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利用农作物杂种优势,是大幅度提高产量的一个有效措施。据有关单位测定,杂交油菜的优势也极为显著,优良组合可较同型良种增产20~40%,有的比双亲显著早熟,同时还具有营养生长健旺,根系发达,抗逆性较强等特点。油菜是我国主要油料作物,尽快地将杂交油菜应用于生产,大幅度提高油菜生产水平,对发展我国油料生产,提高人民生活具有重要的意义。
The use of crop heterosis is an effective measure to significantly increase production. According to the determination of the relevant units, hybrid rape also has remarkable advantages. The fine combination can increase the yield by 20-40% compared with the same type of elite, and some of them are significantly precocious than their parents. In addition, they have the characteristics of strong vegetative growth, developed roots and strong resistance. Rape is the main oilseed crop in our country. As soon as possible, the hybrid rapeseed is applied to the production and the rapeseed production level is greatly increased. It is of great significance for the development of oilseed production in our country and the improvement of people’s life.