WEED MANAGEMENT STRATEGIES FOR HERBICIDE-TOLERANT COTTON

Date Issued:2012-08-05

Abstract

New weed species and resistance problems in 2012 are the ecosystem's response to our substantial changes in agronomy and weed management over the last two decades. Fleabane and feathertop Rhodes grass require targeted strategies for long-term control, and glyphosate resistance can be delayed or managed with a robust strategy. In all these cases, integrated use of pre-emergent and post-emergent herbicides, tillage and crop rotation is required, and results in a 'patchwork' approach to long-term sustainability of weed management. Simple systems, as we're observing right now, invite a confounding response from the weed flora, so more diverse and complex strategies will be needed in the future

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