Posts Tagged: disease

Molecular Biologist Michelle Heck: Challenges of Citrus Greening Disease

If you grow citrus, you've no doubt heard of the invasive pest, Asian citrus psyllid, Diaphorina citri. ACP they call it. A native of...

Asian citrus psyllid nymphs and adults on stem and leaves of a citrus. (USDA-ARS Photo)

Asian citrus psyllid nymphs and adults on stem and leaves of a citrus. (USDA-ARS Photo)

Walnut Twig Beetle: How a 'Failed' Research Project Led to Success

A scientific research project may initially be deemed a failure, but failure can lead to success.  It did recently at the University of...

Forest entomologists Jackson Audley (left) and the late Steve Seybold next to a black walnut tree, the victim of thousand cankers disease, in downtown Davis. (Photo by Kathy Keatley Garvey)

Forest entomologists Jackson Audley (left) and the late Steve Seybold next to a black walnut tree, the victim of thousand cankers disease, in downtown Davis. (Photo by Kathy Keatley Garvey)

The walnut twig beetle is about the size of a grain of rice. In association with a fungus, it causes thousand cankers disease. (Photo by Kathy Keatley Garvey)

The walnut twig beetle is about the size of a grain of rice. In association with a fungus, it causes thousand cankers disease. (Photo by Kathy Keatley Garvey)

Broccoli Rotations Lower Pathogen Populations and Reduce Disease Incidence of Verticillium Wilt

SUMMARY Two broccoli plantings immediately prior to growing the verticillium-susceptible crop is recommended for best protection Fresh broccoli...

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UC Davis Students Carry on Legacy of Walnut Twig Beetle Expert Steve Seybold

The legacy of chemical ecologist Steven Seybold thrives with the recent publication of two papers by two of his UC Davis...

The walnut twig beetle, Pityophthorus juglandis, in association with a fungus, causes the thousand cankers disease. (Photo by Kathy Keatley Garvey)

The walnut twig beetle, Pityophthorus juglandis, in association with a fungus, causes the thousand cankers disease. (Photo by Kathy Keatley Garvey)

Forest entomologist Jackson Audley (left) with his mentor, the late Steve Seybold, in front of an infested tree in Davis, Calif. The walnut twig beetle, in association with a fungus, causes thousand cankers disease. (Photo by Kathy Keatley Garvey)

Forest entomologist Jackson Audley (left) with his mentor, the late Steve Seybold, in front of an infested tree in Davis, Calif. The walnut twig beetle, in association with a fungus, causes thousand cankers disease. (Photo by Kathy Keatley Garvey)

UC Davis doctoral student Crystal Homicz (right) participating in a forest entomology open house at the Bohart Museum of Entomology. With her is Professor Lynn Kimsey, director of the Bohart. (Photo by Kathy Keatley Garvey)

UC Davis doctoral student Crystal Homicz (right) participating in a forest entomology open house at the Bohart Museum of Entomology. With her is Professor Lynn Kimsey, director of the Bohart. (Photo by Kathy Keatley Garvey)

Jackson Audley: Targeting the Walnut Twig Beetle

Doctoral candidate and forest entomologist Jackson Audley of the UC Davis Department of Entomology and Nematology, targets an invasive bark beetle...

The walnut twig beetle is about the size of a grain of rice. In association with the fungus, Geosmithia morbida, it causes the insect-pathogen complex known as "thousand cankers disease." (Photo by Kathy Keatley Garvey)

The walnut twig beetle is about the size of a grain of rice. In association with the fungus, Geosmithia morbida, it causes the insect-pathogen complex known as "thousand cankers disease." (Photo by Kathy Keatley Garvey)

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