Shattering-resistance of an elite soybean variety 'Heihe 43' and identification of shattering-resistant genes
文献类型： 外文期刊
作者： Han, Dezhi 1 ; Han, Jianan 2 ; Jiang, Siqi 3 ; Su, Bohong 4 ; Zhang, Bo 2 ; Liu, Zhangxiong 2 ; Yan, Hongrui 1 ; Qiu, Li- 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Heihe Branch, Heihe 164300, Heilongjiang, Peoples R China
2.Chinese Acad Agr Sci, Natl Key Facil Gene Resources & Genet Improvement, Key Lab Crop Germplasm Utilizat, Minist Agr,Inst Crop Sci, Beijing 100081, Peoples R China
3.Harbin Normal Univ, Coll Life Sci & Technol, Harbin, Peoples R China
4.Northeast Agr Univ, Coll Agr, Harbin 150030, Heilongjiang, Peoples R China
关键词： Soybean; Shattering-resistant; Dominant gene; Heritability
期刊名称：EUPHYTICA （ 影响因子：1.614； 五年影响因子：1.883 ）
ISSN： 0014-2336
年卷期： 2021 年 217 卷 6 期
页码：
收录情况： SCI
摘要： Pod dehiscence is a vital reproduction trait for wild soybean, but it is an undesirable trait that causes yield loss in soybean production. It is important in both theory and application to study the occurrence regularity and molecular genetic basis of pod dehiscence. In this study, we used the varieties of Heihe 43 (shattering-resistant) and Heihe 18 (shattering-susceptible) as parents that share close kinships to develop offspring. We performed genetic analysis to the percentage of shattering in the six generations (P-1, P-2, F-1, BCP1F1, BCP2F1 and F-2). The heritability of shattering-resistance for Heihe 43 was as high as 0.96 and controlled by two dominate genes that were different from either SHAT1-5 or PDH1. To further identify one candidate genes in Heihe 43, we developed a separating population from RHLs of Heihe 43 x Heihe 18, and narrowed qPD05-1 to a 169.85-Kb region including 19 genes. Our results provide closely molecular marker for identifying the shattering-resistant gene in soybean breeding.
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