而中等、弱冬性品种三种色素的峰值均出现在叶色转变后的花茎伸长期，最低值出现在花茎分化期。
Moreover, the content of three pigment in the strongest winter species was significantly higher than the other two winter species from the beginning of differentiate period of stem.
经2年冬性鉴定试验表明，冬甘2号甘蓝是适合保护地栽培的春甘蓝品种，具有早熟、丰产、优质、冬性强等特性。
Winterness of Donggan No. 2 was certificated in two years. The result showed that it's fit for planting in green house with characteristic of early mature, high yield and strong winterness.
培育适宜种植、具有强冬性的耐抽苔品种，已成为亟待解决的问题。
Breed strong winter species which is appropriate to grow and bolting resistant, has become the urgent problems.
应用推荐