A preliminary study on the root-knot nematode resistance of a cherry plum cultivar Mirabolano 29C

Jia Liu, Jin Zhu, Hongwen Li, Deyong Luo, Jialian Xie, Huajia Li, Shuo Liu, Yuping Zhang, Lijuan Chen, Xiaodou Xie, Dong Wang, Ke Li, Meiying Yao and Guowei Zhang
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Jia Liu: Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, PR China
Jin Zhu: Sichuan Horticultural Crop Technology Promotion Station, Chengdu, P.R. China
Hongwen Li: Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, PR China
Deyong Luo: Sichuan Fruit Tree Breeding Station, Sichuan, PR China
Jialian Xie: Institute of Plant Protection, Sichuan Academy of Agricultural Sciences, Key Laboratory of Integrated Management of Pests on Crops in Southwest China, Ministry of Agriculture and Rural Affairs, Chengdu, Sichuan, P.R. China
Huajia Li: Institute of Agro-Products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, Chengdu, P.R. China
Shuo Liu: Liaoning Institute of Pomology, Yingkou, Liaoning, P.R. China
Yuping Zhang: Liaoning Institute of Pomology, Yingkou, Liaoning, P.R. China
Lijuan Chen: Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, PR China
Xiaodou Xie: Sichuan Fruit Tree Breeding Station, Sichuan, PR China
Dong Wang: Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, PR China
Ke Li: Institute of Agro-Products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, Chengdu, P.R. China
Meiying Yao: Panzhihua Academy of Agriculture and Forestry Sciences, Panzhihua, Sichuan, PR China
Guowei Zhang: Horticulture Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, PR China

Czech Journal of Genetics and Plant Breeding, 2023, vol. 59, issue 3, 133-140

Abstract: Grafting is the most important means of breeding peach, plum, apricot, and other fruit trees, and the selection of the rootstock is crucial to the quality of the grafting and the yield of the products. The traditional commonly used peach rootstock is susceptible to root-knot nematode infections, resulting in a decreased yield, while a variety of cherry plum rootstocks, Mirabolano 29C, is resistant to root-knot nematode. In this study, root-knot nematode infection experiments on seedlings of traditional peach rootstocks and Mirabolano 29C confirmed that Mirabolano 29C was indeed more resistant to root-knot nematodes. At the same time, we compared the roots of the root-knot nematode uninfected and infected Mirabolano 29C by transcriptome sequencing and found 3 176 differentially expressed genes. A further functional enrichment analysis of these genes found that the secondary metabolites, phenylpropane and flavonoids, may be responsible for the high resistance of Mirabolano 29C to root-knot nematodes. These results can provide a reference value for the disease resistance breeding of rootstocks.

Keywords: disease resistance; grafting; phenylpropane pathway; rootstocks; transcriptome sequencing (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:59:y:2023:i:3:id:111-2022-cjgpb

DOI: 10.17221/111/2022-CJGPB

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