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ICIA-0051 for Postemergence Weed Control in Conventional Corn (Zea Mays)

Published online by Cambridge University Press:  12 June 2017

Krishna N. Reddy  and
Prasanta C. Bhowmik
Krishna N. Reddy
Affiliation:
Dep. Plant and Soil Sci., Univ. Mass., Amherst, MA 01003
Prasanta C. Bhowmik
Affiliation:
Dep. Plant and Soil Sci., Univ. Mass., Amherst, MA 01003
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Abstract

A 2-yr field study was conducted to evaluate the efficacy of ICIA-0051 for the control of annual grass and broadleaf weed species in conventional tillage corn. Treatments consisted of postemergence applications of ICIA-0051 alone and in combination with cyanazine or atrazine. ICIA-0051 at 0.6 kg ha-1 alone and in combination with cyanazine or atrazine at 1.1 kg ha-1 controlled large crabgrass, yellow foxtail, fall panicum, common lambsquarters, and redroot pigweed effectively (over 90%). The addition of cyanazine or atrazine at 1.1 kg ha-1 to the lowest rate (0.3 kg ha-1) of ICIA-0051 also improved large crabgrass, yellow foxtail, and fall panicum control by 9, 7, and 26%, respectively. None of the treatments of ICIA-0051 except the highest rate (1.1 kg ha-1) reduced either silage or grain yields of corn.

Keywords

Atrazine, 6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diaminecyanazine, 2-[[4-chloro-6-(ethylamino)-1,3,5-triazin-2-yl]amino]-2-methylpropanenitrileICIA-0051 (formerly SC-0051), 2-[2-chloro-4-(methylsulfonyl)benzoyl]-1,3-cyclohexanedionecommon lambsquarters, Chenopodium album L. ♯ CHEALfall panicum, Panicum dichotomiflorum Michx. ♯ PANDIlarge crabgrass, Digitaria sanguinalis (L.) Scop. ♯ DIGSAredroot pigweed, Amaranthus retroflexus L. ♯ AMAREyellow foxtail, Setaria lutescens (L.) Beauv. ♯ SETLUcorn, Zea mays L.Atrazinebentazoncyanazine2,4-DdicambaSC-0051AMARECHEALDIGSAPANDISETLU
Type
Research
Information
Weed Technology , Volume 5 , Issue 3 , September 1991 , pp. 509 - 512
Copyright
Copyright © 1991 Weed Science Society of America 

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References

Literature Cited

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