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Pest/Disease Management

Mealybug Management – In or Out of Sync

UC IPM Advisor David Haviland recently shared some tips on mealybug control. The goal is to lower mealybug populations, prevent movement, protect the cluster and keep the vines compatible for biocontrol (especially postharvest). Some insecticides effective against vine mealybug include: Chlorpyrifos (delayed-dormant treatment), Buprofezin (best against crawlers), Spirotetramat (foliar applied/systemic in the phloem and xylem), and Neonicotinoids (some soil, some …

Spiderman Says Be A Superhero And Don’t Store Pesticides Near Kids!

Sacramento, Calif., (October 31, 2017) – Every year, county agricultural commissioners, who handle enforcement of state pesticide laws in the field, receive several reports of injuries resulting from improper pesticide storage. Commonly, such accidents involve pesticides placed in food or beverage containers. One such incident in April involved a toddler in Los Angeles. The girl, just 21 months old, was …

Don’t Miss the Grape, Nut & Tree Fruit Expo at the Fresno Fairgrounds

Don’t miss the annual Grape, Nut & Tree Fruit Expo coming to the Big Fresno Fairgrounds on November 14th, put on by American Vineyard, California Fresh Fruit, and Pacific Nut Producer Magazines.  The Expo will feature educational grower seminars, and state of the grape, nut, and tree fruit industry addresses by Gary Schulz of the Citrus Research Board, Ian LeMay of the California Fresh Fruit …

New Pesticide Labels Available to Help Control Pruning Wound Infections

Sacramento, Calif., (October 19, 2017) – Topsin® M WSP and Rally® 40WSP now have 2EE labels to protect pruning wounds on almonds (and other stone fruit trees and/or grapes) from canker disease infection. These products should be especially helpful in protecting young trees where disease infection of relatively large pruning cuts may cause extensive damage. — Canker diseases listed on …

Advances in Pistachio Production Short Course Offered Nov. 14-16

Visalia, Calif., (October 13, 2017) – UC Agriculture and Natural Resources will be offering a three-day, multi-topic Pistachio Production Short Course on Nov. 14-16, 2017. Held in Visalia, this course will provide participants with the latest information and research from several UC experts on pistachio orchard production, field preparation, planting, pruning, economics, diseases, integrated pest management, and harvesting. The course is designed …

Medfly Infestation Triggers Quarantine In Portion Of Solano County

Sacramento, Calif., (October 9, 2017) – A quarantine has been declared due to a Mediterranean fruit fly (Medfly) infestation n Solano County. A total of four adult males and one unmated female have been detected. The United States Department of Agriculture (USDA), the Solano County Agricultural Commissioner, and the California Department of Food and Agriculture (CDFA) are working collaboratively on this …

Karen Ross To Headline California Citrus Conference

2017 CALIFORNIA CITRUS CONFERENCE

Visalia, Calif., (October 10, 2017) – The California Citrus Conference, scheduled for October 11, will feature California Department of Food and Agriculture (CDFA) Secretary Karen Ross as its keynote speaker. All those associated with the California citrus industry are invited to attend the free one-day event of presentations and demonstrations sponsored by the Citrus Research Board (CRB) at the Wyndham …

Avocado Pest Meeting in Fallbrook, Sept. 28

Fallbrook, Calif., (September 25, 2017) – The California Avocado Commission is putting on one final grower field day this year, featuring presentations on crop estimating, reading avocado trees and energy efficiency programs for irrigation pumps. Topics include: Crop estimating to help growers better predict their grove’s yield for next year; how to read avocado trees going into winter— tree nutrition, grove …

Advances in Prune Production Meeting, Sept. 26

prune meeting

Want to learn about the recent advances in prune research and how they impact your prune management practices? Attend the UC Cooperative Extension’s upcoming meeting on Tuesday, September 26th at the Ord Bend Community Hall (3241 CA-45, Glenn, CA) from 9 a.m. to 3 p.m. The meeting will feature UC Davis Plant Pathologist Themis Michailides, who will talk about cytospora …

Medfly Infestation Triggers Quarantine In Portion Of Los Angeles County

Sacramento, Calif., (September 15, 2017) – A quarantine has been declared due to a Mediterranean fruit fly (Medfly) infestation detected in the Sun Valley neighborhood in northern Los Angeles County.  Two adult males, nine females, and 55 larvae have been detected. The U.S. Department of Agriculture (USDA), the Los Angeles County Agricultural Commissioner, and the California Department of Food and …

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