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Citation:

Oak Stand Description Factors and Risk Assessment of Harm Extent of Massicus raddei (Coleoptera: Cerambycidae)

  • Received Date: 2010-10-08
  • Thirteen stand description factors affecting the harm extent of Massicus raddei was studied, and by stepwise regression analysis, three key factors, slope position, DBH and crown density, were selected. The results showed that there was a significant negative correlation between the crown density and the ratio of infected oaks, and a significant positive correlation existed between the other two key factors and the ratio of infected oaks.Using these three key factors, a multiple regression model was established for risk analysis of the harm extent of Massicus raddei.The average difference degree was 0.174 2, so the model is suitable for risk assessment of the harm extent of the pest.
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    [8] 彭龙慧,许永青,唐艳龙,等.林分因子与萧氏松茎象危害程度的关系[J].江西农业大学学报, 2009,29(5):746-750

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Oak Stand Description Factors and Risk Assessment of Harm Extent of Massicus raddei (Coleoptera: Cerambycidae)

  • 1. Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry
  • 2.  Key Laboratory of Forest protection of State Forestry Administration, Beijing 100091, China
  • 3. Quchaihe Forestry Center, Panshi 132303, Jilin, China
  • 4. Kuandian Forest Pest & Disease Control Station, Kuandian 118200, Liaoning, China

Abstract: Thirteen stand description factors affecting the harm extent of Massicus raddei was studied, and by stepwise regression analysis, three key factors, slope position, DBH and crown density, were selected. The results showed that there was a significant negative correlation between the crown density and the ratio of infected oaks, and a significant positive correlation existed between the other two key factors and the ratio of infected oaks.Using these three key factors, a multiple regression model was established for risk analysis of the harm extent of Massicus raddei.The average difference degree was 0.174 2, so the model is suitable for risk assessment of the harm extent of the pest.

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