2) The rank of variance coefficient of M 2 generation was height of first pod,plant height,number of node,plant height initial node of branch,number of branch,100-grain weight,pod number of plant in number sequence.

• 单株粒数与茎粗、主茎节数、主茎分枝数、单株荚数呈极显著正相关,与结荚高度呈显著负相关。 (2)M2 代变异系数的顺序依次是结荚高度、株高、节数、分枝始节、分枝数、百粒重、单株荚数等。