“Using different modes of action is a good thing,” he said. “But when it adds cost to the bottom line, growers sometimes seem to be a little reluctant. Roundup’s been too easy, too cheap for too long. Coming here today, I wanted reassurance that I’m not the only one out here believing that there is a problem with resistance management. And it is management. It goes from the seed to the soil to the type of herbicides you use.”
“We don’t have a single silver bullet,” reminded Bryan Young, professor of weed science/agronomy, Southern Illinois University. “We have integrated approaches. We have new herbicide-resistant crop traits, such as the LibertyLink system and future traits. The core of all this is proper herbicide use and a good, effective, postemergence application on emerged weeds that won’t respond to glyphosate anymore.”
“The point of Respect the Rotation is to continue to drive home the message that resistance is a real concern,” emphasized Alan York, professor emeritus with North Carolina State University. “It’s a problem. It’s not going to go away. It’s something we’re going to have to learn to manage and live with.
“We have to continue to fight this thing as hard as we can and try not to stump our toe at any one place, so that we basically have to start back over again,” he added. “We have to get serious about Respecting the Rotation and resistance management.”
Respect the Rotation
The only way to remain profitable in the face of increasing herbicide-resistant weed pressure is to Respect the Rotation – rotation of crops, herbicide modes of action and herbicide-tolerant traits – to increase diversity in every facet of an operation.
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