%A Dai-Ling LIU,Jun-Feng XIE,Qian-Rui HE,Si-Wei CHEN,Yue HU,Jia ZHOU,Yue-Hui SHE,Wei-Guo LIU,Wen-Yu YANG,Xiao-Ling WU %T QTL analysis for relative contents of glycinin and β-conglycinin fractions from storage protein in soybean seeds under monoculture and relay intercropping %0 Journal Article %D 2020 %J Acta Agronomica Sinica %R 10.3724/SP.J.1006.2020.94076 %P 341-353 %V 46 %N 3 %U {https://zwxb.chinacrops.org/CN/abstract/article_6867.shtml} %8 2020-03-12 %X

The relative contents of glycinin and β-conglycinin from storage protein are closely related to the quality and function of soybean seeds. However, it is not clear whether or how glycinin and β-conglycinin contents change in maize-soybean strip intercropping system. The glycinin and β-conglycinin relative contents of the recombinant inbred lines (RILs) derived from the cross of ‘Nandou 12’ and ‘Jiuyuehuang’ were measured under different environments (E1: 2017, Renshou; E2: 2017, Ya’an; E3: 2016, Renshou) and planting patterns (M: monoculture; RI: relay intercropping), among which the differences were significant or extremely significant in parents and RILs. Based on a genetic linkage map with 6366 SNP markers, we detected ten QTLs for glycinin and β-conglycinin relative contents which were distributed in nine linkage groups with the phenotypic variation of 5.63%-9.68%. According to the soybean genomic information, 65 candidate genes were screened in the region of above-mentioned QTLs. These results lay a theoretical foundation for soybean quality breeding.