The statistic result indicated that the dry weight of buds and stamens of male sterile lines in B. napus L. are much smaller than the control group while the pistils are much larger.

结果表明，干物质重量雄性不育系花蕾和雄蕊显著小于保持系，而雌蕊则明显大于保持系。大多数不育系雌雄蕊的发育曲线存在拐点，它们出现拐点的时期相同，但方向完全相反。

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