بررسی تنوع صفات مختلف زراعی و پتانسیل عملکرد اینبرد‌‌لاین‌های گندم نان Triticum aestivum L.)) حاصل از تلاقی ارقام روشن در فلات

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In order to study genetic diversity of different wheat inbred lines and grain yield modeling as well as selection of elite lines, 305 wheat lines derived from Roshan × Falat cultivar along with their parents as well as two check (Mahdavi and Shahpasand) cultivated in research field of Sahid Bahonar university of Kerman in augment design, on growing season of 2013-2014. Result of genetic and phenotype correlation has high coincidences together that shown infer low influence of environment error to relationship between evaluated traits. According to results of correlation analysis significant correlation was seen between grain yield and most of evaluated traits. Results of ANOVA of evaluated traits showed non-significant difference between check varieties in different incomplete blocks, this showed the homogeneity of experiment field. Stepwise regression model showed%81 changes of grain yield is justified by 1000 grain weight, number of grain per single plant, number of fertile tiller, plant hight and awn length. By factor analysis for the 13 evaluated traits shown%65 of variation in grain yield is justified by four factors, cluster analysis categorized the lines into three groups, the dendrogram revealed lines the third group of lines white the second group have significant difference. Evaluation of grain yield potential and phenotypic diversity measured traits lead to selection 40 better inbreed lines in this research. Results of this research showed number of grain per single plant, number of fertile tiller, grain filling period and awn length would be recommended traits for indirect selection for improvement grain yield.

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volume 8  issue 20

pages  10- 1

publication date 2017-03

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