首页|Genetic overlap between salt and low-temperature tolerance loci at germination stage of soybean

Genetic overlap between salt and low-temperature tolerance loci at germination stage of soybean

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Salt and low temperature were both very important factors for soybean production. It was necessary to improve the salt stress and low-temperature tolerance of soybean. The main purpose of this paper was to map the quantitative trait loci (QTL) related with salt tolerance and low-temperature tolerance at germination stage with backcross introgression lines (BILs),and analyze the genetic overlap between them. There were 22 QTL located with BC2F4 introgression populations after salt stress,and 15 QTL were mapped after low-temperature stress. Sev-en overlapping QTLs between salt tolerance and low-temperature tolerance were detected on 6 linkage groups at germination stage. In total,there were 31.81%of salt tolerance and low-temperature tolerance loci existed genetic overlap.

soybeanintrogression linessalt tolerancelow-temperature tolerancegenetic overlap

Qiu Pengcheng、Du Yongchun、Song Mangang、Jiang Hongwei、Zhang Wenbo、Chang Guoyou、Kong Guodong、Hu Guohua、Chen Qingshan

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Agriculture and Animal Husbandry Sciences Research,Institute of Erdos,Erdos,Inner Mongolia 017000,China

The National Research Center of Soybean Engineering and Technology,Harbin 150050,China

State Key Laboratory of Forest Genetics and Tree Breeding of Northeast Forestry University,Harbin 150040,China

Dalate Seed Management Station of Inner Mongolia,Erdos,Inner Mongolia 014300,China

College of Agriculture,Northeast Agricultural University,Harbin 150030,China

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2013

工程科学(英文版)
中国工程院出版委员会

工程科学(英文版)

影响因子：0.226
ISSN：1672-4178
年,卷(期)：2013.(5)
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