论文部分内容阅读
为探讨早熟大白菜新品种播种期和抽薹的关系,通过对10个不同的早熟大白菜品种,在自然气候条件下,不同时期种植,测定早熟大白菜在春季早播受低温影响通过春化作用,影响商品菜的低温界限,筛选出适合春季早播的大白菜品种。1 试验方法参试品种共有10个,以北京四季青风春菜籽销售中心提供的(良富)北京小条56号作为对照品种,本试验以
In order to explore the relationship between the sowing date and the bolting of the new Chinese cabbage cultivars with early maturity, 10 different precocious cabbage cultivars were planted in different periods under natural climatic conditions. The early sowing of spring cabbage was determined by the effect of vernalization , Affecting the low temperature of commercial vegetables, screening suitable for early spring cabbage varieties. A total of 10 varieties of test methods to Beijing Four Seasons Green Fengchun seed sales center (Liang Fu) Beijing Strip No. 56 as a control species, the test to