Control of apple tree borers
Series: Leaflet / U.S. Dept. of Agriculture -- no. 274; Leaflet (United States. Dept. of Agriculture) -- no. 274.
Publisher: U.S. Dept. of Agriculture
Published: 1950
Place of publication: Washington, D.C
Language: eng
Subjects: Apple-tree borers
Notes: Cover title.

"Issued June 1950"--P. ii.

Prepared by the Division of Fruit Insect Investigations, Bureau of Entomology and Plant Quarantine, Agricultural Research Administration.