Hunan Agricultural University

Hunan Hoping Seeds Science & Technology Incorporated Company

Guilian Zhang

Qiang Xu

Ning Feng

Guihua Chen

Xingquan Ming

Huabing Deng

Guoliang Yi

Yuedong Xiong

Wenbang Tang

Xincai Ding

Yue Wang

A method for breeding a small-grain male-sterile rice line and a simple method for producing a hybrid rice seed are provided. The method for breeding the small-grain sterile rice line includes the following steps: crossing a female parent C815S with a male parent Qigui B to obtain a hybrid seed F1; planting the F1 and crossing the F1 with a female parent H155S to obtain a crossed hybrid seed F1'; planting the crossed hybrid seed F1&#x2032; to obtain a F2&#x2032; generation; planting an individual plant with ideal plant type, strong tillering, plant dwarf and small grain type from the F2&#x2032; generation and a F3&#x2032; generation, and then directional breeding more than two generations to obtain a seed with more than F5&#x2032; generation as the small-grain sterile rice line.

Method for breeding small-grain sterile rice line and simple method for producing hybrid rice seed

Growing community of inventors

Changsha, China

Guilian Zhang