The advisers surveyed said one obstacle that makes the herbicide resistance conversation more difficult to broach is that farmers have grown weary of the message.
"There's definitely this fatigue around resistance management," said Dentzman, who began studying farmer perceptions of herbicide-resistant weeds roughly a decade ago. "They've heard it a million times, and it's just exhausting. In the survey, 22% of crop advisers said their customers are tired of hearing about it."
She noted that for many farmers, this fatigue has led to an almost fatalistic attitude where they feel that managing resistance is more complicated, more expensive and more time consuming than they can possibly handle, leading to the belief that a "silver bullet" is the only solution.
"About 18% of crop advisers surveyed said silver bullets were something their customers are constrained by," she said. "I have discovered that a lot of farmers will say that because they feel like there are no other options. They feel like there's going to need to be a silver bullet because they just don't see any other way it's going to happen."
Dentzman added that she's encountered some people who advise growers who feel that they need to "put the fear of God" in them by denouncing any notion of a future silver bullet and chastising them for not taking the issue more seriously.
"That kind of dialog just shuts people down," she said. "It reinforces that fatalistic attitude of 'There's nothing I can do. There's just going to need to be some miracle that comes along and saves the situation.'"
Conflicting information about how to manage herbicide-resistant weeds was also a concern for crop advisers. About 52% of those surveyed agreed or strongly agreed that herbicide retailers sometimes talked their growers out of following their recommendations. More than one-third agreed or strongly agreed that herbicide manufacturers or sales reps provided them with different information about resistance than they provided to customers. Two-thirds agreed or strongly agreed that once growers receive information from a different source, it can be hard to change their minds.
"All of this information comes together, and growers have to figure out who they trust," said Dentzman, also a member of the Herbicide Resistance Education Committee for the Weed Science Society of America. "Ninety-one percent of those advisers we surveyed thought the most effective thing to help their customers manage resistance was to put boots on the ground, get face to face and start building trusting relationships."
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