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本文探讨了春甘蓝未熟抽苔的形成与气温、施肥、品种、定植期、越冬苗大小的关系。试验、调查结果表明,春甘蓝品种不同,越冬苗大小不同,未熟抽苔的程度也不同。京丰1号品种的抽苔高于泰协1号、牛心品种;越冬苗大抽苔率高于苗小的;播种、定植愈早的,抽苔愈高;冬暖春寒的,抽苔率高。采取选用冬性强的品种,掌握适宜的播种期,推迟定植期,假植,控制前期追肥等栽培技术措施,可有效地防止春甘蓝未熟抬苔的发生。
The paper discussed the relationship between the formation of immature bolting in spring cabbage and the temperature, fertilization, variety, planting period and the size of overwintering seedlings. Tests, the survey results show that different varieties of spring cabbage, winter seedlings of different sizes, degree of immature bolting are also different. Jingfeng 1 bolting is higher than that of the Thai Association No. 1, beef heart varieties; winter moss large bolting rate is higher than the seedling; sowing, colonization earlier, the higher bolting; winter warm spring, bolting High rate. The selection of winter strong varieties, to grasp the appropriate sowing period, postponed planting period, fake plants, control of top dressing and other cultivation techniques and measures can effectively prevent the occurrence of spring cabbage unripe moss.