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Synergistic Activity of Dimethyl Disulfide Mixtures with Two Chemical Compounds against Meloidogyne incognita

Author

Listed:
  • Qing Wang

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Lirui Ren

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Daqi Zhang

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Zhaoxin Song

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Wensheng Fang

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Yuan Li

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Qiuxia Wang

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Aocheng Cao

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

  • Dongdong Yan

    (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

Abstract

The prevention and control of root-knot nematode disease is a worldwide challenge and there are not many varieties of pesticides for nematode control. To meet the huge market demand, the development of new nematicides is urgently needed. The lethal effects of soil fumigant dimethyl disulfide (DMDS) mixed with the chemical compounds copper sulfate (CuSO 4 ) and ammonium bicarbonate (NH 4 HCO 3 ) on Meloidogyne incognita were tested using the immersion method. The results showed that the LC 50 of DMDS, CuSO 4 , and NH 4 HCO 3 on the second stage juveniles (J2) of M. incognita were 19.28, 187.42, and 213.49 mg/L, respectively. The lethal effect on J2 were enhanced with the combination of DMDS and CuSO 4 or NH 4 HCO 3 . The compound uses of DMDS (2.5 mg/L) and CuSO 4 (46.58 mg/L) or NH 4 HCO 3 (80.25 mg/L) have obvious synergistic effects on the control of M. incognita , with corrected mortalities of 97.09% and 94.00%, respectively. The synergistic effect of fumigant and chemical compounds on M. incognita was investigated to provide a new concept for the control of root-knot nematode disease.

Suggested Citation

  • Qing Wang & Lirui Ren & Daqi Zhang & Zhaoxin Song & Wensheng Fang & Yuan Li & Qiuxia Wang & Aocheng Cao & Dongdong Yan, 2022. "Synergistic Activity of Dimethyl Disulfide Mixtures with Two Chemical Compounds against Meloidogyne incognita," Sustainability, MDPI, vol. 14(24), pages 1-8, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:24:p:16711-:d:1002308
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