水稻两优669高产制种技术探讨

Discussion on High Yield Seeds Production Techniques of Rice Liangyou669

两优669是安徽省农业科学院选育的杂交水稻中籼品种。从介绍两优669亲本特征特性出发,阐述了其高产制种技术措施,包括制种田安排、搭好丰产苗架、制种田规划和施肥、去杂及加强病虫害防治等方面。

Rice Liangyou669 was a middle-indica variety which was bred by Anhui academy of agricultural sciences. Starting from introducing the characteristics of parents, the high yield seeds production techniques of rice Liangyou669 were elaborated from the following aspects, including arranging the seed farm ,setting high yield seedlings frame, planning seed farm and fertilization, getting rid of unqualified seedlings, strengthening the prevention and control of plant diseases and insect pests, and others.