Manage Fall Weeds in CA Orchards
Aggressive weeds are becoming more and more difficult to control in California tree fruit and nut crops. With waning effectiveness of some post-emergence herbicides, dealing with these threats becomes increasingly important and challenging. As Broadworks® herbicide is the only group 27 herbicide in trees, it is a good rotation choice for resistance management.
Two weeds that are particularly difficult to control are hairy fleabane and marestail. Both can grow in similar situations and look alike, especially as seedlings. These weeds directly compete with young trees for soil nutrients, water and sunlight. They interfere with harvesting, host insects, and reduce tree height and vigor. All these factors can lead to yield loss.
When facing these weeds, we recommend Broadworks in a tank mix with another efficacious residual herbicide. As discussed in our previous post, this pre- and post-emergence herbicide controls glyphosate-resistant weeds like marestail and hairy fleabane, while also providing broad spectrum control of broadleaf species.
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