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近年来,蔬菜作物杂种一代的利用逐年增多,但存在制种费工,种子价格高的问题,尤其是十字花科类蔬菜,花器小,人工去雄与授粉的技术难度大,所得种子量少。目前在生产上,白菜雄性不育两用系已有所利用,增产效果也很明显。但在制种时,
In recent years, the utilization of the hybrid crop of vegetable crops has been increasing year by year, but there are problems of seed production costs and high seed prices. In particular, cruciferous vegetables, flower arrangements, manual removal and pollination are more difficult and the resulting seeds are less . Currently in production, cabbage male sterile dual-use has been used, the yield is also very obvious. However, in seed production,