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Asulam for Johnsongrass Control in Sugarcane

Published online by Cambridge University Press:  12 June 2017

R. W. Millhollon
R. W. Millhollon*
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., U.S. Sugarcane Field Lab., Houma, LA 70361
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Abstract

Asulam (methyl sulfanilylcarbamate) at 3.3 or 4.5 kg/ha gave 54% and 61% control, respectively, when applied only to the initial infestation of rhizomatous johnsongrass [Sorghum halepense (L.) Pers.] in sugarcane (Saccharum interspecific hybrids). When applied both to the initial infestation and to the regrowth, 81% and 88% control, respectively, were obtained. Both the single and dual asulam treatments produced yields of sugar that were about double the yield of an untreated check and about 90% of the yield of a hand-weeded check. Sugarcane cultivars ‘CP 52-68′, ‘CP 65-357′, ‘CP 61-37′, and ‘L 62-96’ were highly tolerant to single applications of asulam at 4.5 and 6.7 kg/ha and to dual applications of asulam at 3.4 kg/ha. Some cultivars were moderately injured by dual applications of asulam at 4.5 kg/ha.

Type
Research Article
Information
Weed Science , Volume 24 , Issue 5 , September 1976 , pp. 496 - 499
Copyright
Copyright © 1976 by the Weed Science Society of America 

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References

Literature Cited

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