pnut pnut Peanut Science 0095-3679 0095-3679 American Peanut Research and Education Society 10.3146/i0095-3679-23-1-6 Articles Flumioxazin for Weed Control in Texas Peanuts (Arachis hypogaea L.)1 W. James Grichar * and A. Edwin Colburn 2 Res. Scien., Texas Agric. Exp. Stn., Yoakum, TX 77995 and former Ext. Agron., Texas Agric. Ext. Serv., College Station, TX 77843. Current address of A. E. Colburn: Southeast Res. and Ext. Ctr., Univ. of Arkansas, Monticello, AR 71656

1 This research was supported in part by grants from the Texas Peanut Producers Board and Valent USA.

 *Corresponding author. 1 1996 23 1 30 36 23 2 1996 American Peanut Research and Education Society 1996 American Peanut Research and Education Society Abstract

Field experiments were conducted in 1991 and 1993 to evaluate flumioxazin alone and in various herbicide programs for weed control in peanut. Flumioxazin alone provided inconsistent control of annual grasses, while the addition of pendimethalin or trifluralin improved control considerably. Pitted morningglory (Ipomoea lacunosa L.) and ivyleaf morningglory [Ipomoea hederacea (L.) Jacq.] control was > 75% when flumioxazin was used alone. Flumioxazin caused early season peanut stunting with some recovery within 4 to 6 wk. Postemergence applications of imazethapyr or lactofen increased peanut stunting.

 Key Words Texas panicum; , Panicum texanum; , ivyleaf morningglory; , pitted morningglory; , peanut injury; , V-53482; , eclipta; , Eclipta prostrata; , yellow nutsedge; , Cyperus esculentus; , citronmelon; , Citrullus lanatus var; , citroides