System and method for identifying field leaf disease resistance of large-batch sugarcane germplasm

By establishing a field leaf disease resistance identification system, using plant grading, disease calculation and resistance evaluation units, the problem of difficulty in screening sugarcane germplasm disease resistance in the existing technology is solved, and the effective evaluation of the comprehensive disease resistance of sugarcane leaves is achieved, which is suitable for the rapid identification of large-scale germplasm resources.

CN119709938APending Publication Date: 2025-03-28SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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Patent Information

Application Number
CN202510097455.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to effectively screen the disease resistance of large-scale sugarcane germplasm, especially in the case of multiple leaf diseases combined, which cannot truly reflect the comprehensive disease resistance of sugarcane leaves.

Method used

A field leaf disease resistance identification system for large-batch sugarcane germplasm is proposed, including plant grading unit, disease calculation unit and resistance evaluation unit. Through preset disease categories and sensory grading, the disease index is calculated and the disease resistance level and comprehensive disease resistance level are evaluated.

Benefits of technology

The field disease resistance identification of leaf diseases in large batches of sugarcane germplasm resources has been achieved quickly and effectively, which can truly reflect the comprehensive disease resistance of sugarcane leaves under the invasion of multiple diseases and meet the actual needs of sugarcane breeding.

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Abstract

The invention belongs to the field of crop germplasm resource identification and evaluation and genetic breeding, and particularly discloses a field leaf disease resistance identification system and method for large-scale sugarcane germplasm. Carrying out susceptibility grade division on a sugarcane sample to be detected; according to the susceptibility level of the to-be-detected sugarcane sample, obtaining the disease index of the sugarcane plant; and according to the disease index and a preset resistance evaluation system, obtaining the disease resistance level and the comprehensive disease resistance level of the sugarcane leaves. The method can quickly complete field disease resistance identification of leaf diseases of a large batch of sugarcane germplasm resources. Most importantly, the evaluation of the disease resistance of the sugarcane leaves integrates various leaf diseases, can reflect the comprehensive disease resistance of the sugarcane infected by the various leaf diseases, and better meets the actual requirements of breeders in sugarcane breeding.
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