SNP molecular marker related to red color character of prunus mira and application thereof

By developing a combination of SNP molecular markers related to the red trait of plum peel, rapid identification of plum peel color and efficient breeding were achieved, solving the problem of difficulty in identifying the red trait of plum peel in existing technologies, improving detection accuracy and reducing breeding costs.

CN114959103BActive Publication Date: 2025-12-19NANJING AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202210697104.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-20
Publication Date
2025-12-19
Estimated Expiration
2042-06-20

AI Technical Summary

Technical Problem

The lack of effective SNP molecular markers in existing technologies for the identification and breeding of red plum peel traits results in slow breeding processes and high costs.

Method used

A combination of SNP molecular markers associated with the red trait of plum peel was developed, including 7 SNP molecular markers and specific primers. Through genome sequencing screening and functional annotation, it was used for rapid identification of plum peel color and molecular marker-assisted breeding.

Benefits of technology

It improved the accuracy of plum peel color detection to over 90%, reduced field testing costs, shortened the breeding process, and provided a foundation for the cloning of candidate anthocyanin synthesis genes.

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Abstract

The application discloses an SNP molecular marker related to a plum fruit skin red character and application thereof. Seven high-quality and high-polymorphic SNP molecular markers are mined by resequencing data, and the markers can be used for accurate detection of plum varieties (strains) with different fruit skin colors, and have wide application universality. The markers are codominant markers, and have the advantages of specificity, sensitivity, high resolution and the like. The developed molecular markers are not affected by environmental conditions, can use seeds or any type of plant tissue, can realize rapid identification of resistance, reduce field test cost, thereby saving breeding cost and accelerating breeding process.
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