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Breeding a Soybean Cultivar Heinong 531 with Peking-Type Cyst Nematode Resistance, Enhanced Yield, and High Seed-Oil Contents

文献类型： 外文期刊

作者： Wang, Jiajun 1 ; Kong, Lingan 2 ; Zhang, Liuping 2 ; Shi, Xue 2 ; Yu, Baishuang 1 ; Li, Jinrong 1 ; Zhang, Bixian 1 ; Gao, Mingjie 1 ; Liu, Xiulin 1 ; Li, Xiaobai 1 ; Gao, Yuan 3 ; Peng, Deliang 2 ; Liu, Shiming 2 ;

作者机构： 1.Heilongjiang Acad Agr Sci, Inst Soybean Res, Harbin 150086, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Seed Serv Ctr Heilongjiang Prov, Harbin 150008, Peoples R China

关键词： Heinong 531; oil; resistance; soybean; soybean cyst nematode; yield

期刊名称：PHYTOPATHOLOGY （ 影响因子：4.01； 五年影响因子：4.457 ）

ISSN： 0031-949X

年卷期： 2022 年 112 卷 6 期

页码：

收录情况： SCI

摘要： Soybean cyst nematode (SCN) is a destructive threat to soybean production. It is economically important to develop a new SCN-resistant soybean cultivar with high yield and other good agronomic traits. In this study, a yellow-seed-coated and yellow-hilum-pigmented cultivar Heinong 531 belonging to maturity group I was developed by a pedigree breeding method through a test-cross between a female parental SCN-resistant soybean cultivar Pengdou 158 and a male parental line F-1 (high-yield but SCN-susceptible Hefeng 55 x SCN-resistant Kangxian 12). Heinong 531 was evaluated for SCN resistance in both SCN-infested field and autoclaved soil inoculated with hatched second-stage juveniles of SCN HG Type 0. The results indicated that SCN development at all stages in Heinong 531 was suppressed and the female index was only 1.6 to 5.6%. Heinong 531 as well as Pengdou 158 and Kangxian 12 were identified as carrying the Peking-type resistance with both rhg1-a GmSNAP18 and Rhg4 GmSHMT08 genes. In the 2-year regional trials, the average yield of Heinong 531 reached 2805.0 kg/ha, and the 1-year production trial demonstrated an average yield of 2,751.5 kg/ha with yield increase of >12.0% when compared with the local cultivars. The average seed-fat (oil) contents of Heinong 531 reached up to 22.3%. The Peking-type SCN-resistant Heilong 531 with enhanced yield and high seed-oil contents was released in China in June 2021 with the certified number of 'Heishendou 20210004'. These agronomic traits make Heinong 531 a good prospect in a wide attempt to control SCN in the main soybean-producing areas of Northeast China.

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