determinatin of the most effective traits on yield in mung bean (vigna radiata l. wilczek) by multivariate analysis in stress and non-stress conditions
نویسندگان
چکیده
in order to study the correlation between morphophenological and quantitative traits with yield and to determine the most important traits for yield, 600 ecotypes of mung bean were evaluated in normal and limited irrigation conditions through augmented design. computation of correlation coefficients showed that in two conditions, number of pods per plant, harvest index and biological yield had the most positive and significant correlation coefficient with economical yield. the stepwise regression analysis showed that in non-stress condition number of pods per plant, harvest index, pod length, plant height, 100- weight seed and in stress condition, number of pods per plant, harvest index, pod length, 100 seed weight, number of nods per stem, days to 90% maturity, were more important traits. path analysis showed that in stress and in non- stress conditions number of pods per plant and harvest index had the most effect on yield. also factor analysis showed that in stress and in non- stress conditions, four factors illustrated the most of variation that factor 2 was more important than other factors. this factor contains number of pods per plant, harvest index and economical yield traits.
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پژوهش های حبوبات ایرانجلد ۲، شماره ۱، صفحات ۰-۰
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