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近年来,我国蔬菜育种学家进行白菜、萝卜耐抽苔品种的选育及国外抗抽苔品种的引进,为大白菜、大白萝卜的错季丰产提供了先决条件 产销调查表明,白菜、萝卜错季生产经济效益较高,前景看好 但菜农在品种及播期方面尚存在一定问题,导致冀中等地区5月上旬至6月上旬,冀西北坝上高寒区7
In recent years, Chinese breeders of cabbage, cabbage, radish resistant varieties of bolting and the introduction of foreign anti-bolting varieties for the cabbage, daikon mismatched season provided a prerequisite for production survey found that cabbage, radish However, there are still some problems in the cultivars and sowing dates for vegetable growers, which leads to the fact that in early May and early June in Jizhong,