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Technology for Distribution and Control of Agrobacterium tumefaciens in Cherry Tree Soil

Author

Listed:
  • Shenyan Liu

    (College of Forestry, Southwest Forestry University, Kunming 650224, China
    State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Yiwen Zheng

    (College of Plant Protection, Jilin Agricultural University, Changchun 130118, China)

  • Kunpeng Yu

    (College of Plant Protection, Jilin Agricultural University, Changchun 130118, China)

  • Shimeng Gao

    (State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Xiaojuan Zhao

    (Yuyuantan Park, Beijing 100142, China)

  • Aocheng Cao

    (State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Qingli Han

    (College of Forestry, Southwest Forestry University, Kunming 650224, China)

Abstract

Sakura crown gall, caused by the invasion of Agrobacterium tumefaciens through plant wounds, poses a significant threat to cherry trees. In this study, the distribution of A. tumefaciens was preliminarily determined by stratified sampling and qPCR detection. Vertically, the pathogen is mainly distributed in the soil layer below 20 cm, and the amount of bacteria increases at greater depths. Horizontally, they are found within a 150 cm radius from the trunk. Zhongshengmycin and Oligosaccharide–Ethylicin were applied 100 cm from the trunk at a depth of below 20 cm. In the 20~40 cm soil layer, a 600-fold diluted solution of 3% Zhongshengmycin had a relative control efficacy of 94% to 100% against Agrobacterium tumefaciens , while a 1000-fold diluted solution of 25% Oligosaccharide–Ethylicin showed a control effect ranging from 54% to 100%. Before transplantation, the soil was disinfected with dazomet and abamectin. Application rates were 35 g/m 2 for dazomet (98% granules) and 1 mL/m 2 for abamectin (1.8% emulsifiable concentrate). The disinfection effectiveness was 77~100% in the 0~60 cm soil layer.

Suggested Citation

  • Shenyan Liu & Yiwen Zheng & Kunpeng Yu & Shimeng Gao & Xiaojuan Zhao & Aocheng Cao & Qingli Han, 2024. "Technology for Distribution and Control of Agrobacterium tumefaciens in Cherry Tree Soil," Agriculture, MDPI, vol. 14(11), pages 1-12, October.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:11:p:1857-:d:1503971
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