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在温室和大棚条件下，对３种菜豆人工杂交授粉方法的授粉效果进行了比较试验，结果表明，拉出柱头法的综合效果最好。温室环境条件下的授粉效果好于大棚
The pollination effects of artificial hybridization and pollination of three kinds of beans were compared under greenhouse and greenhouse conditions. The results showed that the stigma pull-out method had the best combination effect. Pollination under greenhouse conditions is better than in greenhouses