Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Sulfur dioxide injury on citrus: Riverside tests show orange trees to be resistant to plantdamaging air pollutant at known atmospheric concentrations

Authors

Ellis F. Darley
John T. Middleton
J. B. Kendrick

Authors Affiliations

Ellis F. Darley is Associate Plant Pathologist, University of California, Riverside; John T. Middleton is Plant Pathologist, University of California, Riverside; J. B. Kendrick, Jr., is Associate Plant Pathologist, University of California, Riverside.

Publication Information

Hilgardia 10(1):9-9. DOI:10.3733/ca.v010n01p9. January 1956.

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Abstract

Concentrations of sulfur dioxide—an important plant-damaging constituent of the atmosphere—vary from 0.01 part per million—ppm—to 0.24 ppm, and average about 0.06 ppm in the south coastal plain of California.

Darley E, Middleton J, Kendrick J. 1956. Sulfur dioxide injury on citrus: Riverside tests show orange trees to be resistant to plantdamaging air pollutant at known atmospheric concentrations. Hilgardia 10(1):9-9. DOI:10.3733/ca.v010n01p9
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