Archive Nut, Prune and Olive Programs

UC Weed Science (weed control, management, ecology, and minutia): Article

UCCE Vineyard Herbicide Trial Field Meeting

July 7, 2015
By John A Roncoroni, Brad Hanson
Vineyard Herbicide Trial Field Meeting Date: July 21, 2015 Time: 9:00 am 10:30 am Location: Muller Ranch Vineyards 34998 County Road 18, Woodland, CA 95695 UC Cooperative Extension Weed Science Advisor, John Roncoroni will show and discuss the in-field results of an herbicide trial and the options...
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UC Rice Blog: Article

Armyworm outbreak subsiding

July 7, 2015
By Luis Espino
In the past two weeks we saw very high armyworm populations in rice. Many fields had to be treated. However, the pyrethroids, common insecticides used against armyworms, did not provide good control. Applications of carbaryl did not reduce populations either.
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Male sunflower bees, Melissodes robustior, as identified by Robbin Thorp, distinguished emeritus professor of entomology at UC Davis, slumber away on a Mexican sunflower, Tithonia. (Photo by Kathy Keatley Garvey)

Snuggle Bugs

July 6, 2015
By Kathy Keatley Garvey
Just call them "snuggle bugs." Or "snuggle bees." After spending the day chasing the girls and defending their patch of Mexican sunflowers or Tithonia, a cluster of Melissodes robustior males settled down for the night. Their bed last night: a Tithonia leaf curl. Before that, some lavender stems.
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UC Weed Science (weed control, management, ecology, and minutia): Article

59th annual UC Davis Weed Day - July 16, 2015

July 6, 2015
By Brad Hanson
The 59th annual Weed Day at UC Davis will be held next week on Thursday July 16th. It's not too late to register but there are only a few spots left before we reach capacity.
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UC Rice Blog: Article

2015 Rice Production Workshop, July 24th

July 6, 2015
By Luis Espino
UCCE Rice Production Workshop An in-depth workshop that covers the principles and practices of rice production Friday, July 24, 2015 The Refuge Restaurant 1501 Butte House Road Yuba City, CA 95993 Program: 8:30 Sign in, pick up class materials 9:00 Introduction and Workshop Overview 9:10 Rice Growth...
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Topics in Subtropics: Article

Soil Based Irrigation Scheduling

July 6, 2015
By Ben A Faber
. A rule of thumb is that irrigation should be done when about 50% of the water has been depleted from the soil in the plant's root zone. This 50% value, however, allows a buffer of water in the soil in case the weather suddenly turns hot and windy.
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UC Weed Science (weed control, management, ecology, and minutia): Article

A holiday blog about American weeds

July 5, 2015
It's the 4th of July! Time for fireworks! (Yay!) Time for picnics! (Yay!) Time for parades! (Yay!) Time for weeds! (Huh? What?) That's right, weeds. While it is true that many problem pest plant species were imported from Europe and Asia, a lot are also home-grown.
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"Red" is for the red flameskimmer, Libellula saturata. (Photo by Kathy Keatley Garvey).

Hurray for the Red, White and Blue!

July 3, 2015
By Kathy Keatley Garvey
Hurray for the red, white and blue! One more day until we celebrate the birth of our country, Independence Day, and the patriotic colors will be out in force. Insects, also, can be red, white and blue. Take the red flameskimmer dragonfly (Libellula saturata).
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Sunflower bees, Svastra obliqua expurgata, flying to a nesting area in downtown Davis, Calif. (Photo by Kathy Keatley Garvey)

You Can Take That to the Bank!

July 2, 2015
By Kathy Keatley Garvey
They're good bees. You can take that to the bank! The excitement began when Martin Guerena, an integrated pest management (IPM) specialist with the City of Davis, encountered a native bee nesting site Wednesday in front of the U.S. Bank, corner of 3rd and F streets, Davis.
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