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Pest Management
Timing, Tank Mixes Critical for Silverleaf Nightshade Control
Silverleaf nightshade (Solanum elaeagnifolium) is a perennial broadleaf weed that is widespread in California and has become a…
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Category: Weed Management
Pistachios
Herbicide Trials Show Efficacy Against Silverleaf Nightshade
If you were going to design the worst weed in existence, silverleaf nightshade (SLN) would check all the…
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Walnuts
Preemergent Timing and Rotation Key to Walnut Weed Control
Weed control in California walnut orchards has never been more challenging. Herbicide resistance is spreading, and deep-rooted perennials…
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Weed Management
The Right Herbicide at the Right Time: Suppression of Established Johnsongrass Using Rimsulfuron
Johnsongrass (Sorghum halepense L.) is a perennial grass weed that has troubled California weed managers since the late…
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Orchard Management
Add Weed Suppression to the Many Benefits of Planting Hedgerows Near Orchards
A University of California study has shown established hedgerows can be an effective weed suppression tool in tree…
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Weed Management
Top 5 Ways to Maximize Herbicide Applications in Orchards
Planning and persistence are important factors in reducing problem weed populations in an orchard. Developing a strategy to…
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Weed Management
Exhausting the Weed Seed Bank with Cover Crops
Weeds, much like stocks, can yield dividends in the form of weed seeds if allowed to mature. These…
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Weed Management
Building a Solid Weed Management Program
Effectively reducing weed populations in orchards requires persistence and investment to control weeds before they set seed. Poor…
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Weed Management
Hedgerows Can Enhance Orchard, Pollinator Viability
Hedgerow plantings of native flowering plants adjacent to tree nut orchards is not a common practice in California,…
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Weed Management
5 Things to Know About Weed Suppression in 2025
Tree nut orchards and noxious weeds are not a good combination for maximizing production. Uncontrolled weed populations can…
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