Pest Management & Plant Health

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Lady beetle larva dining on aphids on milkweed, UC Davis campus. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

The Incredible Aphid-Eating Machines

August 30, 2018
By Kathy Keatley Garvey
Just call them the "incredible aphid-eating machines." That would be the lady beetles, commonly known as ladybugs (although they are not bugs; they're beetles belonging to the family Coccinellidae, and they're not all "ladies"--some are male!).
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Notes in the Margins: Agronomy and Weed Science Musings: Article

The Biology of Field Bindweed

August 29, 2018
Field bindweed (Convolvulus arvensis) is a perennial plant in the Convolvulaceae family (which is also the family of dodder (Cuscuta spp.), morningglories (Ipomoea spp.), and alkaliweed (Cressa truxillensis)).
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Figure 1. Product labels often look very similar even when the ingredients change. On the left is the product containing zeta-cypermethrin; the one on the right contains carbaryl.
Pests in the Urban Landscape: Article

When Familiar Pesticides Change

August 29, 2018
By Belinda Messenger-Sikes, Karey Windbiel-Rojas
[Modified from the original article in the Summer 2018 issue of the Retail Nursery and Garden Center IPM News] We all have our favorite products, whether it's laundry detergent, shampoo, or a pesticide you know works against the pests in your home or garden.
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Spotted wing drosophila on a raspberry. Both Frank Zalom and Joanna Chiu of the UC Davis Department of Entomology and Nematology faculty, research collaborators, will speak on this pest. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

UC Davis Scientists Heading to Entomology Conference in Brazil

August 27, 2018
By Kathy Keatley Garvey
Three faculty members from the University of California, Davis, will be among those sharing the "people" spotlight at the joint meeting of the XXVII Brazilian Congress and X Latin American Congress of Entomology --and the spotted wing drosophila will be among the insects sharing the "insect" spotlig...
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Notes in the Margins: Agronomy and Weed Science Musings: Article

Upcoming Extension Meetings: September 2018

August 27, 2018
2018 Alfalfa and Forage Field Day Wednesday, September 19, 2018 Kearney Agricultural Research and Extension Center 9240 S. Riverbend Ave.
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Defoliated tamarisk, some willows coming up in the understory.
UC Weed Science (weed control, management, ecology, and minutia): Article

Weed Science is everywhere even on summer vacation!

August 27, 2018
By Thomas J Getts
Heat is something that many Californians are used to, and live with for several months out of the year, but prolonged triple digit heat is not something I am used to in my corner of the state. Sure it gets hot up here in Lassen County, but there is most often a place to retreat from the heat.
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Adult western yellowjacket. (Credit: Jack Kelly Clark)
Pests in the Urban Landscape: Article

Don't Let Yellowjackets Spoil Your Summer

August 26, 2018
By Anne E Schellman
Yellowjackets have a well-deserved reputation for being aggressive since they often sting when defending their nests or when they encounter people while out scavenging for food. This time of year, yellowjacket colony populations are increasing, and people may encounter them more frequently.
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Fig.1. Characteristic window panning injury from Diamondback larva feeding on a broccoli leaf.
Salinas Valley Agriculture: Article

Dealing with Diamondback Moth

August 25, 2018
It has been a couple of rough weeks managing the diamondback moth (DBM), Plutella xylostella (Lepidoptera: Plutellidae), in the Central Coast.
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