倒伏指数 1. Effects of GA3 on stem characters and lodging index of female parent in seed production of combination——Zhuliangyou02; “九二O”对株两优02制种母本茎秆性状及倒伏指数的影响 2. 10 restorer lines and 7 male-sterile lines were studied on lodging resistance to rice and the relationsh...