Diseases and pests of cultivated plants / J W Eastham and Max H Ruhmann - 72 pages ; 27 cm. - Bulletin (Victoria. Dept. of Agriculture. Horticultural branch); no. 68 . - Bulletin (Victoria. Department of Agriculture. Horticultural branch); no. 68. .

"With article on Sprays and spraying" on title page.


Plant diseases.
Insects.

581.2