Archive Nut, Prune and Olive Programs

Scientists at NASA Ames have created a new computer model to simulate the growth and decay of floating aquatic invasive plants, such as water hyacinth and water primrose, on Delta waterways. The model is used to estimate biomass levels throughout the year.

What amazing journeys! For the last two months, migratory monarch butterflies have regularly stopped for flight fuel in our 600-square-foot pollinator garden in Vacaville, Calif. to nectar on Mexican sunflower (Tithonia), butterfly bush (Buddleia) and Lantana.

The California Weed Science Society (CWSS) is preparing for the 69th Annual Conference, January 18-20, 2017 in Monterey and is now accepting applications for the Student Paper and Poster Contest.

There's a lot of work being done in Florida on a pest/disease complex like we have here with Shot Hole Borer and Fusarium fungus Fusarium Dieback. This hits avocados and a lot of other native trees like sycamore, willow and coast live oak.

Newly appointed UC Cooperative Extension agricultural engineering advisor Alireza Pourreza has been awarded the 2016 Giuseppe Pellizzi Prize by the Club of Bologna, an honor presented every other year to the best doctoral dissertations focused on agricultural machinery and mechanization.

They didn't get the memo. Summer is over. Fall is underway. Winter is coming (Dec. 21). But the Gulf Fritillaries (Agraulis vanillae) are still laying eggs on the passionflower vine here in Vacaville, Calif. The eggs are hatching. The caterpillars are eating. The 'cats are pupating.

Beauveria bassiana is a soilborne entomopathogenic fungus which offers plant protection as a pathogen of arthropod pests (Feng et al., 1994; Dara, 2015).

Ever seen a stag beetle? You know, that curious-looking male beetle with mandibles that resemble deer antlers? Now you can not only see a stag beetle, you can wear one. In fact, four of them.

UC IPM Advisor, Pete Goodell, requests your assistance with an alfalfa IPM survey. How much IPM is being used in alfalfa in California? A new survey tool wants to help answer that question and we need your help.

Table 1 shows the results of the 2016 UCCE Delta field corn variety trial, located on Tyler Island. Three replicate blocks of eighteen varieties were planted on April 27th by air planter.