An analysis of pear psylla populations 1977-79.

Bibliographic Details
Main Author:	Fye, R. E. (Robert Eaton), 1924-
Corporate Author:	United States. Science and Education Administration. Agricultural Research. Western Region
Format:	Government Document Book
Language:	English
Published:	Oakland, Calif. : Agricultural Research, Western Region, Science and Education Administration, U.S. Dept. of Agriculture, 1981.
Series:	Agricultural reviews and manuals. ARM-W. no. 24.
Subjects:	Psylla. Pears > Diseases and pests.

Evans: US Documents (Annex 5th floor)