QTN fragment related to corn cloransulam-methyl resistance, molecular marker and application of QTN fragment
By localizing the QTN fragment and its molecular marker on the 4th chromosome of corn, the problem of corn sensitivity to chloroester sulfamyl is solved, rapid screening and breeding of corn-resistant herbicides is achieved, breeding efficiency is improved, and the promotion of corn-soybean strip-shaped composite planting model is promoted.
CN120099216APending Publication Date: 2025-06-06贵州省旱粮研究所 +1
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Patent Information
- Application Number
- CN202510389100.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-06-06
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Figure CN120099216A_ABST
Abstract
The invention discloses a corn cloransulam-methyl resistance related QTN fragment, a molecular marker and application of the corn cloransulam-methyl resistance related QTN fragment and the molecular marker, the QTN fragment is located at the 87069905-87070305 site (B73V5) on the fourth chromosome of corn, and the Chr4S87070067 site of the QTN fragment is subjected to allelic mutation into C / G. The invention provides an effective molecular assisted selection means for selection of a single cloransulam-methyl-resistant corn plant, can be applied to genetic improvement and breeding of cloransulam-methyl resistance of corn, improves the selection efficiency, and accelerates the breeding process of cloransulam-methyl; a single corn plant carrying cloransulam-resistant allelic variation is subjected to pollination and breed conservation and is used for breeding cloransulam-resistant hybrids, so that popularization of a corn-soybean strip-shaped composite planting mode is better facilitated.
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