Pollination and fruit set of apple
By: [prepared by R.S. Bekey, D.M. Burgett, and G.C. Fisher].
Contributors: Burgett, D. M.; Fisher, Glenn C.; Oregon State University. Extension Service.
Series: Extension circular / Oregon State University Extension Service -- 1087.; Extension circular (Oregon State University. Extension Service) -- 1087.
Publisher: Extension Service, Oregon State University
Published: 1981
Place of publication: Corvallis, Or
Language: eng
Subjects: Apples -- Pollination.; Fruit -- Development.
Notes: Title from caption.

"July 1981."