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Volatility of Dichlobenil

Published online by Cambridge University Press:  12 June 2017

J. V. Parochetti,
E. R. Hein and
S. R. Colby
J. V. Parochetti
Affiliation:
Agronomy Department, University of Maryland, College Park
E. R. Hein
Affiliation:
Agronomy Department, University of Maryland, College Park
S. R. Colby
Affiliation:
Agronomy Department, University of Maryland, College Park
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Abstract

Vapor losses of 2,6-dichlorobenzonitrile (dichlobenil) were studied under controlled laboratory conditions by trapping vapors directly in a magnesia silica absorbant. Vapor losses increased with increasing temperature. Herbicide loss from a spray formulation in 3 hr amounted to 10% at 30 C and 18% at 40 C. Volatility increased as the soil moisture level increased from air dryness to field capacity. However, as the moisture level was increased to saturation, vapor losses remained similar to losses at field capacity. Volatility from a granular formulation was reduced when compared to the spray application. Volatility decreased as the cation exchange capacity of the soils increased.

Information

Type
Research Article
Information
Weed Science , Volume 19 , Issue 1 , January 1971, pp. 28 - 31
Copyright
Copyright © Weed Science Society of America 

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References

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