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Posts Tagged: Steve Seybold

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)

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)

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)

Posted on Wednesday, December 9, 2020 at 5:11 PM
Focus Area Tags: Environment, Innovation, Pest Management

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)

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)

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)

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)

Posted on Tuesday, November 10, 2020 at 5:00 PM
Focus Area Tags: Economic Development, Environment, Innovation, Pest Management

Forest Entomologist/Chemical Ecologist Steven Seybold: 1959-2019

We are all saddened by the death of noted forest entomologist and chemical ecologist Steven Jon Seybold, a lecturer and researcher with the UC Davis...

Forest entomologist and chemical ecologist Steve Seybold and doctoral student Jackson Audley by a downtown Davis tree with thousand cankers disease. (Photo by Kathy Keatley Garvey)
Forest entomologist and chemical ecologist Steve Seybold and doctoral student Jackson Audley by a downtown Davis tree with thousand cankers disease. (Photo by Kathy Keatley Garvey)

Forest entomologist and chemical ecologist Steve Seybold and doctoral student Jackson Audley by a downtown Davis tree with thousand cankers disease. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, November 20, 2019 at 6:10 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Family, Innovation, Natural Resources, Pest Management

UC Davis Doctoral Student Jackson Audley: On the Road to Improve Forest Health

Forest health promises to take a turn for the better, thanks to forest entomologists like Jackson Audley, a doctoral student at the University of...

Jackson Audley (left) with major professor Steve Seybold in front of a dying black walnut tree on E St. in Davis. (Photo by Kathy Keatley Garvey)
Jackson Audley (left) with major professor Steve Seybold in front of a dying black walnut tree on E St. in Davis. (Photo by Kathy Keatley Garvey)

Jackson Audley (left) with major professor Steve Seybold in front of a dying black walnut tree on E St. in Davis. (Photo by Kathy Keatley Garvey)

Posted on Friday, May 31, 2019 at 3:20 PM
Focus Area Tags: Agriculture, Environment, Health, Natural Resources, Pest Management

A Sign of the Times: Why This Black Walnut Tree Is Dying

If you've ever walked into the courtyard on the 100 block of E Street in downtown Davis, Calif., you've probably noticed the massive black walnut...

Forest entomologists Steve Seybold (right) and Jackson Audley stand by a 150-year-old black walnut tree on the 100 block of E Street. It is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)
Forest entomologists Steve Seybold (right) and Jackson Audley stand by a 150-year-old black walnut tree on the 100 block of E Street. It is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)

Forest entomologists Steve Seybold (right) and Jackson Audley stand by a 150-year-old black walnut tree on the 100 block of E Street. It is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)

Walnut twig beetles tunnel into branches and trunks of walnut (Juglans) where they create galleries for mating and reproduction. In association with a canker producing fungus, Tthey cause a disease known as thousand cankers disease. This tree is in downtown Davis, Calif. (Photo by Kathy Keatley Garvey)
Walnut twig beetles tunnel into branches and trunks of walnut (Juglans) where they create galleries for mating and reproduction. In association with a canker producing fungus, Tthey cause a disease known as thousand cankers disease. This tree is in downtown Davis, Calif. (Photo by Kathy Keatley Garvey)

Walnut twig beetles tunnel into branches and trunks of walnut (Juglans) where they create galleries for mating and reproduction. In association with a canker producing fungus, Tthey cause a disease known as thousand cankers disease. This tree is in downtown Davis, Calif. (Photo by Kathy Keatley Garvey)

This massive, 150-year-old black walnut tree on the 100 block of E Street, Davis, is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)
This massive, 150-year-old black walnut tree on the 100 block of E Street, Davis, is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)

This massive, 150-year-old black walnut tree on the 100 block of E Street, Davis, is dying of thousand cankers disease. (Photo by Kathy Keatley Garvey)

Posted on Friday, May 24, 2019 at 5:00 PM
Focus Area Tags: Agriculture, Environment, Innovation, Natural Resources, Pest Management

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