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Effect of Two Methylcarbamates on Chlorpropham Toxicity to Safflower and Common Buckwheat

Published online by Cambridge University Press:  12 June 2017

K. Kirkland
Affiliation:
Dep. of Crop Sci., Oregon State Univ., Corvallis, Oregon 97331
A. P. Appleby
Affiliation:
Dep. of Crop Sci., Oregon State Univ., Corvallis, Oregon 97331

Abstract

Growth-chamber studies were conducted to determine the effect of p-chlorophenyl-N-methylcarbamate (PPG-124) and 1-naphthyl N-methyl carbamate (carbaryl) on the response of safflower (Carthamus tinctorius L. ‘Gila’) and common buckwheat (Fagopyrum esculentum Moench.) to isopropyl m-chlorocarbanilate (chlorpropham). Addition of PPG-124 or carbaryl did not increase the sensitivity of safflower, a resistant species, to chlorpropham and affected buckwheat, a susceptible species, only at the lowest dosage level.

Type
Research Article
Copyright
Copyright © Weed Science Society of America 

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