8Kuroda K,Ito S.Migration speed of pine wood nematodes and activities of other microbes during the development of pine wilt-disease in Pinus thunbergii [J].Jpn For Soc,1992,74(5):383-389.
9Kawazu K.Changes in the constituents of pine wood following infection by the pine wood nematode[J].Nippon Nogei Kagaku Kaishi,1990,64(7):1262-1264.
10Kojima K,Kamijyo A,Masumori M,et al.Cell ulase activities of pine wood-nematode isolate with different virulences[J].Jpn Foc Soc,1994,76:258-262.
