Archive Nut, Prune and Olive Programs

Argentine Ant is a very aggressive invader that disrupts native ant populations and at the same time disrupts biocontrol agents that help control, such pests as scale, aphids and mealy bugs in citrus and other tree crop species.

As noted during our May 11th Field Day presentation in Davis, during the 2016-17 season darkening/purpling glumes (as depicted in Image 1) were widely observed in common spring wheat both within the UC Regional testing program and by growers and crop consultants around the San Joaquin and Sacramento...

It was not a good way to welcome an admiral. The Red Admiral butterfly, that is. The Vanessa atalanta fluttered into our pollinator garden on Sunday, July 16 in Vacaville, Calif., and touched down on a Mexican sunflower (Tithonia).

Here's a video (produced by Ray Lucas of UC ANR Communications Services) of the field tour of Weed Day 2017. https://youtu.

What do professors do for fun and camaraderie?

Santa Maria strawberry grower, Dave Peck Different people have defined sustainable agriculture or food production in different ways.

Rain is unusual in that it germinates weed seeds and then the need to manage them in some fashion arises. Many subtropical tree growers do not like the potential impact of pre-emergent herbicides on tree growth due to potential damage to shallow roots.

The Bohart Museum of Entomology at the University of California, Davis, will celebrate National Moth Week on Saturday night, July 22 with an indoor-and-outdoor open house featuring blacklighting; moth displays including the Trump moth, and free refreshments of hot chocolate and cookies.

Most of the time, I see red. Occasionally, I see spots. Red? The flameskimmer dragonflies (Libellula saturata) that hang out in our pollinator garden. Spots? The 12-spot dragonfly, Libellula pulchella.

In case you weren't able to attend the 61st Annual Weed Day hosted by the UC Davis Weed Science Program and the UC Weed Research and Information Center, here's what you missed: First, we had fantastic weather, only getting into the 90s by the end of the tour and an excellent turnout with around 140...