Archive Nut, Prune and Olive Programs

Diseases, disorders and other plant problems are critical concerns for the wholesale nursery.

In case you missed it, today was National Pumpkin Day. But it ought to be National Squash Bee Day, because the squash bee (my favorite species is Peponapis pruinosa) is an important pollinator of squash and pumpkins. A little bit about the squash bees: Squash bees are specialists; not generalists.

I received the information below regarding Zeus Herbicide (sulfentrazone) that is relevant to the California tree and vine market. The product was registered (supplemental label) for T&V in 2014.

Wild pigs currently exist in 56 of California's 58 counties and can be found in a variety of habitats ranging from woodland, chaparral, meadow, grasslands and in agriculture cropping systems.

So tiny and so destructive. It's about the size of a grain of rice but it's a killer. That's the walnut twig beetle, Pityophthorus juglandis, which in association with a newly described fungus, Geosmithia morbida, causes thousand cankers disease, wreaking havoc on native black walnut trees.

What an interesting and innovative title: "The Ecoinformatics and the Curious Case of Katydids in California Citrus." That's what postdoctoral scholar Bodil Cass of the Jay Rosenheim lab, University of California, Davis, will discuss at her seminar from 4:10 to 5 p.m., Wednesday, Oct.

Many of us have watched in horror and sadness over the previous week as fires consumed much of the beautiful hills and parts of the towns of Napa and Sonoma Counties.

You can't get any more Halloween than a bold (daring) jumping spider with orange spots! This common North American spider was hanging out yesterday on our showy milkweed, Asclepias speciosa, trying to look like a spectator instead of a predator.

As a livestock and natural resources advisor, I don't expect to get questions about fruit trees such as figs.

My dad always said that if you can learn one good thing from a meeting, it was a good meeting. Here's a webinar that might offer something good to for tree growers. Listen in and make up your mind. Monday, October 30th, 2017 9:00 AM 11:00 AM PDT (Time subject to change) Register Here Dr.