Pest Management & Plant Health

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Figure 2. Zembu treated rice plots in 2021. The distinct dark green rice leaves are observed in the Zembu treated plots. The plots with the lighter green are the nontreated and demonstrate the weed pressure in the field.
UC Weed Science (weed control, management, ecology, and minutia): Article

Zembu™: A New Residual Herbicide for Early-Season Weed Control in Water-Seeded Rice

January 21, 2024
By Kassim Al-Khatib, Sarah Marsh Janish
A new herbicide for early-season weed control in water-seeded rice will be available soon. The herbicide active ingredient (a.i.) is pyraclonil, which will be trademarked as Zembu (1.8% a.i.) by Nichino, America Inc. The mode of action is a protox porphyrinogen (PPO)-inhibitor or Group 14.
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Male large black chafer beetles, Holotrichia parallela, flying toward a synthetic sex pheromone (in traps). (Photo courtesy of the Walter Leal lab)
Entomology & Nematology News: Article

Walter Leal and Team Identify Major Sex Pheromone of Severe Ag Pest

January 19, 2024
By Kathy Keatley Garvey
Newly published research led by UC Davis distinguished professor Walter Leal and Jiao Yin of the Chinese Academy of Agricultural Sciences, Beijing, identifies the major sex pheromone receptor gene involved in the unusual 48-hour rhythm clock of the large black chafer beetle, a severe agricultural pe...
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UC Davis distinguished professor emeritus Harry Kaya and UC Davis distinguished professor Lynn Kimsey are longtime friends and colleagues. They are pictured here Dec. 17, 2023 in the Bohart Museum of Entomology. (Photo by Kathy Keatley Garvey)
Entomology & Nematology News: Article

Meet Harry Kaya: A Giant in Entomology and Nematology

January 16, 2024
By Kathy Keatley Garvey
When UC Davis distinguished professor emeritus Harry Kaya visits the Bohart Museum of Entomology and chats with UC Davis distinguished professor Lynn Kimsey, director of the Bohart Museum, it's a reunion of longtime colleagues and friends.
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A cartoon from the William Ja lab. Ja, with the Herbert Wertheim Scripps UF Institute for Biomedical Innovation and Technology in Jupiter, Florida, will speak on "Eat, Excrete, & Die: Regulation of Homeostatic Behaviors and Aging in Drosophila" at 4:10 p.m., Monday, Jan. 22.
Bug Squad: Article

UC Davis Department of Entomology and Nematology Hosting Winter Seminars

January 10, 2024
By Kathy Keatley Garvey
The winter seminars hosted by the UC Davis Department of Entomology and Nematology are underway. All seminars are on Mondays at 4:10 p.m. in Room 122 of Briggs Hall and also will be on Zoom. The Zoom link: https://ucdavis.zoom.us/j/95882849672. No seminar will take place on Monday, Jan.
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January IPM Tips.
Pests in the Urban Landscape: Article

Pest Prevention Tips for Every Month

January 4, 2024
By Lauren Fordyce
Did you know that UC IPM has an online tool that provides month-by-month pest prevention and management tips? It's called the Seasonal Landscape IPM Checklist! You can select your region of California to view activities to do in the landscape each month.
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Entomology & Nematology News: Article

First Seminar of 2024: Adler Dillman to Speak on Nematode Parasitism of Insects

January 3, 2024
By Kathy Keatley Garvey
Nematologist Adler Dillman of UC Riverside will present the UC Davis Department of Entomology and Nematology's first seminar of the year at 4:10 p.m., Monday, Jan. 8 on "Nematode Parasitism of Insects with Toxic Cardenolides." His seminar will be in Room 122 of Briggs Hall and also will be on Zoom.
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Cartoon from the William Ja lab. He will speak on "Eat, Exrete and Die: Regulation of Homeostatic Behaviors and Aging in Drosophila" on Jan. 22.
Entomology & Nematology News: Article

Department's Winter Quarter Seminars Announced

January 2, 2024
By Kathy Keatley Garvey
Seminar coordinator and associate professor Brian Johnson has announced the list of UC Davis Department of Entomology and Nematology seminars for the winter quarter, from Jan. 8 through March 11. All seminars will be on Mondays at 4:10 p.m. in Room 122 of Briggs Hall and also will be on Zoom.
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