modified bulk at Gachsaran agricultural research stations in 2009-10. The best genotypes were selected based on early growth vigor, growth habit, plant height, earliness, synchronization of spikes, leaf, tolerance to heat and drought stresses and resistance to rusts and septoria diseases. In consideration of these traits, 28 and 12 genotypes were selected in F3 and F4 respectively. These selected genotypes will test in latter generations in next year. It will be continued to find adapted pure lines.

Keywords:

گندم نرم , ارقام , دورگه ها , دورگ گیری , انتخاب (روش های زادگیری) , تنوع ژنتیکی