提高大豆杂交成功率的有效方法郭凤霞，马志军，王海（甘肃省农科院经作所兰州７３００７０）大豆新品种的选育，目前还是以人工有性杂交为主，有了杂交分离群体，才算有了选育的基础材料，因此杂交成功率的高低直接影响着选育效果。大豆花器小，又是自花授粉作物，杂交工... Effective Methods for Increasing the Success Rate of Soybean Crossing GUO Feng-xia, MA Zhi-jun, WANG Hai (Gansu Academy of Agricultural Sciences, Lanzhou 730070, China) Breeding of new soybean varieties is still dominated by artificial crossbreeding. Having considered the basic materials for breeding, the success rate of hybridization directly affects the breeding effect. Soybean flower small, but also self-pollination crops, hybrid workers ...