1. We differentiated the sexual distinction of dioecism Vitis by observing the shape of pollen under a scanning electron microscope;
   通过扫描电镜观察花粉的形态；
2. The resulsts indicated that:there was a great difference in the pollen shape of male and female Vitis, the pattern of SOD isozyme were the same in male and female dioecism Vitis;
   结果表明：葡萄雌雄株的花粉形态存在着较大的差异；在本实验条件下葡萄雌雄株叶片SOD同工酶谱带一致；

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