Pest Management
Tackling Problematic Weeds in Hazelnuts
Growers need to start early and stay vigilant when managing two weeds that can create havoc at harvest in hazelnuts.
West Coast Nut Reporting
Weed Management
23 Stories · Page 1 of 3
Almonds
New Management Options for Hairy Fleabane and Horseweed in Nut Orchards
Hairy fleabane and horseweed (marestail) are two problematic broadleaf weeds commonly found in California orchards and belong to the Conyza genus…
Nutrition
Grasses Play Key Role in Cover Crop Mixes
Cover crops often contain a mixture of plants that fall into one of four groups: legumes, brassicas, forbs and grasses. Legumes, which include…
Pest Management
Small Changes Before Harvest Can Make a Big Difference for Walnuts
As the growing season moves into summer and closer to harvest, the window for influencing walnut yield and quality begins to narrow. But several…
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 concern for pistachio…
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 boxes. Tolerance to drought, salt and high…
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 are…
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 19th century, particularly…
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 nut orchards.
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.