Ongoing research

UC Rice Blog: Article

Shrimp or Midge: What is Affecting the Rice?

June 9, 2025
By Sarah Marsh Janish
When it comes to early season seedling injury, the damages wrought by rice seed midge and tadpole shrimp can be difficult to differentiate. Both are invertebrate pests that feed on young rice seeds and inhibit or terminate rice growth, and both can leave a field devoid of plants. However, taking a closer…
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Coast goldenrod
UC Marin Master Gardeners: Article

Goldenrod (Solidago): a beam of sunshine for the summer-fall garden

June 9, 2025
Goldenrod (Solidago) is a striking California native perennial that’s easy to grow in sunny gardens. A member of the Asteraceae (sunflower) family, it is recognizable by its masses of bright yellow flowers that bloom profusely in late summer and fall. The cheery blooms are a delight in the garden as many…
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Monach caterpillar on tropical milkweed. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

About That Tropical Milkweed...

June 9, 2025
By Kathy Keatley Garvey
 "Tropical milkweed is not the first thing that we need to worry about in monarch butterfly conservation.”So says UC Davis professor and monarch scientist Elizabeth Crone of the Department of Evolution and Ecology.Crone is the senior author of the newly published “Neither Source Nor Trap: Urban Gardens…
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UC Master Gardener Program of Contra Costa County: Event

Seed Saving - OG2025

Event Date
Sep 27, 2025

This hands-on class focuses on saving seeds from food crops and is designed to build local resilience. By learning to save and share seeds adapted to our region, you're not just gardening—you’re building a living legacy and helping grow a community-based seed shed for future generations. Join us and learn…
UC Master Gardener Program of Contra Costa County
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UC Master Gardener Program of Contra Costa County: Event

Gardening with CA Natives / Pollinator Gardens - OG2025

Event Date
Aug 23, 2025

Are you inspired to plant California natives in your garden but overwhelmed by all the choices? Do you want to embrace native landscaping and want a neat and clean look? In this talk, we will present practical steps to select and arrange native plants for different growing conditions including various soil…
UC Master Gardener Program of Contra Costa County
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UC Master Gardener Program of Contra Costa County: Event

Firewise Gardening - OG2025

Event Date
Jul 26, 2025

Although wildfires have beneficial impacts on ecological resources, they have also been catastrophic for many fire-prone communities in California. The threat to life and property is real and it is worthwhile to get prepared for. Join us to learn strategies on how you can reduce your risks by protecting your…
UC Master Gardener Program of Contra Costa County
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UC Master Gardener Program of Contra Costa County: Event

Water in Your Garden / Magic of Mulch - OG2025

Event Date
Jun 28, 2025

What if we told you that mulch could cut your water use by at least a third and build soil that resists both drought and deluge? Join us as we share simple, water-conserving actions you can take to ensure thriving and bountiful gardens, no matter how little or how much water shows up. Whether you garden…
UC Master Gardener Program of Contra Costa County
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Fresno County Vegetable Crops: Page

Research Reports

Viruses IR-4 Evaluation of alternatives to regulated neonicotinoid insecticides for reduction of Beet curly top virus incidence in processing tomato in California, 2024Evaluation of insecticide programs in processing tomatoes for the management of BCTV and TSWV vectors and virusesEffect of insecticide…
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field crops
Grown in Marin: Event

Field Crop Insect and Weed Management Webinar

Event Date
Aug 6, 2025

In this webinar, Nicholas Clark, Associate Cooperative Extension Area Agronomic Cropping Systems and Nutrient Management Advisor, will give an introduction of agronomic cropping systems and their current weed and insect pest management challenges. He will describe specific pest-crop interactions and the IPM…
Grown in Marin
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