甘蓝,俗称大头菜,是大连地区的主要蔬菜品种。但是,在春季甘蓝栽培中,常常出现早期抽苔现象,严重地影响了产品质量与产量。防止抽苔方法是。 1.选择抽薹率低的早熟品种:根据友谊乡光明科技队的试验,“金早生”和“报春”品种基本无抽薹现象,而“上海牛心”品种抽薹率高达18.5％。 Cabbage, commonly known as kohlrabi, is the main vegetable variety in Dalian. However, in the spring cabbage cultivation, early bolting often occurs, which seriously affects product quality and yield. To prevent bolting method is. 1. Selection of precocious varieties with low bolting rate: According to the experiment of Youyi Township Bright Science and Technology Team, there were almost no bolting in “Jinzao Sheng” and “Xianchun” varieties, while the bolting rate of “Shanghai Niuxin” variety was as high as 18.5%.