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Posts Tagged: invasive

Stinknet, an Emerging Invasive Weed

Stinknet plant. (Credit: Ron Vanderhoff)

I recently attended a Santa Ana River Orange County Weed Management Area (SAROCWMA) meeting and there was an opportunity for participants to update the group about new invasive plants as well as give an update on management of these and others. During...

Posted on Wednesday, August 8, 2018 at 11:00 PM
Tags: California (6), impact (1), invasive (25), noxious (1), pineapple weed (1), plant council (1), stinknet (1), UC IPM (9), weed (1), Wilen (2)
Focus Area Tags: Pest Management

Invasive Spotlight: Wrapping Up California Invasive Species Action Week

Huanglongbing, the disease carried by the Asian citrus psyllid, causes asymmetrical yellow mottling of leaves and odd shape and greening of fruit. (Credit: Dr. Susan E. Halbert)

This week, we put the spotlight on invasive species and how these non-native plants, animals, and pathogens damage California's economy and environment. You Can Make a Difference Shot hole borers and the diseases they carry, and Asian citrus psyllid...

Posted on Saturday, June 9, 2018 at 10:00 PM
Focus Area Tags: Pest Management Yard & Garden

Invasive Spotlight: Japanese Dodder

Spaghettilike stems of Japanese dodder growing on a tree. (Credit: Vince Guise)

When people think of parasites, often what comes to mind are blood-sucking insects like bed bugs, head lice, and fleas or other bodily invaders on or in humans and other animals. But plants can have parasites too. Most of us are familiar with mistletoe...

Posted on Wednesday, June 6, 2018 at 10:00 PM
Tags: California (6), dodder (1), invasive (25), Japanese (1), mistletoe (1), parasitic plant (1), pest management (1), Pest Notes (3), UC IPM (9)
Focus Area Tags: Pest Management Yard & Garden

Invasive Spotlight: Asian Citrus Psyllid and Huanglongbing Disease


As part of our coverage of California Invasive Species Action Week, today we focus on a pair of invasive species that “work” together: an insect called the Asian citrus psyllid and the plant disease it can spread, huanglongbing. Our...

Posted on Sunday, June 3, 2018 at 11:02 PM
Tags: ACP (7), Asian citrus psyllid (8), citrus (2), disease (5), economic harm (1), HLB (4), huanglongbing (8), Invasive (25), pest (8), UC IPM (9)

Citrus Greening Disease Quarantine Extended

Leaf yellowing in one-quarter of citrus tree canopy due to huanglongbing. (M.E. Rogers)

Alert from CDFA Plant Health and Prevention Services The California Department of Food and Agriculture (CDFA) and the United States Department of Agriculture (USDA) have established a 94-square mile quarantine in portions of Riverside and San...

Posted on Wednesday, August 30, 2017 at 3:38 PM
Tags: Asian citrus psylld (3), disease (5), greening (1), huanglongbing (8), invasive (25), pest (8), UC IPM (9)

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