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Early Growth Effects of Flurazole as a Safener against Acetochlor in Grain Sorghum (Sorghum bicolor)

Published online by Cambridge University Press:  12 June 2017

Lucinda A. Jackson ,
George Kapusta  and
John H. Yopp
Lucinda A. Jackson
Affiliation:
Plant and Soil Sci. Dep., Southern Illinois Univ., Carbondale, IL 62901
George Kapusta
Affiliation:
Plant and Soil Sci. Dep., Southern Illinois Univ., Carbondale, IL 62901
John H. Yopp
Affiliation:
Bot. Dep., Southern Illinois Univ., Carbondale, IL 62901
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Abstract

Flurazole [phenylmethyl 2-chloro-4-(trifluoromethyl)-5-thiazolecarboxylate] and acetochlor [2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide] were examined in the laboratory and greenhouse for effects on grain sorghum [Sorghum bicolor (L.) Moench ‘G-522 DR’]. Flurazole did not protect against acetochlor-induced inhibition of primary root growth when sorghum was grown in distilled water, but some safening occurred after 8 days when nutrients were available. Flurazole did not protect primary roots completely. In the presence of nutrients, however, flurazole stimulated growth of the mesocotyl roots and protected the second adventitious root system.

Keywords

Root growthnutrient effectsantidoteprotectant
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 33 , Issue 5 , September 1985 , pp. 740 - 745
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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