Sacramento

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An alfalfa butterfly, Colias eurytheme, nectaring on a Mexican sunflower (Tithonia rotundifolia). (Photo by Kathy Keatley Garvey)
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Wrong Place at the Wrong Time

October 1, 2020
For the first butterfly, it was the right place at the right time. An alfalfa or sulfur butterfly (Colias eurytheme) fluttered into our pollinator garden in Vacaville to sip some nectar from a Mexican sunflower (Tithonia rotundifolia). It lingered for several minutes.
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GCLogo01
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Fall Garden Chores: October, November, and December

September 26, 2020
The desire for the peace, exercise, produce, or the beauty gardening brings into our lives seems to be gaining in popularity as we progress toward the end of 2020. Again, this quarter's chores will concentrate on just four chores per month one per week.
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Root-knot nematodes causing galling on tomato roots.
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Managing root-knot nematodes in crop rotations

September 23, 2020
By Rachael Long
A question came up about managing root-knot nematodes in processing tomato and lima bean rotations. Root-knot nematodes are tiny worm-like soil dwelling pests that cause root galling on plant roots, resulting in significant yield and quality losses.
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Ash on butternut squash, J. Alosi
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Safely Cleaning Wildfire Ash from Yards and Gardens

September 23, 2020
The following recommendations for safely clearing ash from outdoor surfaces, including ornamental and edible plants, come from the US EPA, Oregon State University Extension Service, Waste Management, and the Sacramento Bee. Basic Guidelines: Wait until air quality levels are safe for being outdoors.
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The Egg: Greg Kareofelas collected this egg from a narrowleaf milkweed in his Davis yard on Aug. 25. (Photo by Greg Kareofelas)
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A Monarch Named Ruth

September 21, 2020
When a monarch butterfly fluttered into the Davis garden of naturalist Greg Kareofelas and laid an egg on his narrowleaf milkweed, it marked the beginning of a story that ended with the flight of Ruth.
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Blackeye
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Why Aren't My Crops Drying Down?

September 18, 2020
By Sarah E Light, Rachael Long
We cut our blackeye bean (cowpea) research plots at UC Davis almost 3 weeks ago and they're still too green to harvest. If we tried now, the vines would get wrapped around the threshing cylinder.
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irrigATING CITRUS
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Irrigation Conference

September 15, 2020
By Ben A Faber
The California Irrigation Institute is the oldest independent forum on irrigation and water in California founded in 1962. The primary purpose of the institute is to host an annual conference on California water issues, water use efficiency, water quality and surface and groundwater management.
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This migrating monarch flew from a vineyard in Ashland, Ore. to a garden in Vacaville, Calif. in 2016. This amounted to 285 miles in seven days or about 40.7 miles per day, according to WSU entomologist David James, who studies migratory monarchs.(Photo by Kathy Keatley Garvey)
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A 'Very Poor Year' for Monarchs in Pacific Northwest

September 14, 2020
It's been a "very poor year" for monarch butterflies in the Pacific Northwest. So, folks, if you're in their migratory pathway and anticipate seeing them head toward their overwintering sites in coastal California, don't get your hopes up. They're not coming.
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