The evolution tendency of soybean characteristics from wild speciesto cultivated soybean was studied.Of the three types studied,the se-miwild type was the most variable.Among different characteristics yieldcomponents showed the lower variability with the size of pod,the nu-mber of seeds per pod,and the length of growing period,while therewere big change with the number of pods per plant,the total seed nu-mber,and the weight of seed.Correlation study between different ch-aracters revealed that three types of...
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