Ongoing research

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avocado fruits
Topics in Subtropics: Article

Hot, Dry Weather and Avocado Pollen Viability

May 16, 2014
By Ben A Faber
With hot, dry winds, the question came up this week about whether the hot temperatures or the low humidity would affect pollen viability. It turns out that both day and night time temperatures will affect pollen tube growth.
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A Valley carpenter bee receives a brush of pollen. (Photo by Kathy Keatley Garvey)

Pollen Power

May 15, 2014
By Kathy Keatley Garvey
Female Valley carpenter bees are solid black--except when they're foraging around passion flowers. Then they're black and yellow--the yellow being the color of the pollen transferred to their thorax. Beautiful? Absolutely.
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Strawberry pesticide use-2012b
E-Journal of Entomology and Biologicals: Article

Pesticide use in California strawberries

May 15, 2014
Western tarnished plant bug (Lygus hesperus), also known as lygus bug, is a major pest of strawberries in California. Ideal environmental conditions and the diversity and abundance of crop and weed hosts that support the pest contributed to its increasing populations.
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Spider mites on strawberries
E-Journal of Entomology and Biologicals: Article

Managing spider mites in California strawberries

May 14, 2014
Strawberry field with spider mite infestation. Plants in the lower part of the photo are stunted due to twospotted spider mite damage (Photo by Surendra Dara) Multiple species of spider mites infest strawberries in California.
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UC Weed Science (weed control, management, ecology, and minutia): Article

Weed control in cilantro and parsley

May 14, 2014
By Richard F Smith
From the UC Cooperative Extension Monterey County Crop Notes newsletter (March/April 2014) Excellent weed control is essential for economically producing cilantro and parsley. Both crops have had various weed control challenges over the last few years.
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foamy bark oak
Topics in Subtropics: Article

Decline of Coast Live Oak Trees in Southern California Is Due to Fungus

May 14, 2014
By Ben A Faber
We've been getting reports of coast live oak decline along the coast, well, here's one of the causes: RIVERSIDE, Calif. A fungus associated with the western oak bark beetle is causing a decline in coast live oak trees in Southern California by spreading foamy bark canker disease.
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A bee ballet over a Matilija poppy. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Bee Ballet Over Matilija Poppy

May 13, 2014
By Kathy Keatley Garvey
Whenever you look at the Matilija poppy, you think of a fried egg. White, crepelike flowers (the egg whites) circle a cluster of gold stamens (the yolk).
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uneven peach bloom
Topics in Subtropics: Article

An Unusual Spring

May 13, 2014
By Ben A Faber
We had a pretty mild winter, in spite of the freeze damage that occurred in the Central Valley. Now we are seeing what happens when there's not enough chilling to break bud. There is erratic flowering and leaf out. This can be quite pronounced in such trees as peach and apricots, apples and pears.
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Gulf Fritillary touches down on a blanket flower. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Made for Each Other

May 12, 2014
By Kathy Keatley Garvey
What a perfect match when a Gulf Fritillary butterfly touches down on a blanket flower. They're both reddish-orange and showy. Last weekend we spotted a Gulf Fritillary butterfly (Agraulis vanillae) land momentarily on a blanket flower (Gaillardia), in our bee garden.
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