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Estimation of some genetic parameters , correlations and path coefficient analysis for F2 generation in faba bean (Vicia faba L.). | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 10, Issue 1, 2010, Pages 50-61 | ||
| Abstract | ||
| The experiment has carried out in the Field of the college of Agriculture and Forestry Mosul University during season of 2008 , using Randomized Complete Block Design ( R.C.B.D. ) with three replications, aimed to evaluate performance of F2 hybrids and their parents to identify promising hybrids and estimate genotypic and phenotypic variation , heritability , genetic advance , genotypic and phenotypic correlation and path coefficient analysis in studied characters which are the yield and its components within the method of a complete Full- Diallel crosses of four varieties of faba bean which they are :- French , Syrian, Tuweithe and Babylon. Parents and F2 were significantly different for all studied characters. There was a high genetic variation for 100 seed weight , green pods yield , biological yield and seed yield. Broad sense heritability was higher for : plant height , leaf area index , no. of days to flowering , pod setting , no. of pods per plant , 100 seed weight ,biological yield and seed yield which is due to the high variability among these characters. The phenotypic and genotypic correlation was positively significant between biological yield and seed yield (0.822 and 0.989) respectively , the genotypic correlation was higher than phenotypic correlation for most studied characters , which assures that the gene action plays the main role in these characters and enables the vegetables growers to depending on it in selecting the hereditary structure of high production from the faba bean. The genetic path coefficient analysis showed that the no. of branches per plant had a higher direct and indirect effects through the other characters in the seed yield and pod length can be arranged in the second level. This characters can be used in the programmer of plant breeding. | ||
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