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Influence of Simulated Rainfall and Soil Moisture on Herbicidal Activity of Cinmethylin

Published online by Cambridge University Press:  12 June 2017

Steven G. Russell ,
Thomas J. Monaco  and
Jerome B. Weber
Steven G. Russell
Affiliation:
Dep. Hortic. Sci., North Carolina State Univ., Raleigh, NC 27695-7609
Thomas J. Monaco
Affiliation:
Dep. Hortic. Sci., North Carolina State Univ., Raleigh, NC 27695-7609
Jerome B. Weber
Affiliation:
Dep. Crop Sci., North Carolina State Univ., Raleigh, NC 27695-7609
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Abstract

Field trials were conducted in 1986 and 1987 to determine the effects of moisture on herbicidal activity of cinmethylin applied preemergence at 0.0, 0.3, 0.6, and 0.9 kg ai ha to both dry and moist sandy loam soil. Herbicide application was followed by varying amounts of irrigation. Weed species included velvetleaf, prickly sida, green foxtail, and barnyardgrass. When cinmethylin was applied to a moist soil or when 2.5 cm of irrigation was applied 5 days after cinmethylin application to a dry soil, overall weed control was reduced. Optimum weed control resulted from cinmethylin application to dry soil followed either by a 2.5-cm irrigation within 8 h or a 7.6-cm irrigation within 36 h.

Keywords

Cinmethylin, exo-1-methyl-4-(1-methylethyl)-2-[(methylphenyl)methoxy]-7-oxabicyclo[2.2.1]heptanevelvetleaf, Abutilon theophrasti Medik. ♯ ABUTHprickly sida, Sida spinosa L. ♯ SIDSPgreen foxtail, Setaria viridis (L.) Beauv. ♯ SETVIbarnyardgrass, Echinochloa crus-galli (L.) Beauv. ♯ ECHCGIrrigationAbutilon theophrastiSida spinosaSetaria viridisEchinochloa crus-galliABUTHSIDSPSETVIECHCG
Type
Special Topics
Information
Weed Science , Volume 38 , Issue 3 , May 1990 , pp. 267 - 272
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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