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Phytotoxic Effect of Oxyfluorfen Vaporization

Published online by Cambridge University Press:  12 June 2017

Janet M. Grabowski  and
Herbert J. Hopen
Janet M. Grabowski
Affiliation:
Dep. Hortic., Univ. of Illinois, Urbana-Champaign, IL 61801
Herbert J. Hopen
Affiliation:
Dep. Hortic., Univ. of Illinois, Urbana-Champaign, IL 61801
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Abstract

Under greenhouse conditions, vaporization of oxyfluorfen [2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene] formulations (2 EC, 25 WP, 1G) was studied on cabbage (Brassica oleracea L. var. capitata L. F. alba DC. ‘Market Prize’), tomato (Lycopersicon esculentum Mill. ‘Campbell 37’), cucumber (Cucumis sativus L. ‘Straight 8’), and lettuce (Lactuca sativa L. ‘Salad Bowl’). The emulsifiable concentrate and granular formulations caused vapor injury to plants exposed under glass bell jars. Vapor injury to all species increased when exposure times were increased from 8 to 72 h. Lettuce was the most susceptible test species. Exposure temperatures of 18 and 29 C did not alter the amount of vapor injury apparent on tomato foliage. Oxyfluorfen vapor injury did not reduce dry weight of any test species.

Keywords

Brassica oleraceaLycopersicon esculentumCucumis sativusLactuca sativa
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 33 , Issue 3 , May 1985 , pp. 306 - 309
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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