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Yellow Nutsedge Control by Alachlor

Published online by Cambridge University Press:  12 June 2017

Thomas F. Armstrong ,
William F. Meggitt  and
Donald Penner
Thomas F. Armstrong
Affiliation:
Dep. of Crop and Soil Sci., Mich. State Univ., E. Lansing, MI 48823
William F. Meggitt
Affiliation:
Dep. of Crop and Soil Sci., Mich. State Univ., E. Lansing, MI 48823
Donald Penner
Affiliation:
Dep. of Crop and Soil Sci., Mich. State Univ., E. Lansing, MI 48823
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Abstract

Preplant or preemergence application of 2-chloro-2′, 6′-diethyl-N-(methoxymethyl) acetanilide (alachlor) at 3.36 or 4.48 kg/ha effectively controlled yellow nutsedge (Cyperus esculentus L.) in field and greenhouse studies. Depth of tubers in the soil did not affect response to alachlor. Alachlor at 3.36 kg/ha only controlled yellow nutsedge effectively in soils with less than 6% organic matter. Alachlor at 3.7 × 10-6 M and 1.8 × 10-4 M inhibited growth and killed newly emerging shoots in petri dish cultures. However, alachlor did not inhibit sprouting of yellow nutsedge tubers.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 4 , July 1973 , pp. 354 - 357
Copyright
Copyright © 1973 Weed Science Society of America 

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References

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