In order to explore the fertility alteration rule of thermo-sensitive male sterile wheat line BNS366,and provide a basis for its utilization of wheat heterosis,a field experiment was conducted to investigate the pollen abortion rate,fertility index and seed setting characters by means of interval sowing method with two-line male sterile line BNS366 as the test material and BNS,Aikang 58,and Yangmai 13 as the controls in Changsha,Hunan province from 2011 to 2013.The results showed that the fertility alterati...