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Sugarcane (Saccharum spp. hybrids) Response to Simulated Fallow Field Residues of Metribuzin and Sulfometuron

Published online by Cambridge University Press:  12 June 2017

Donnie K. Miller ,
Edward P. Richard JR.  and
James L. Griffin
Donnie K. Miller
Affiliation:
Department of Plant Pathology and Crop Physiology, Louisiana State University, Baton Rouge, LA 70803
Edward P. Richard JR.
Affiliation:
U.S. Department of Agriculture, Agricultural Research Service, Southern Regional Research Center, Sugarcane Research Unit, P.O. Box 470, Houma, LA 70361
James L. Griffin
Affiliation:
Department of Plant Pathology and Crop Physiology, Louisiana State University, Baton Rouge, LA 70803
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Abstract

Sulfometuron at 17 g ai/ha in the planting furrow (13% of the anticipated fallow-field application rate) inhibited sugarcane emergence and development and ultimately reduced sugar yields in the initial production year by 13% when compared to a weed-free control that contained no herbicide in the planting furrow. Residual levels of metribuzin in the planting furrow representing 100% of the standard fallow-field application rate of 1,680 g ai/ha had no adverse effect on sugarcane development or sugar yield. When applied only to the soil surface immediately after planting, sulfometuron did not injure sugarcane, and sugar yields were equivalent to standard, at-planting, preemergence (PRE) applications of either metribuzin at 2,020 g/ha or a mixture of pendimethalin plus atrazine each at 2,240 g ai/ha. To minimize sugarcane injury, sulfometuron should be kept out of the germinating zone of lateral buds along planted sugarcane stalks.

Keywords

Atrazine, 6-chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diaminemetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-onependimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenaminesulfometuron, 2-[[[[(4,6-dimethyl-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acidsugarcane, interspecific hybrids of Saccharum ‘LCP 82–89.'Herbicide persistenceherbicide residueatrazinependimethalinSACOFDAT, days after treatmentPRE, preemergenceTRS, theoretically recoverable sugar
Type
Research
Information
Weed Technology , Volume 12 , Issue 3 , September 1998 , pp. 454 - 457
Copyright
Copyright © 1998 by the Weed Science Society of America 

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References

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