花椰菜又名菜花、花菜，是北方近年来迅速发展起来的一种名贵细菜。由于黑龙江省的特殊气候，菜花制种较困难，制种技术性很强，种子价值高。现将其制种技术介绍如下。１．适时播种。以黑龙江省第一积温带为例，于２月中下旬播种最为适宜。偏早，采种植株小，花球性状优劣... Cauliflower, also known as cauliflower, cauliflower, is a valuable dish developed rapidly by the north in recent years. Due to the special climate in Heilongjiang Province, cauliflower seed production is more difficult, the seed production technology is very strong and the seed value is high. Now its seed production technology is as follows. 1. Timely sowing. Taking the first accumulated temperate zone in Heilongjiang Province as an example, sowing is most suitable in the middle and late February. Too early, harvesting plants, flowers, the pros and cons of the traits ...