Ongoing research

Bug Squad: Article

Of Butterfly Patterns and Genetic Codes

November 30, 2017
By Kathy Keatley Garvey
Who knew? You've probably watched those colorful painted ladies (Vanessa cardui) fluttering about in your yard, but have you read the newly published research about their wing color patterns and genetic codes?
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Figure 1. Armyworm bucket trap catches were highest in late June.
SJC and Delta Field Crops: Article

Delta Rice Recap 2017

November 30, 2017
By Michelle M Leinfelder-Miles
The 2017 season was marked by weather extremes, including record winter rainfall and high summer temperatures. Despite those, Delta rice growers generally observed an average to above-average season. Total acreage for the Delta south of the Yolo Bypass was roughly 2900 acres.
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Bug Squad: Article

Lady Beetles: The First Ladies of the Garden Having a Ball

November 29, 2017
By Kathy Keatley Garvey
See those red spots on your milkweed seed pods? Lady beetles (aka ladybugs or "garden heroes") are feasting on aphids. And they're having a ball. We've been watching the critters on our milkweed, Gomphocarpus physocarpus, for the last couple of months.
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Bug Squad: Article

What This Katydid Did...

November 28, 2017
By Kathy Keatley Garvey
It's not a question of whether katydid did or didn't. She did. In answer to what-are-we-going-to-see-next-in-insect-sightings-today-in-our-weird-climate-changing patterns, a katydid appeared on our yellow rose bush on Nov. 21 in Vacaville, Calif. And stayed for several days.
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hyphoderma
Topics in Subtropics: Article

Lemons and Rain, O No!

November 27, 2017
By Ben A Faber
So if you have lemons, read this. And if we have rain, really read this. I think because we prune lemons so much, this is more of a lemon problem, because I've never heard of other citrus getting it. It is a wood decay fungus on a lot of other tree species, though.
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Bug Squad: Article

Once Upon a Monarch...

November 27, 2017
By Kathy Keatley Garvey
We first saw her at 10 a.m. on Oct. 27, 2017. She was eating. That's what monarch caterpillars do best. They eat. A lot. "Where have you been?" I asked. "Where have you been hiding? Your siblings have long gone.
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UC Weed Science (weed control, management, ecology, and minutia): Article

Water temperature effect on waterhyacinth regrowth

November 27, 2017
By Guy Kyser
Waterhyacinth (Eichhornia crassipes) is a floating perennial species that has become a serious management issue as it invades aquatic ecosystems around the world.
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chimera witches broom citrus
Topics in Subtropics: Article

Really Wierd Citrus Fruit

November 27, 2017
By Ben A Faber
The whole group of plants we lump under the taxonomic classification of citrus are really changeable. It's out of this changeability that we get new varieties. Some of these can be quite fanciful, almost dream like fruit which is where the origin of the name chimera comes from.
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Bug Squad: Article

Guess How Many Are Coming to Dinner?

November 24, 2017
By Kathy Keatley Garvey
Set a plate for one and you might get three more diners. Such was the case recently in a Sonoma garden when a patch Iceland poppy (Papaver nudicaule) drew a posse of hungry honey bees, all elbowing up to the plate. Iceland poppy is irresistible. Ironically, you won't find Iceland poppy in Iceland.
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