Ongoing research

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UC Davis distinguished professor Art Shapiro spotted two cabbage white butterflies today (Feb. 8) in West Sacramento, Yolo County. These weren't them. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Bingo! First Cabbage White Butterfly of the Year!

February 8, 2023
By Kathy Keatley Garvey
In between the rain and the cold, UC Davis distinguished professor Art Shapiro of the Department of Evolution and Ecology has been searching in vain for the first white cabbage butterfly (Pieris rapae) of the year.
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Nutrition Policy Institute News: Article

Nutrition Policy Institute showcases text messaging innovation to improve CalFresh participants purchasing of California-grown produce at virtual CalFresh Forum

February 8, 2023
By Danielle Lee, Ron Strochlic
The annual CalFresh Forum, hosted by Nourish California in partnership with the California Department of Social Services, brings together key stakeholders from across California to acknowledge outstanding work, identify opportunities, and discuss strategies to improve the reach and impact of CalFres...
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lemon oil spray damage
Topics in Subtropics: Article

Lemons and Oil and Water Spots

February 8, 2023
By Ben A Faber
A recent call came through inquiring about the cause of water spotting or "staining" on lemons from a coastal orchard. The orchard was sprayed for pests using a horticultural oil in October and at harvest, the spotting was noted.
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Washington State University logo
UC Weed Science (weed control, management, ecology, and minutia): Article

Job announcement :: Horticultural Weed Scientist

February 7, 2023
By Gale Perez
Washington State University (WSU), Department of Crop and Soil Sciences (CSS) within the College of Agricultural, Human, and Natural Resources Sciences (CAHNRS), is seeking a dynamic, motivated, and problem-solving researcher and extension specialist to join an extraordinary team of scientists and e...
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A screenshot from the Urban Pyrethroid and Fipronil Use: Runoff and Surface Water Protection course offered by UC IPM.
Pests in the Urban Landscape: Article

Online IPM Course Discount for 2023

February 7, 2023
By Lauren Fordyce
UC IPM's online courses for 2023 are now available! All of UC IPM's courses can be accessed for free. However, if you need Continuing Education Units (CEUs) and a certificate of completion, most courses require payment.
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