بررسی خاصیت پنجه‌زنی و رشد مداوم لاین‌های اولیه وترکیبی اولیه تریتی‌پایرم با استفاده از روش‌های آماری در کرمان

Tritipyrum is made recently from the cross between durum wheat varieties & wild grass species of coastal salt named thinopyrumbessarabicum and is considered as a new cereal. In order to study the tillering and continuous growth of the tritipyrum synthetic amphiploid, 13 different genotypes including 6 primary line and 7 combined primary tritipyrum lines, was conducted in 2008-2009 in completely randomized block design, at ShahidBahonar university of Kerman. With biological complete removal, traits of tiller number, plant height, node numbe, leaf number, stem length, flag leaf length and width, main leaf length and width, internode distance, awn length, spike length, spike number and spikelet number per spike, were measured on plants with the second growth. Based on the results of variance analysis, between tritipyrum lines for all traits except node number, leaf number, stem length, spike number and spikelet number per spike, main leaf length and width traits, high significant differences were observed which showed genetic variation between the tritipyrum lines. The highest and the lowest means of tiller number were belonging to primary tritipyrum lines Cr/b and La/b, respectively. Also the highest of spike number was belong to combined primary line (Ka/b)(Cr/b)-5, that can be recommended for the more yield and the lowest was belong to St/b primary line. Flag leaf width trait had the highest positive significant correlation with spike number in lines tritipyrum (r=0.789**). Cluster analysis based on the studied traits, classified primary and combined primary tritipyrum lines into two distinct groups.