杂交晚粳稻嘉乐优2号母本直播高产制种技术

High-yielding Seed Production Techniques of The Female parent of Hybrid Late Rice "Jia Leyou 2" Direct Seeding

介绍了杂交粳稻组合嘉乐优2号双亲的特征特性,总结了确定父母本播差期、培育壮苗、合理密植、加强肥水管理培育高产群体、及时防治病虫草害、适时适量喷施"九二0"、人工授粉和去杂等母本直播高产制种技术措施。

This paper introduced the characteristics of the female parent of hybrid late rice ＂Jia Leyou 2＂, and summed up the difference to determine the parents of the sowing period, seedling cultivation, reasonable plant to strengthen the management of fertilize to cultivate high-yield groups, timely prevention on diseases, pests and weeds, timely appropriate spraying ＂92 0＂, artificial pollination, and miscellaneous, such as female parent to live high-yielding seed production technical measures.