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《Acta Agriculturae Boreali—Sinica》 2005-06
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Phenomenon and Analysis of Waxy Endosperm Segregated in F_2 Derived from a Generic Hybridization among Upland Rice,Barnyard Grass and Sorghum

LI Hui-min~(1),ZHAO Feng-wu~(1),LIU Dong-cheng~(2),ZHANG Ai-min ~(2)(1.Dry Farming Institute,Hebe,Academy of Agridllture and Forestry Sciences,Hengshui 053000,China;2.Institute of Genetics and Developmental Biology,Chinese Academy of Sciences,Beijing 100101,China)  
A generic hybridization between Yuan FH 2-1,derived from upland rice(O.sativa)genotype Handao 65/Barnyard grass(E.caudata),and sorghum(S.bicolor) genotype Shennong 133,has been made in which parents all belonged to non-waxy endosperm(NWE) genotypes.A new character of waxy endosperm(WE) was appeared in its progenies of F_2,340 WE and 1 372 NWE plants were recorded from a population of total 1 712 ones.Inheritance pattern analysis of it indicated the trait was governed by 1 pair of dominant genes inhibiting effect,which was in full accordance with the segregated ratio of 13∶3 by ways of χ~(2) tests.This was obviously different with previous reports WE were governed by 1 pair of recessive genes.
【Fund】: 国家自然科学基金(30471058);; 河北省自然科学基金(302452)资助项目
【CateGory Index】: S511.6
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