大豆数量性状相关遗传力的分析

The Analusis on Correlation of Hereditary Capacity of Quantitative Character in Soybean

以14个大豆品种为试材,对7个数量性状进行相关遗传力和通径分析。结果表明,对单株粒重进行直接选择效果较好;株高和百粒重与单株粒重的相关遗传力虽然较小,但对单株粒重的直接作用最大,主要是单株英数和单株粒数间接作用的影响。

According to 14 test matevials of Soybean varieties, the correlation of hereditary capacity and the path analysis were applied to 7 quantitative characters of soybean. The results showed that it was a better effect of seed weight from direct selection of single plant ; there was a little correlution of hereditasy capacity between plant height, 100 seed weight and single plant seed weight.It also showed that the plant height and 100seed weight played an important role for single plant seed weight direetly, and made the indirect effect between single plant pod number and single plant seed nrmber.