Marker-assisted backcrossing to improve seed oleic acid content in four elite and popular peanut (Arachis hypogaea L.) cultivars with high oil content

High oleic acid composition is an important determinant of seed quality in peanut (Arachis hypogaea) in regard to its nutritional benefits for human health and prolonged shelf-life for peanut products. To improve the oleic acid content of popular peanut cultivars in China, four peanut cultivars of d...

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Veröffentlicht in:Breeding science. - 1998. - 69(2019), 2 vom: 26. Juni, Seite 234-243
1. Verfasser: Huang, Bingyan (VerfasserIn)
Weitere Verfasser: Qi, Feiyan, Sun, Ziqi, Miao, Lijuan, Zhang, Zhongxin, Liu, Hua, Fang, Yuanjin, Dong, Wenzhao, Tang, Fengshou, Zheng, Zheng, Zhang, Xinyou
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article Arachis hypogaea genetic background recovery high oleic acid marker-assisted backcross selection oil content peanut single nucleotide polymorphism
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520 |a High oleic acid composition is an important determinant of seed quality in peanut (Arachis hypogaea) in regard to its nutritional benefits for human health and prolonged shelf-life for peanut products. To improve the oleic acid content of popular peanut cultivars in China, four peanut cultivars of different market types were hybridized with high-oleic-acid donors and backcrossed for four generations as recurrent parents using fad2 marker-assisted backcross selection. Seed quality traits in advanced generations derived by selfing were assessed using near-infrared reflectance spectroscopy for detection of oleic acid and Kompetitive allele-specific PCR (KASP) screening of fad2 mutant markers. Twenty-four high-oleic-acid lines of BC4F4 and BC4F5 populations, with morphological features and agronomic traits similar to those of the recurrent parents, were obtained within 5 years. The genetic backgrounds of BC4F5 lines were estimated using the KASP assay, which revealed the genetic background recovery rate was 79.49%-92.31%. The superior lines raised are undergoing a multi-location test for cultivar registration and release. To our knowledge, this is the first application of single nucleotide polymorphism markers based on the high-throughput and cost-effective KASP assay for detection of fad2 mutations and genetic background evaluation in a peanut breeding program 
650 4 |a Journal Article 
650 4 |a Arachis hypogaea 
650 4 |a genetic background recovery 
650 4 |a high oleic acid 
650 4 |a marker-assisted backcross selection 
650 4 |a oil content 
650 4 |a peanut 
650 4 |a single nucleotide polymorphism 
700 1 |a Qi, Feiyan  |e verfasserin  |4 aut 
700 1 |a Sun, Ziqi  |e verfasserin  |4 aut 
700 1 |a Miao, Lijuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhongxin  |e verfasserin  |4 aut 
700 1 |a Liu, Hua  |e verfasserin  |4 aut 
700 1 |a Fang, Yuanjin  |e verfasserin  |4 aut 
700 1 |a Dong, Wenzhao  |e verfasserin  |4 aut 
700 1 |a Tang, Fengshou  |e verfasserin  |4 aut 
700 1 |a Zheng, Zheng  |e verfasserin  |4 aut 
700 1 |a Zhang, Xinyou  |e verfasserin  |4 aut 
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773 1 8 |g volume:69  |g year:2019  |g number:2  |g day:26  |g month:06  |g pages:234-243 
856 4 0 |u http://dx.doi.org/10.1270/jsbbs.18107  |3 Volltext 
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