第二，改变普遍采用的粗线期染色体制备的传统方法，尝试用酶解滴片法制备了水稻减数分裂染色体，获得了成功。

Second, it is successful to try applying the dripping method of suspended cells obtained by enzyme treatment instead of traditional method for pachytene chromosomes preparation.

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减数分裂过程中染色体行为异常的花粉母细胞约占10.28%；雄配子体发育过程中异常频率约为3.2%，败育主要发生在单核期。

In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.

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