NALDC

The oyster-shell scale and the scurfy scale

Author:

Quaintance, A. L. (Altus Lacy) and Sasscer, E. R. (Ernest Ralph)

Source:

USDA

Year:

1916

Subject:

Oyster-shell scale, Scurfy scale, fruit trees, orchards, sulfur, street trees, shade trees, shrubs, scale insects, horticultural oils, insecticidal soaps, plant pests, spraying, ornamental trees, and life cycle (organisms)

Language:

English

Publisher:

U.S. Dept. of Agriculture

Series:

Farmers' bulletin (United States. Department of Agriculture) ; no. 723

Collection:

Organic Roots Collection

Permanent URL:

http://handle.nal.usda.gov/10113/33649