Validation of Tamyb10D and Vp1B3 Associated with Pre-harvest Sprouting Tolerance in Red-grained and White-grained Wheat Varieties

doi:10.14088/j.cnki.issn0439-8114.2018.24.018

Abstract

Abstract: To acquire valuable marker for pre-harvest sprouting resistance（PHS）,the value of two markers（Tamyb10D and Vp1B3） were estimated in 240 wheat varieties during four years. The results were as follows：①Red-grained wheat were more tolerant to PHS than white-grained wheat.②Two makers were effective to select PHS resistant varieties without considering grain color. And Tamyb10D was more better than Vp1B3. ③Tamyb10D was associated with PHS resistance in red-grained wheat but not in white-grained wheat. While Vp1B3 was not associated with PHS resistance either in red-grained wheat or white-grained wheat.④The frequencies of Tamyb10-D1b and Vp-1Bc were higher in red-grained wheat than those in white-grained wheat. Especially for the allele Tamyb10-D1b,its frequency was 64.79% in red-grained wheat while only 1.78% in white-grained wheat. Above results indicated that the correlations between these two markers and PHS resistance were mostly determined by their correlation with red grained wheat,not by their own functions. In conclusion, marker Tamyb10D can be used to select PHS resistant varieties in red-grained wheat. But marker Vp1B3 can not be used to select PHS resistant varieties both in red-grained and white-grained wheat.

Key words: wheat, pre-harvest sprouting, molecular marker, Tamyb10D, Vp1B3

CLC Number:

S512.1

CHEN Ling, GAO Chun-bao, WANG Cui, ZHU Zhan-wang, TONG Han-wen, LIU Yi-ke, ZHANG Yu-qing, ZOU Juan, HE Wei-jie. Validation of Tamyb10D and Vp1B3 Associated with Pre-harvest Sprouting Tolerance in Red-grained and White-grained Wheat Varieties[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(24): 66-69.

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