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大白菜花期喷ＮａＣｌ溶液，结合蜜蜂授粉克服自交不亲和性的试验结果表明，喷３％ＮａＣｌ溶液效果最佳；于上午９：３０喷结籽最多；每天早晨喷３％ＮａＣｌ后在不同时间进行人工授粉均可结籽；ＮａＣｌ处理株的花粉授粉效果好于未处理株，用于授粉的蜜蜂在使用前需隔离４天，以使身上的花粉失活。ＮａＣｌ处理后的柱头乳突细胞胼胝质含量的变化与亲和性变化有相同趋势。
The results showed that sprayed 3% NaCl solution had the best effect, sprayed the seeds up to 9:30 am, sprayed 3% NaCl in the morning, Time for artificial pollination can seed; NaCl treatment pollen pollination effect is better than the untreated strain for pollination bees need to be isolated for 4 days before use to pollute the body pollen. The changes of callose content in stigma mast cells after NaCl treatment showed the same tendency as the changes of affinity.