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Pest/Disease Management

How to Control Thrips in Blueberries

How to Control Thrips in Blueberries

Citrus thrips have been a major nuisance for California blueberry growers, but how do you keep them under control and when should you apply crop protection materials? Is there an organic treatment available? Watch this brief interview UC Cooperative Extension Farm Advisor David Haviland as he answers all these questions. Read more about blueberry pest management in California Fresh Fruit …

CA Red Scale Resurfaces in Citrus Due to Asian Citrus Psyllid Treatments

CA Red Scale Resurfaces in Citrus Due to Asian Citrus Psyllid Treatments

With the threat of the deadly Huanglongbing citrus greening disease coming to the state, California citrus growers are doing all they can to keep the disease vector asian citrus psyllid out of their orchards; however, these treatments are also taking out natural enemies for red scale, causing a resurgence of the pest in California orchards. Watch this brief video as …

Don’t Pack a Pest – April is Invasive! Plant Pest and Disease Awareness Month!

Pest awareness month

The USDA has declared April to be “Invasive Plant Pest and Disease Awareness Month,” during a critical time of year when damaging invasive species emerge and can be easily spread in outdoor items that people pack and move, such as grills, gardening equipment, wading pools, bicycles, and patio furniture. Invasive species are a series problem. They attack trees, plants and …

CA Detections of Citrus Disease HLB up 160 Percent

Stakes at All-Time High for Backyard & Commercial Trees in 2019 Detections of Huanglongbing (HLB), an incurable plant disease that kills citrus trees, increased by 160 percent in 2018 compared to the previous year, signaling the growing threat to the state’s iconic citrus trees, landscape and economy. HLB is spread by a small pest called the Asian citrus psyllid as …

Invasive Nutria Damages CA Waterways — Requesting Farmer Assistance!

Invasive Nutria Damages CA Waterways — Requesting Farmer Assistance!

Rodents of unusual size —California has got them! The new kid on the block is Nutria, a semiaquatic rodent, that has invaded California’s waterways, and is doing a lot of damage.  USDA is asking farmers for help in locating these pests to be removed. Derek Milsaps from USDA-APHIS presented some information on this pest at the Tree & Vine Expo …

Huanglongbing Eradication Status in California Citrus

To date, the deadly citrus greening disease Huanglongbing or HLB has not been found in California’s commercial citrus orchards; however, it’s only a matter of time. HLB strikes continue to be detected in residential areas, and its vector has spread all over the state. Watch this brief interview with Victoria Hornbaker, head of the CDFA’s statewide citrus program, as she …

Research Reveals a New Direction for Halting the Citrus Greening Epidemic

ITHACA, NEW YORK, March 26, 2018—New clues to how the bacteria associated with citrus greening infect the only insect that carries them could lead to a way to block the microbes’ spread from tree to tree, according to a study in Infection and Immunity by Agricultural Research Service (ARS) and Boyce Thompson Institute (BTI) scientists. Citrus greening, also known as …

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