Agriculture

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interconnected root system
Topics in Subtropics: Article

Removing Avocado Suckers with Glyphosate?

October 26, 2020
By Ben A Faber
Ben Faber and Brad Hanson This is not good. You find an avocado tree with sun blotch or it is time to thin the orchard and you remove the offending tree. You know that if you don't remove the sucker, you'll end up with some rootstock growth that just gets in the way of the other trees.
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Professor Diane Ullman of the UC Davis Department of Entomology and Nematology is a co-author of the publication on the Western flower thrips. This image was taken when she was doing research in France.
Bug Squad: Article

Congrats to the Thrips Team!

October 23, 2020
By Kathy Keatley Garvey
Congratulations to the international team of scientists, including UC Davis entomologist and co-author Diane Ullman, on their publication involving the genome analysis of the western flower thrips, an invasive global agricultural pest that feeds on plants and is considered a supervector, spreading p...
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Professor Diane Ullman of UC Davis Department of Entomology and Nematology when she was doing research in France.
Entomology & Nematology News: Article

UC Davis Entomologist Diane Ullman Part of International Team Publishing Key Research on Thrips

October 23, 2020
By Kathy Keatley Garvey
Newly published research by an international team of scientists, including UC Davis entomologist and co-author Diane Ullman, promises to be an important resource on the genome analysis of the western flower thrips, an invasive global agricultural pest that feeds on plants and is considered a superve...
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false chinch bug composite
Topics in Subtropics: Article

False Chinch Bug in New Avocado Plantings

October 23, 2020
By Ben A Faber
The false chinch bug (FCB), Nysius raphanus (Hemiptera: Lygaeidae), is a pest of many plants. FCB is a generalist and has been found to be a problem in many cropping systems such as soybeans, quinoa, tobacco, cotton, broccoli and other Brassicaceae plants.
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bacterial canker classic
Topics in Subtropics: Article

It's not Disease, It's Lichen

October 21, 2020
By Ben A Faber
Not everything you see on a tree's bark is disease, although that's usually the first thought of a plant pathologist. Below are bacterial canker and black streak which are both significant problems in some California avocado orchards. Their cause is normally an issue of water/salt management.
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The larvae of the alfalfa butterfly are major pests of alfalfa. This butterfly is sipping nectar from a Mexican sunflower, Tithonia rotundifolia. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

The Good, the Bad and the Bugly

October 20, 2020
By Kathy Keatley Garvey
The good, the bad, and the bugly... Don't miss the UC Davis Bohart Museum of Entomology virtual open house on alfalfa and rice from 11 a.m. to noon on Thursday, Oct. 22.
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