نتایج جستجو برای: coefficient of phenotypic correlation
تعداد نتایج: 21194820 فیلتر نتایج به سال:
F1 materials of half-diallel crosses for nine characters in lentils were studied correlation, path-coefficient, and selection index. The phenotypic component variation (σ2p) was higher than the genotypic (σ2g). highest σ2g σ2pwere obtained CAMF. Investigation showed that correlations (rg) respective (rp) most characters. SWPP a highly significant positive correlation coefficient with other exce...
A field experiment was conducted aiming to study the Assessing genetic variability, correlation, direct and indirect effects of yield contributing characters on seed in 20 Finger millet lines kharif season 2021 Randomized Block Design (RBD) at Field Experimentation Station, Department Genetics Plant Breeding. Phenotypic genotypic coefficient variation found highest ear head length (25.37& 2...
the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...
One of the main problems of multiple-trait genetic evaluation in poultry breeding is high computing costs. Principal components analysis (PCA) is a method for reducing the number of traits in correlated trait analysis. The aim of the present study was to determine the most effective principal components (PCs) of internal egg quality and some performance traits of Azarbayjan native chickens. ...
بررسی تنوع ژنتیکی ژنوتیپهای بومی پیاز ایرانی در مقایسه با انواع خارجی چکیده: برنامه های اصلاحی گیاهان بر اساس تنوع و انتخاب صفات برتر کمی و کیفی صورت می گیرد. لذا، ارزیابی تنوع ژنتیکی، اولین مرحله در برنامه های اصلاحی است. در این راستا، استفاده از روش های جدید مطالعهی تنوع ژنتیکی ضروری به نظر می رسد. در این بررسی تعیین تنوع ژنتیکی سیزده ژنوتیپ پیاز ایرانی در مقایسه با دو ژنوتیپ خارجی با است...
This research was carried out to investigate the heterogeneity of milk yield variance components in different production levels of holstein cattles. The first lactation milk yield records of 95945 Holstein cattles, which had calved in 651 herds through years 1991 to 2000, were used in this research. Data was collected by the Animal Breeding Center of Iran and adjusted for two-time milking per d...
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