Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (4): 957-961.DOI: 10.16178/j.issn.0528-9017.20221269

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Application of normalized prevention and control technology of rice bacterial leaf blight

LI Jianzhong1(), SHEN Ying2, LIANG Weifang3, JIANG Jianfeng1, XU Gangyong1, WANG Xiaodong4, CHEN Jianbing5, YANG Yong3,*()   

  1. 1. Qujiang District Agricultural Technology Extension Center, Quzhou 324022, Zhejiang
    2. Zhejiang Provincial Plant Protection Quarantine and Pesticide Management Station, Hangzhou 310020, Zhejiang
    3. Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, State Key Laboratory of Influencing Factors and Risk Prevention and Control of Agricultural Product Quality and Safety, Ministry of Agriculture and Rural Affairs and Zhejiang Provincial Key Laboratory of Plant Protection Biotechnology, Hangzhou 310021, Zhejiang
    4. Jiangshan Agricultural Technology Extension Center, Jiangshan 324100, Zhejiang
    5. Sutian Family Farm of Qujiang District, Quzhou City, Quzhou 324007, Zhejiang
  • Received:2023-02-25 Online:2024-04-11 Published:2024-04-22

Abstract:

Rice bacterial leaf blight is an important disease in the process of rice production, though we have done a lot of work in the prevention and control of this disease, but since 2015, the disease has been on the rise, especially after 2019, the occurrence area of rice bacterial leaf blight in Qujiang District has shown a multi-point and explosive growth, especially for single-season late rice and continuous cropping late rice, which poses a serious threat to rice production in our region. In this paper, we drew on the theory of “traditional Chinese medicine to treat diseases” and explored the use of the “3+X” model to prevent and control rice bacterial leaf blight. The results showed that compared with the conventional control methods, the early preventive treatment with 20% thiazolezinc in the key link of rice planting could not only effectively reduce the occurrence of diseases, delay the expansion rate of diseases in the field, but also improve the growth function of rice plants, and the crop safety was good. The prevention and control effect of this model reached more than 85%, and the yield increased by more than 10% compared with the conventional control area.

Key words: rice, rice bacterial leaf blight, prevention and control

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