Resistance to Planthoppers and Southern Rice Black-Streaked Dwarf Virus in Rice Germplasms

文献类型： 外文期刊

第一作者： Yu, Wenjuan

作者： Yu, Wenjuan;Xu, Zhi;Zhong, Xuelian;Ji, Hongli;Peng, Yunliang;He, Jiachun;Lai, Fengxiang;Fu, Qiang;Peng, Yunliang;Wu, Jianxiang;Zhou, Xueping;Zhang, Mei;Zhou, Xueping

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关键词： Nilaparvata lugens; resistance; rice germplasm; Sogatella furcifera; Southern rice black-streaked dwarf virus

期刊名称：PLANT DISEASE （ 影响因子：4.4； 五年影响因子：4.8 ）

ISSN： 0191-2917

年卷期： 2024 年 108 卷 8 期

页码：

收录情况： SCI

摘要： The damage caused by the white-back planthopper (WBPH, Sogatella furcifera) and brown planthopper (BPH, Nilaparvata lugens), as well as southern rice black-streaked dwarf virus (SRBSDV), considerably decreases the grain yield of rice. Identification of rice germplasms with sufficient resistance to planthoppers and SRBSDV is essential to the breeding and deployment of resistant varieties and, hence, the control of the pests and disease. In this study, 318 rice accessions were evaluated for their reactions to the infestation of both BPH and WBPH at the seedling stage using the standard seed-box screening test method; insect quantification was further conducted at the end of the tillering and grain-filling stages in field trials. Accessions HN12-239 and HN12-328 were resistant to both BPH and WBPH at all tested stages. Field trials were conducted to identify resistance in the collection to SRBSDV based on the virus infection rate under artificial inoculation. Rathu Heenati (RHT) and HN12-239 were moderately resistant to SRBSDV. In addition, we found that WBPH did not penetrate stems with stylets but did do more probing bouts and xylem sap ingestion when feeding on HN12-239 than the susceptible control rice Taichung Native 1. The resistance of rice accessions HN12-239, HN12-328, and RHT to BPH, WBPH, and/or SRBSDV should be valuable to the development of resistant rice varieties.

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