NALDC

The apple maggot

Author:

Porter, B. A.

Source:

Technical bulletin (United States. Dept. of Agriculture) ; no. 66 1928

Year:

1928

Subject:

Apple maggot and Apples -- Diseases and pests

Format:

48 p., 2 p. of plates : ill. ; 23 cm.

Publisher:

U.S. Dept. of Agriculture

Collection:

Organic Roots Collection