Ongoing research

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Citrus tree (UCR News, UC Riverside)
Napa Master Gardener Column: Article

Citrus Tidbits.

July 3, 2020
By Susanne von Rosenberg, UC Master Gardener of Napa County Citrus trees are a familiar sight in Napa County, and many of us grow them. In general, citrus is pretty easy to care for: it just needs consistent water and fertilizer and perhaps frost protection in the winter.
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Giant buckwheat leaves are soft gray green, Laura Lukes

The Giant Wild Buckwheat of California

July 3, 2020
An astounding number of species populate the wild buckwheat genus Eriogonum - over 250, according to the CALFLORA website. And, due to their propensity to hybridize, active speciation continues as we speak. There are species for almost every letter of the alphabet, from A (E. abertianum) to Z (E.
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Photo 1. Typical clubbing of broccoli roots

Does Adjusting Soil pH Control Clubroot of Brassicas?

July 2, 2020
By Kelley L Sivertson
Richard Smith, Vegetable Crops and Weed Science Farm Advisor Steve Koike, TriCal Diagnostics Clubroot disease can be a serious production issue for broccoli, cauliflower, and other brassicas in the Salinas Valley.
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False Chinch Bug Leaf Feeding
Topics in Subtropics: Article

Dry HIlls lead to False Chinch Bugs in the Orchards

July 2, 2020
By Ben A Faber
The rains are gone and the hills are drying. The weeds in the orchards that aren't being hit by the irrigation water are drying up, as well. During winter and early spring, false chinch bug primarily feeds on foliage, stems, and seeds of wild grasses and cruciferous weeds.
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A monarch caterpillar feasting on a tropical milkweed, Asclepias curassavica, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Leave Me Alone, Please--I'm Eating!

July 2, 2020
By Kathy Keatley Garvey
"Leave me alone, please--I'm eating." The monarch caterpillar feasting on the tropical milkweed, Asclepias curassavica, in Vacaville, Calif., kept doing what monarch 'cats do best--eat. She insisted on devouring the leaves as if there were no tomorrow--and today would end soon.
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Article

Thank you and happy 4th of July

July 2, 2020
By Pamela S Kan-Rice
Dear Colleagues, As we prepare to celebrate a physically distanced Independence Day (I do hope you enjoy some safe social connections), I'd like to take this opportunity to wish you a safe and relaxing holiday.
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