Ongoing research

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hover fly avocado flower
Topics in Subtropics: Article

Avocado Pollinators Are Not Just Honeybees

June 18, 2021
By Ben A Faber
A recent publication points out the need for identifying and improving habitat for avocado pollinators. The role of insect pollinators in avocado production: A global review Keira Dymond, Juan L. Celis-Diez, Simon G. Potts, Brad G. Howlett, Bryony K. Willcox, Michael P. D.
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Potassium deficiency in olive leaves, UC Regents
The Real Dirt: Article

Understanding Fertilizers and Amendments

June 18, 2021
What do those numbers on bags and boxes of fertilizer and soil amendments really mean? And what is the difference between a fertilizer and an amendment? Whether a material is considered an amendment or a fertilizer depends on its effect on plant growth.
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True armyworms.
SJC and Delta Field Crops: Article

2021 Delta Rice Armyworm Trapping Begins

June 17, 2021
By Michelle M Leinfelder-Miles
Armyworms have long been a pest of rice, but 2015 was an outbreak year, and high populations have continued in subsequent years. We don't really know why this is happening, but it could relate to higher minimum winter temperatures (i.e.
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Six people facing an instructor giving a lesson about trees.
The Stanislaus Sprout: Article

#BigDigDay a Great Success!

June 17, 2021
By Anne E Schellman
On June 4, UCCE Stanislaus County Master Gardeners hosted BigDigDay, a day of giving to ask the community to support the programs they care about.
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Three white and orange insects with waxy strands covering a leaf.
Pests in the Urban Landscape: Article

Giant Whitefly: A Tiny Pest

June 17, 2021
By Belinda Messenger-Sikes
The giant whitefly is not a gargantuan monster out of an old sci-fi movie, although it is quite a bit larger compared to other whiteflies. Whiteflies are typically tiny insects that are hard to spot on plants unless they are flying, but the giant whitefly is more obvious.
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UC Rice Blog: Article

Bakanae - can it survive in the soil?

June 17, 2021
By Luis Espino
I got a question from a grower recently about Bakanae. The grower is seeing bakanae affected plants in the same field where the disease was observed last year. The question was if Bakanae can survive in the field.
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