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Abstract ▼ AI-Helper

As an effort to utilize the pine woods damaged by pine wilt disease, this study analyzed the density of pine wood nematode and compressive strength of damaged trees treated through soaking and fumigating. The density of nematode in Pinus densiflora and Pinus thunbergii woods soaked in wood vinegar a...

As an effort to utilize the pine woods damaged by pine wilt disease, this study analyzed the density of pine wood nematode and compressive strength of damaged trees treated through soaking and fumigating. The density of nematode in Pinus densiflora and Pinus thunbergii woods soaked in wood vinegar and nematicide, and in seawater reduced greatly in 21 days and in 30 days, respectively. When reextracted nematode was injected artificially into healthy trees, infection was not observed after the lapse of six months, and the mean density of Pinus densiflora and Pinus thunbergii was $0.47g/cm^3$ and $0.54g/cm^3$, respectively, and their compressive strengths were $304kgf/cm^2$ and $363kgf/cm^2$, respectively. As to change in the density of pine wood nematode after fumigating, pine wood nematode was detected until the third month in both species, and those detected afterwards were found to be similar nematodes. After 24 months, the mean densities of Pinus densiflora and Pinus thunbergii were $0.54g/cm^3$ and $0.52g/cm^3$, respectively, and their compressive strengths were $353kgf/cm^2$ and $370kgf/cm^2$, respectively.

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