High-yielding Seed Production Techniques of Hybrid Rice Combination Chuanyou 2198

Chuanyou 2198,a new hybrid rice combination,was developed from the cross of a male sterile Chuanxiang 29A and the restorer line Fuhui 2198,which was is suitable to be planted as late rice.According to many years rape breeding experience and the characteristics of the parents of hybird rice Chuanyou 2198,the high-yielding seed production techniques of Chuanyou 2198 were summarized.