Comparison of the Residual Amount of Emamectin Benzoate and the Effect on Pine Wood Nematode, Bursaphelenchus xylophilus according to the Location of Trunk Injection in Pine Trees

Kang, Hyun-Woo; Lee, Ho-wook; Choi, Jaehyuk; Lee, Jong-won; Kwon, Oh-Gyeong; Kim, Dong Soo; Lee, Kwang Soo; Lee, Chang-jun; Kang, Jin Taek; Lee, Dong Woon

doi:10.7585/kjps.2022.26.4.273

kjps

2022

DOI: 10.7585/kjps.2022.26.4.273

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Comparison of the Residual Amount of Emamectin Benzoate and the Effect on Pine Wood Nematode, Bursaphelenchus xylophilus according to the Location of Trunk Injection in Pine Trees

Hyun-Woo Kang¹,

Ho-wook Lee²,

Jaehyuk Choi³

et al.

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2024

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Cited by 2 publications

References 19 publications

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Spatiotemporal Dynamics of Trunk-Injected Pesticide Residue for Management of Pine Wilt Disease in Pinus koraiensis

Kim,

Yoo

et al. 2024

Forests

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This study focused on the persistence, distribution, and efficacy of trunk-injected pesticides in Pinus koraiensis (Korean pine) with regard to controlling pinewood nematodes (PWNs, Bursaphelenchus xylophilus), the causative agent of pine wilt disease (PWD). In this study, we compared pesticide residues in the needles and branches of Korean pine, revealing significant declines in pesticide residues over time after treatments were applied. Notably, abamectin residues decreased from 0.2325 mg/kg to 0.0901 mg/kg in branches over a period of 18 months. In contrast, emamectin benzoate showed a variation in residue decline depending on the formulation, with the residue level in branches decreasing from 0.1220 mg/kg to 0.0328 mg/kg over the same period. From a spatial perspective, the results revealed minimal differences in pesticide residue at varying tree heights, although a decrease in upper canopy residue was observed in some cases. The nematicidal efficacy test demonstrated that none of the treated trees developed PWN symptoms. Overall, the findings suggest that the trunk-injected pesticides abamectin and emamectin benzoate can persist for two years, with the residue levels being sufficient to prevent PWN propagation, even when the levels are below critical inhibition concentrations.

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Spatiotemporal Dynamics of Trunk-Injected Pesticide Residue for Management of Pine Wilt Disease in Pinus koraiensis

Kim,

Yoo

et al. 2024

Forests

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Efficacy and Persistence of Trunk Injection Nematicides Against Pine Wood Nematode, Bursaphelenchus xylophilus in Pine Tree, Pinus densiflora

Lee,

Jeong,

Kim

et al. 2023

kjps

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Comparison of the Residual Amount of Emamectin Benzoate and the Effect on Pine Wood Nematode, Bursaphelenchus xylophilus according to the Location of Trunk Injection in Pine Trees

Cited by 2 publications

References 19 publications

Spatiotemporal Dynamics of Trunk-Injected Pesticide Residue for Management of Pine Wilt Disease in Pinus koraiensis

Spatiotemporal Dynamics of Trunk-Injected Pesticide Residue for Management of Pine Wilt Disease in Pinus koraiensis

Efficacy and Persistence of Trunk Injection Nematicides Against Pine Wood Nematode, Bursaphelenchus xylophilus in Pine Tree, Pinus densiflora

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