The leaf blister mite of pear and apple
- Source:
- Farmers' bulletin / United States Department of Agriculture ; no. 722 1916
- Year:
- 1916
- Subject:
- Eriophyidae, Pear -- Diseases and pests, Apples -- Diseases and pests, mites, plant pests, physical control, spraying, kerosene, sulfur, horticultural oils, orchards, and fruit trees
- Format:
- 6 p. [2] : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection