Spatial distribution, sampling plan, and dispersal for Panonychus ulmi (Koch) (Acari: tetranychidae) on apple in Central Washington
By: by Chi-tung Chen.
Published: 1987
Language: eng
Number of pages: 63
Subjects: Apples -- Diseases and pests -- Washington (State); European red mite.; Spider mites.
Notes: Typescript.

Thesis (M.S.)--Washington State University, 1987.

Includes bibliographies.

WSU:"Department of Entomology."