Herbicide Systems for Golden Crownbeard (Verbesina encelioides) Control in Peanut¹

W. J. Grichar; D. C. Sestak; W. J. Grichar; D. C. Sestak

doi:10.3146/i0095-3679-27-1-5

ARTICLES

Herbicide Systems for Golden Crownbeard (Verbesina encelioides) Control in Peanut¹

Authors: W. J. Grichar , D. C. Sestak

Abstract

Field studies were conducted in south Texas in 1994 and 1995 to evaluate various soil-applied herbicides alone and in combination with postemergence herbicides for golden crownbeard control. Ethalfluralin preplant incorporated (PPI) followed by imazapic or lactofen postemergence (POST) provided 100% golden crownbeard control. Ethalfluralin PPI followed by oxyfluorfen applied preemergence (PRE) or metolachlor + imazethapyr provided 90% control. Dimethenamid, ethalfluralin, and metolachlor alone failed to adequately control golden crownbeard. Golden crownbeard control was most effective when combination treatments were used (PPI or PRE followed by POST). Effective golden crownbeard control increased peanut yields up to 53% over that of the untreated check.

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Keywords: Groundnut, Weed control, yellowtop

How to Cite: Grichar, W. & Sestak, D. (2000) “Herbicide Systems for Golden Crownbeard (Verbesina encelioides) Control in Peanut¹”, Peanut Science. 27(1). doi: https://doi.org/10.3146/i0095-3679-27-1-5

Author Notes

¹This research was supported by the Texas Peanut Producers Board. Use of trade or common names does not imply endorsement or criticism of the products by the Texas Agric. Exp. Sta. or judgment of similar products not mentioned.