University of California

Plant damage by air pollution: Visible injury to plants by atmospheric pollutants amounts to annual loss of millions of dollars in some affected areas


John T. Middleton
A. S. Crafts
R. F. Brewer
O. C. Taylor

Authors Affiliations

John T. Middleton is Plant Pathologist, University of California, Riverside; A. S. Crafts is Professor of Botany, University of Californian, Davis; R. F. Brewer is Assistant Chemist in Soils and Plant Nutrition, University of California, Riverside; O. C. Taylor is Assister Horticulturist, University of California, Riverside.

Publication Information

Hilgardia 10(6):9-12. DOI:10.3733/ca.v010n06p9. June 1956.

PDF of full article, Cite this article


Production and quality of an important number of field, flower, fruit, ornamental, and vegetable crops—in many of the important growing areas of California—are adversely affected by air pollution.

Middleton J, Crafts A, Brewer R, Taylor O. 1956. Plant damage by air pollution: Visible injury to plants by atmospheric pollutants amounts to annual loss of millions of dollars in some affected areas. Hilgardia 10(6):9-12. DOI:10.3733/ca.v010n06p9

Also in this issue:

Grape packer-supply operations: Study of costs and efficiency in fresh table grape packing houses indicates potential savings by changes in some plants

Verticillium wilt controlled: Chloropicrin achieves effective control of Verticillium wilt in strawberry plantings if properly applied as soil fumigant

Promising new seedling fig: Conadria variety, a hybrid developed in 30-year fig breeding program, shows promise for both fresh and dried fruit markets

Potato storage at tulelake: Study of five types of insulated wall construction in one building revealed weakness of a single block masonry wall

Storing horseradish stecklings: Overwinter storage of propagation stock for new commercial crop proves to be severe problem for farmers in Tulelake area

Frost damage to walnut kernels: Low temperatures during harvest season may cause injury to kernels resulting in chemical changes that produce rancidity

Navel orangeworm on walnuts: Infestations in northern California orchards dependent on population overwintering in past crop's waste left in field

Copper deficiency of almonds: Applications of copper compounds to trees near Paso Robles produced response in leaf growth, corrected kernel shrivel

Treatment of gladiolus cormels: Hot-water bath treatment of planting stock shows promise as means of controlling serious corm-borne fungus diseases

Citrus flat mite on increase: Light infestations known to occur since discovery of pest in state in 1949 increasing as the use of sulfur sprays decreases

Meat grades and prepackaging: Consumers reactions to grades of meat and prepackaging studied in Berkeley survey of retail buyers preferences

Determining changes in stored peas by use of a reference element

Webmaster Email: wsuckow@ucanr.edu