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Yellow Nutsedge, Giant Green Foxtail, and Fall Panicum Control in Corn

Published online by Cambridge University Press:  12 June 2017

J. V. Parochetti
J. V. Parochetti*
Affiliation:
Dep. of Agron., Univ. of Maryland, College Park, MD 20742
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Abstract

In a 3-year field study in corn (Zea mays L.), several herbicides and combinations were studied for the control of yellow nutsedge (Cyperus esculentus L.), giant green foxtail [Setaria viridis var. major (Gaud.) Posp.], and fall panicum (Panicum dichotomiflorum Michx.). Best yellow nutsedge control (87 to 88%) resulted from applications of 4.48 kg/ha of either alachlor [2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide] preplant incorporated or atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine] preplant incorporated plus atrazine postemergence with a phytobland oil. Between 72 to 83% control of yellow nutsedge resulted from applications of 2.24 kg/ha of alachlor, 4.48 kg/ha of butylate (S-ethyl diisobutylthiocarbamate), and combinations of atrazine plus butylate. Greater than 90% control of giant green foxtail and fall panicum resulted from butylate plus atrazine or alachlor; postemergence applications of atrazine resulted in significantly less control of fall panicum or giant green foxtail.

Type
Research Article
Information
Weed Science , Volume 22 , Issue 1 , January 1974 , pp. 80 - 82
Copyright
Copyright © 1974 by the Weed Science Society of America 

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References

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