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Evaluation of nematicides for Meloidogyne enterolobii management in sweetpotato

Jingwei Chen

Jingwei Chen

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Chen, Jingwei
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Jukui Ma

Jukui Ma

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Ma, Jukui
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Fangyuan Gao

Fangyuan Gao

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Gao, Fangyuan
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Wei Tang

Wei Tang

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Tang, Wei
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Dongjing Yang

Dongjing Yang

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Yang, Dongjing
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Chengling Zhang

Chengling Zhang

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Zhang, Chengling
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Zhao Liang

Zhao Liang

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Liang, Zhao
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Yiping Xie

Yiping Xie

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Xie, Yiping
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Houjun Sun

Houjun Sun

Xuzhou Institute of Agricultural Sciences of Jiangsu Xuhuai Area, Key Laboratory of Biology and Genetic, Improvement of Sweetpotato of Ministry of Agriculture and rural affairsXuzhou,
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Sun, Houjun
  
24 ago 2024
Evaluation of nematicides for Meloidogyne enterolobii management in sweetpotato's Cover Image
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Categoria dell'articolo: Research Paper
Pubblicato online: 24 ago 2024
Ricevuto: 19 mar 2024
DOI: https://doi.org/10.2478/jofnem-2024-0033
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© 2024 Jingwei Chen et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1:

Inhibitory hatching rate of Meloidogyne enterolobii after 24h, 48h, and 72h of exposure to varying concentrations (A) cyclobutrifluram, (B) fluopyram, (C) hymexazol, and (D) fluensulfone in a 24-well microplate egg hatch assay. Bar values represent means ± standard error of three replicates. Treatments within the same experiment, connected by the same letter, were not significantly different according to the Protected LSD (α = 0.05).
Inhibitory hatching rate of Meloidogyne enterolobii after 24h, 48h, and 72h of exposure to varying concentrations (A) cyclobutrifluram, (B) fluopyram, (C) hymexazol, and (D) fluensulfone in a 24-well microplate egg hatch assay. Bar values represent means ± standard error of three replicates. Treatments within the same experiment, connected by the same letter, were not significantly different according to the Protected LSD (α = 0.05).

Control efficiency of four kinds of nematicides on sweetpotatos infected by Meloidogyne enterolobii under greenhouse conditions_

Treatment Disease Incidence (%) DIa (0–100) GIb EMIc
Cyclobutrifluram 78 ± 5.3d ab 13 ± 0.8d 69 ± 5.0d 51 ± 1.5c
Fluopyram 50 ± 19.5b 7 ± 2.7d 64 ± 2.2d 36 ± 9.6c
Fluensulfone 83 ± 0.0ab 25 ± 1.6c 157 ± 10.0c 150 ± 11.0b
Hymexazol 100 ± 0.0a 38 ± 2.4b 238 ± 21.1b 238 ± 20.7a
Control 100 ± 0.0a 46 ± 4.2a 313 ± 19.6a 256 ± 26.4a

Toxicity of Cyclobutrifluram, Fluopyram, Fluensulfone, Hymexazol to second stage juveniles of M_ enterolobii (48h)_

Chemicals Regression Slope SEa EC50 (mg L−1) 95% confidence interval Pb χ2
Cyclobutrifluram 0.425+1.137X 0.144 0.423 0.318~0.537 0.318 3.521
Fluopyram 0.76+1.101X 0.132 0.204 0.157~0.256 0.191 4.748
Fluensulfone −1.408+1.044X 0.189 22.335 17.393~28.908 0.351 3.273
Hymexazol −3.664+1.569X 0.152 216.622 182.532~259.864 0.989 0.123
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