Agriculture

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Photo 1. Seeded lettuce field being germinated with buried drip.
Salinas Valley Agriculture: Article

Fate of surface applied nitrogen in season-long drip irrigated fields

August 5, 2019
By Michael D Cahn
During the past two years acreage of season-long drip in lettuce has increased rapidly in the Salinas and adjacent valleys. Using drip for the entire crop cycle allows growers to germinate seeded crops with buried tape (Photo 1), and eliminates labor needed for installing and removing sprinklers.
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DBM tendencies jul19
Salinas Valley Agriculture: Article

Update on diamondback moth area-wide monitoring program

August 5, 2019
Last year, this pest was present in large numbers during August and September. The idea is to have additional data from the pheromone traps to inform the IPM decision making process. Below is a table showing the number of moths per day and per trap since February. Table 1.
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Crop injury was the most severe in the plot sprayed with 8 oz./acre (far right). Germination was severely inhibited, and leaf stunting was evident. Far left: herbicide-free plot; middle left: 4 oz./acre; middle right: 6 oz./acre. Pictures were taken on June 14, 2019 (38 days after seeding).
UC Weed Science (weed control, management, ecology, and minutia): Article

Evaluating the performance of a sulfentrazone herbicide on basil

August 4, 2019
By Zheng Wang
The purpose of this research is to collect performance data to support registration of sulfentrazone herbicides on basil. Leafy green and culinary herb growers are affected by a limited number of herbicides, resulting in tremendous manual weed removal.
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2-year old ‘Hamlin’ sweet orange in Florida with red or white particle films
Science for Citrus Health: Article

Using particle films to manage ACP

August 2, 2019
By Barbara Alonso
The particle films are applied to crops to manage environmental challenges like high heat or sunburn, or manage pests, such as aphids or psyllids. Particle films can reduce infestations because the particle films hide the natural plant colors that help some insects find their plant host.
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Infographic showing what is in the revised Pest Management Guidelines for Rice.
UC Weed Science (weed control, management, ecology, and minutia): Article

New resources for integrated weed management in California rice

July 31, 2019
By Kassim Al-Khatib
If you grow rice in California, you already know that effective weed management is not only essential for economical rice production, but also very challenging, complex, and regulated.
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This is the University of California Linnaean Games Team competing at the 2018 meeting of the Entomological Society of America. From left are Zachary Griebenow and Brendon Boudinot of UC Davis, captain Ralph Washington Jr. of UC Berkeley, and Emily Bick of UC Davis. They won the national championship. (ESA Photo)
Bug Squad: Article

Emily Bick: Entomologist Extraordinaire Off to University of Copenhagen

July 30, 2019
By Kathy Keatley Garvey
It's difficult to believe that it was four years ago--four years ago!--that Emily Bick, entomology student extraordinaire, joined the doctoral program in the UC Davis Department of Entomology and Nematology. How fast time passes. Bick will present her exit seminar at 3 p.m., Monday, Aug.
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One of the LGDs in my behavior study - sporting his fancy GPS collar!
Ranching in the Sierra Foothills: Article

Building GPS Collars

July 29, 2019
By Daniel K Macon
As some readers of this blog may know, I'm currently working on a research project examining livestock guardian dog behavior. The back story is this: several years ago, I was invited to demonstrate electro-net and livestock guardian dogs at a workshop on livestock protection tools.
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