Analysis of Quality Characteristics of Wheat Double Haploid Lines Generated Via Anther Culture

doi:10.7668/hbnxb.2007.06.014

Abstract

Abstract: In this paper, we systematically tested the quality characteritics of wheat double haploid(DH)lines from the first generation(H₁) to H₅, with the aim to breed elite winter wheat lines with superior grain quality trait. We found that the composition of high molecular weight glutenin subunits did not change from H₁ to H₅. By contrast, seed protein content varied significantly between H₁ to H₂. Additional analysis revealed the existence of high conelation betweenthe test results of H₂ and H₃ generations with respect to seed protein content, grain hardness and SDS sedimentation volume of dough. Through early tests of quality characteristics, a DH line(Jingdan 00-594) shoving superior grain quality trait was developed. Its grain and dough properties benene stable in as early as H₄ and H₅ genenations. Based on our data, an effective protocol for the early and efficient selection of the DH lines with elite grain quality trait is proposed and discussed.

Key words: Winter wheat, Anther culture, Quality test

CLC Number:

S512.1
S336

ZHANG Li-ping, SU Qing, LIU Jian-ping, SHAN Fu-hua, ZHAO Chang-ping. Analysis of Quality Characteristics of Wheat Double Haploid Lines Generated Via Anther Culture[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(6): 69-72. doi: 10.7668/hbnxb.2007.06.014.

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