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Volume 3 Issue 4
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Article Navigation >  Forest Research  > 1990 >  3(4): 403-406

Citation:
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STUDY ON THE CONTROL OF POPLAR CANKER DISEASE CAUSED BY DOTHIORELLA GREG ARIA

  • 1.

    Forest Research Institute of Tie Ling City

  • 2.

    Forest Pest and Disease Control Station of Tie Ling City

  • 3.

    Forest Bureau of Changtu County

  • 4.

    Forest Pest and Disease Control Station of Faku County

  • 5.

    The Research Institute of Forestry CAF

  • Received Date: 1990-02-05
  • Poplar canker caused by Dothiorella gregaria is a serious disease. The pathogen can cause canker spots, shoot blight and young trees die. Using resistant poplar species such as Populus pyramidalis × cathayana and P. × candcnsis etc. in the north of Liaoning Province can reduce the damages of the disease. Cutting the lateral twigs and the top of young poplar before planting can reduce transpiration and increase resistance of young trees. Planting 1-year roots of poplar trees can be excused from the disease. The disease has the character of latent infection, the effect of chemical control was not obvious after planting, so it must be carried out in the nursery.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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STUDY ON THE CONTROL OF POPLAR CANKER DISEASE CAUSED BY DOTHIORELLA GREG ARIA

  • 1. Forest Research Institute of Tie Ling City
  • 2. Forest Pest and Disease Control Station of Tie Ling City
  • 3. Forest Bureau of Changtu County
  • 4. Forest Pest and Disease Control Station of Faku County
  • 5. The Research Institute of Forestry CAF
  • Received Date: 1990-02-05
  • Available Online: 2012-12-04

Abstract: Poplar canker caused by Dothiorella gregaria is a serious disease. The pathogen can cause canker spots, shoot blight and young trees die. Using resistant poplar species such as Populus pyramidalis × cathayana and P. × candcnsis etc. in the north of Liaoning Province can reduce the damages of the disease. Cutting the lateral twigs and the top of young poplar before planting can reduce transpiration and increase resistance of young trees. Planting 1-year roots of poplar trees can be excused from the disease. The disease has the character of latent infection, the effect of chemical control was not obvious after planting, so it must be carried out in the nursery.

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