plant health Books
16 books in this genre

Control work on the Dutch elm disease in Connecticut, New York and New Jersey, for the winter and spring of 1933-1934
United States. Bureau of Entomology and Plant Quarantine. Division of Plant Disease Eradication and Control

Ribes eradication manual for use in the inland empire
United States. Bureau of Entomology and Plant Quarantine

Protect grain crops from stem rust
United States. Division of Plant Disease Control

Memorandum on the Mediterranean fruit fly prepared for the use of the Subcommittee of the House Committee on Appropriations
United States. Bureau of Entomology

The Plant Quarantine Act, August 20, 1912, as amended March 4, 1913, and March 4, 1917
United States

The gladiolus thrips
United States. Bureau of Entomology and Plant Quarantine

What is known about disease potential of wind-thrown timber; a summary report
United States. Forest Service. Pacific Northwest Region. Division of Timber Management

A lecture on turnip fly, with methods of prevention and remedy
Eleanor A. Ormerod

Control of wireworms on irrigated land in the Pacific northwest
United States. Bureau of Entomology and Plant Quarantine

Report of the joint committee on the European corn borer, appointed by the American assoc. of econ.entomologists, American society of agronomy and the American soc. of agric. engineers
United States. Bureau of Entomology

Report on estimates of damage by the European corn borer in 1935 including losses in selected sweet corn fields
United States. Bureau of Entomology and Plant Quarantine. Division of Cereal and Forage Insects

Outbreak of black grain-stem sawfly in 1934 and comparison of its status with that of the European wheat sawfly
United States. Bureau of Entomology and Plant Quarantine

Notes on injurious insects
Eleanor A. Ormerod

Report of European corn-borer control compaign by the United States Department of agriculture...March 14, 1927 to October 31, 1927, inclusive
United States. Department of Agriculture. National Agricultural Library.

Summary of cooperative grasshopper control campaign of 1934. Prepared for the Grasshopper conference held August 31, 1934 at Denver, Colo
United States. Bureau of Entomology and Plant Quarantine

Forest insect conditions, Malheur National Forest and adjacent timberlands, 1946-1957
United States. Forest Service. Pacific Northwest Forest Experiment Station