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بررسی نسل های در حال تفکیک و آزمایش مقایسه عملکرد مقدماتی گندم نان، سال زراعی ‭92-1391 ‬در استان فارس (زرقان)

نوع محتوی: طرح پژوهشی
Language: Persian
استان موضوع گزارش: البرز
شهر موضوع گزارش: کرج
Document National Code: R-1091692
Publish: 16 February 2019
دسته بندی علمی: علوم کشاورزی
View: 387
Pages: 40
Publish Year: 1393

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بررسی نسل های در حال تفکیک و آزمایش مقایسه عملکرد مقدماتی گندم نان، سال زراعی ‭92-1391 ‬در استان فارس (زرقان) abstract

‭In the hybridization method of breeding self fertilized crops, two varieties are crossed, and plants containing combined desirable features of the parents are selected from the segregating progenies. Genetic segregation will begin with the F2 generation, and heterozigosity will be reduced by one half with each succeeding self generation. In these evaluations 190 populations of F2, 533 populations of other generations (188 entry of F3, 96 entry of F4, 84 entry of F5, and 165 entry of F6), and 147 lines of preliminary yield trial were evaluted. Modified bulk method was used in selection of plants with desired combination of characters in F2-F4 generations. In F5 generation ear to row method was used. In F6 generation in which genetic purity was reached, line selection was done. Among these materials, 175 entries of F2, 113 entries of F3, 65 entries of F4 and 238 plants of F5 were selected. 63 lines of F6 with desirable genetic purity were selected as well, to be evaluated in preliminary yield trial in next crop season. Also 19 lines selected among preliminary test materials to be evaluated in advanced trials.‬

بررسی نسل های در حال تفکیک و آزمایش مقایسه عملکرد مقدماتی گندم نان، سال زراعی ‭92-1391 ‬در استان فارس (زرقان) authors