Resistance Evaluation of Southern Japonica Rice Germplasm Against Sheath Blight in Field

doi:10.3969/j.issn.1006-8082.2026.03.013

China Rice ›› 2026, Vol. 32 ›› Issue (3): 76-80.DOI: 10.3969/j.issn.1006-8082.2026.03.013

• Special Thesis & Basic Research • Previous Articles Next Articles

Resistance Evaluation of Southern Japonica Rice Germplasm Against Sheath Blight in Field

FANG Jianjiang¹^,³, ZHANG Wenxuan¹^,³, CHEN Qi¹^,³, ZHAI Pengfei¹^,³, XIONG Yixuan¹^,³, YU Lingbo¹^,³, CHEN Zihang¹^,³, DONG Zhenzhong¹^,³, FENG Zhiming¹^,³, XIE Wenya¹^,³, HU Keming¹^,³, CHEN Zongxiang¹^,³, ZUO Shimin¹^,²^,³^,^*()

¹ Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Agricultural College of Yangzhou University, Yangzhou, Jiangsu 225009, China
² Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops/Jiangsu Key Laboratory of Crop Genetics and Physiology, Yangzhou, Jiangsu 225009, China
³ Yangzhou Modern Seed Innovation Institute, Gaoyou, Jiangsu 225600, China

Received:2025-12-11 Online:2026-05-20 Published:2026-05-11
Contact: ZUO Shimin

南方粳稻种质资源对纹枯病的田间抗病性评价

方建江¹^,³, 张文轩¹^,³, 陈玘¹^,³, 翟鹏飞¹^,³, 熊屹轩¹^,³, 余凌波¹^,³, 陈梓航¹^,³, 董振中¹^,³, 冯志明¹^,³, 谢文亚¹^,³, 胡珂鸣¹^,³, 陈宗祥¹^,³, 左示敏¹^,²^,³^,^*()

¹ 江苏省作物基因组学和分子育种重点实验室/生物育种钟山实验室/植物功能基因组学教育部重点实验室/扬州大学农学院，江苏扬州 225009
² 江苏省粮食作物现代产业技术协同创新中心/江苏省作物遗传生理重点实验室，江苏扬州 225009
³ 扬州现代种子创新研究所，江苏高邮 225600

通讯作者: 左示敏
基金资助:
国家重点研发计划项目(2023YFD1200902);国家重点研发计划项目(CX(23)3001);生物育种钟山实验室项目(ZSBBL-KY2023-06-3)

Abstract

Abstract:

Sheath blight is one of the three major diseases in rice, posing a serious threat to rice green sustainable production and high stable yield. As a primary staple crop, the safe production of japonica rice is of great significance to national food security. In this study, under field inoculation conditions, we evaluated the resistance to sheath blight in 255 japonica rice varieties and 35 indica rice varieties collected from different ecological regions of southern China. The results showed that the overall resistance level of the tested varieties was low, with 89.7% of them being moderately susceptible to susceptible. The resistance of indica rice varieties was generally superior to that of japonica varieties. Among the japonica varieties, those from Zhejiang Province exhibited higher resistance levels compared to those from Jiangsu and Anhui Provinces. In Jiangsu, late-maturing japonica types showed better resistance than medium-maturing and late-medium-maturing types. Correlation analysis revealed a significant negative relationship between sheath blight resistance and both heading date and plant height. Based on disease rating, heading date, and plant height, 14 moderately resistant japonica varieties with relatively good resistance were identified, providing valuable germplasm resources for breeding sheath blight-resistant japonica rice in southern China.

Key words: southern japonica rice, sheath blight, disease resistance evaluation, agronomic traits, maturity stage

摘要：

纹枯病是水稻三大主要病害之一，严重影响水稻的绿色可持续生产与高产稳产。粳稻作为主要的口粮作物，其安全生产对国家粮食安全具有重要意义。本研究在田间接种条件下，对来自南方不同生态区的255个粳稻品种和35个籼稻品种进行了纹枯病抗性鉴定。结果表明，参试品种整体抗性水平较低，89.7%品种表现为中感至感病；籼稻的抗性普遍优于粳稻；在粳稻中，浙江品种的抗性整体高于江苏和安徽品种；江苏地区的早熟晚粳型品种抗性优于中熟中粳和迟熟中粳类型品种。相关分析显示，抽穗期和株高与纹枯病抗性呈显著负相关。结合病情级别、抽穗期及株高性状，本研究筛选到14个抗性表现较好的中抗粳稻品种，为南方粳稻抗纹枯病育种提供了有价值的种质资源。

关键词: 南方粳稻, 纹枯病, 抗病评价, 农艺性状, 熟期

CLC Number:

FANG Jianjiang, ZHANG Wenxuan, CHEN Qi, ZHAI Pengfei, XIONG Yixuan, YU Lingbo, CHEN Zihang, DONG Zhenzhong, FENG Zhiming, XIE Wenya, HU Keming, CHEN Zongxiang, ZUO Shimin. Resistance Evaluation of Southern Japonica Rice Germplasm Against Sheath Blight in Field[J]. China Rice, 2026, 32(3): 76-80.

方建江, 张文轩, 陈玘, 翟鹏飞, 熊屹轩, 余凌波, 陈梓航, 董振中, 冯志明, 谢文亚, 胡珂鸣, 陈宗祥, 左示敏. 南方粳稻种质资源对纹枯病的田间抗病性评价[J]. 中国稻米, 2026, 32(3): 76-80.

Figures/Tables 4

References 24

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Resistance Evaluation of Southern Japonica Rice Germplasm Against Sheath Blight in Field

南方粳稻种质资源对纹枯病的田间抗病性评价

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