Genetical Variation of Main Agronomic Characters ofSoybean in Different Planting Seasons

doi:10.3321/j.issn:1000-7091.1998.02.010

Abstract

Abstract: Fourteen early maturing soybean varieties were used to study the differential of the main agronomic characters of soybean in spring and summer at Fenyang,Shanxi province.The results showed that under the spring planting conditions most characters were higher and the PCV of various characters was greater.Under spring planting conditions,the correlations between yield and number of seeds per plant,number of pods per plant,100 seeds Wt,number of branches,number of nodes per main stem were more or most significant.Under summer planting conditions,the correlations between yield and number of seeds per plant,number of pods per plant,number of branches were more or most significant.This paper analysed the reasons of genetic variation and the character seletion under spring and summer planting coditions,which provided the basis for early maturing soybean breeding under different conditions.

Key words: Soybean, Agronomic characters, Difference variance, Planting seaon

CLC Number:

S565.1

Zhang Xiaohu, Gao Xiong. Genetical Variation of Main Agronomic Characters ofSoybean in Different Planting Seasons[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1998, 13(2): 53-56. doi: 10.3321/j.issn:1000-7091.1998.02.010.

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