Food & Agriculture

Branched broomrape (Phelipanche ramosa) continues to challenge California’s processing tomato industry, particularly in the Sacramento Valley. As a parasitic plant that attaches to tomato roots, its presence threatens both yield and export market access. In a recently published study in Weed Technology, we evaluated the efficacy of chemigated rimsulfuron—a recently registered approach with potential to offer targeted, soil-based suppression of this invasive pest.

Sharing a recent post from the California Invasive Plant Council (Cal-IPC) about a new page on the WeedCUT online decision support tool.

-Brad

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New WeedCUT Feature: BMPs for Herbicide Application Techniques

Confused about what a “drizzle” application is and when to use it? Deciding on the best way to estimate your application rate when using a backpack sprayer? Wondering what your hole spacing should be when using “drill-and-fill”?

A quick post to share a link to a recent January 14, 2025 webinar on Electric Weed Control in Organic Perennial Crops.

Reposted from the "Weeders of the West" blog with author's permission.

Marcelo Moretti summary of research on glufosinate best practices in hops (direct link to article).

-Brad

Posted by jenna.osiensky | January 9, 2025
Marcelo L. Moretti, Oregon State University, Department of Horticulture

A recommendation bulletin has been released for florpyrauxifen-benzyl (Loyant® CA, Corteva Agriscience LLC, Indianapolis, IN, USA) to control cattail plants in California rice fields and permitted under FIFRA Section 2(ee). Cattail (Typha latifolia L.) also known as common cattail or broadleaf cattail is a perennial wetland weed that naturally occurs widely in nearly all North America and are often considered undesirable, weedy, or invasive. Common cattail is cosmopolitan weed that can grow up to 10-ft tall under favorable conditions.