Cover Image

Apple powdery mildew and its control in the arid regions of the Pacific Northwest / by D.F. Fisher.

Of control measures -- Dormant sprays. pp. 23.

Saved in:
Bibliographic Details
Main Author: Fisher, D. F.
Corporate Author: United States. Department of Agriculture
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of Agriculture, 1918.
Series:Bulletin of the U.S. Department of Agriculture ; no. 712.
Subjects:
Apple powdery mildew.
Apples > Diseases and pests > Northwestern States.
Apples > Diseases and pests.
United States > Northwestern States.
Table of Contents:
  • Economic importance of powdery mildew. pp. 1.
  • Review of the literature. pp. 2.
  • The causal organism. pp. 4.
  • Dissemination of the fungus. pp. 5.
  • Description of the disease. pp. 6.
  • Susceptibility of varieties
  • Importance of the disease in the Pacific Northwest. pp. 7.
  • Spray injury. pp. 9.
  • Orchard spraying experments : Spraying experiments in 1915
  • Spraying experiments in 1916
  • Spraying experiments in 1917. pp. 10.
  • Injury to fruit and foliage. pp. 20.
  • Spray materials. pp. 21.
  • Summary of control measures
  • Dormant sprays. pp. 23.
  • Pruning experiments. pp. 24.
  • General notes on the contrl of the disease. pp. 25.
  • Conclusions. pp. 26.
  • Literature cited. pp. 28.

Similar Items