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Rules and regulations of Bureau of Entomology and Plant Quarantine
By United States. Bureau of Entomology and Plant Quarantine
Pest control by chemical, biological, genetic, and physical means
Pest control by chemical, biological, genetic, and physical means
By American Association for the Advancement of Science. Section on Agriculture. Meeting

Division of plant disease eradication and control, Barberry eradication
By United States. Bureau of Entomology and Plant Quarantine

Insecticides in Agriculture and Environment
By Albert S. Perry,Izuru Yamamoto,Isaac Ishaaya,Rika Y. Perry

Image Library for Nematology Vol. 1 (World Biodiversity Database CD-ROM Series)
By

Releases of beneficial organisms in the United States and Territories, 1981
By Jack R. Coulson

Plant signals in interactions with other organisms
By Penn State Symposium in Plant Physiology (8th 1993 Pennsylvania State University)

Agromyzidae (Diptera) Plant Pests
By Owen Lonsdale,Sean T. Murphy,Sonja J Scheffer

Narcissus bulb quarantine revoked
By United States. Bureau of Entomology and Plant Quarantine

Recommendations for the control of insects attacking certain vegetables, small fruits, and tobacco, and the elimination of harmful insecticidal residues from the market product
By United States. Bureau of Entomology and Plant Quarantine

Outline of control programs of the Bureau of entomology and plant quarantine
By United States. Bureau of Entomology and Plant Quarantine

Outline of plan of operation for the cooperative protection of crops against Mormon crickets during 1938
By United States. Bureau of Entomology and Plant Quarantine

Control of the pecan nut case-bearer
By United States. Bureau of Entomology and Plant Quarantine

Memorandum to users of Miscellaneous publication no. 189
By United States. Bureau of Entomology and Plant Quarantine
![Cover of Memorandum for the secretary [re insect control] by united states. bureau of entomology and plant quarantine](https://covers.openlibrary.org/b/id/12734655-M.jpg)
Memorandum for the secretary [re insect control]
By United States. Bureau of Entomology and Plant Quarantine

Pick up and destroy peach "drops". U.S.D.A. Bureaus of entomology and plant industry in cooperation with Georgia state board of entomology
By United States. Bureau of Entomology

Illustrative educational material
By United States. Bureau of Entomology and Plant Quarantine

Codling moth control program for 1935
By United States. Bureau of Entomology and Plant Quarantine

Rules and regulations of Bureau of entomology and plant quarantine... effective December 31, 1939
By United States. Bureau of Entomology and Plant Quarantine

Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective December 31, 1949
By United States. Bureau of Entomology and Plant Quarantine

Rules and regulations of Bureau of entomology and plant quarantine... Effective December 31, 1938
By United States. Bureau of Entomology and Plant Quarantine

Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective January 1, 1949
By United States. Bureau of Entomology and Plant Quarantine