Perennial weed control with Roundup Ready and BXN cotton

J. D. Everitt, J. W. Keeling, P. A. Dotray, T. S. Osborne

Research output: Contribution to conferencePaperpeer-review


Transgenic crops provide producers with several new options to control perennial weeds. Producers on the Texas Southern High Plains use preplant incorporated and preemergence herbicides which provide effective control of many annual weed species. However, these herbicides have little activity on perennial weeds such as silverleaf nightshade (Solanum eleagnifolium), woollyleaf bursage (Ambrosia grayi), and field bindweed (Convolvus arvensis). These weeds are becoming a problem as they infest more acreage each year. The use of Roundup Ultra in Roundup Ready cotton and Buctril in BXN cotton provide new options to control many of these perennial problem weeds in-season. The objectives of this research are: 1) to evaluate Roundup Ultra and Buctril applications alone or in combination with cultivation for perennial weed control; 2) to determine effects of weed control systems on cotton yield and economic returns; and 3) to evaluate perennial weed control in the years following applications to determine the long-term control of these weeds.

Original languageEnglish
Number of pages1
StatePublished - 1999
EventProceedings of the 1999 Beltwide Cotton Conference - Orlando, United States
Duration: Jan 3 1999Jan 7 1999


ConferenceProceedings of the 1999 Beltwide Cotton Conference
Country/TerritoryUnited States


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