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Heredity of Ecological Male Sterile Wheat

YANG You cai,HE Jue min,LUO Hong bing,LIU Xiong lun(Hunan Hybrid Wheat Research Centre,Changsha 410128,PRC)  
The genetic mechanism of fertility alteration was studied by investigating ecological male sterile wheat ES 10,6 wheat varieties of different ecotypes and the fertility of F 1,F 2 and BCF 1 which were crossed by ES 10 and the 6 wheat varieties.The results showed that the fertility inheritance of ecological male sterile line was controlled by the nuclear genes and had no relation with cytoplasmic genes.The male sterile heredity of ecological male sterile line showed apparent quantitative heredity features,which was controlled by a set of minor genes called environmental condition sensitive genes.
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