supported by the National Natural Science Foundation of China(30270778);Chinese Ministry of Science and Technology(2001BA507A-09-01-03,2004BA520A12-5).
With two-line hybrid rice Yangliangyou 6 (YLY6) and Liangyoupeijiu (LYPJ) and three-line hybrid rice Shanyou 63 (SY63) as materials, the source, sink and flow characteristics in association with grain filling we...