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Posts Tagged: alfalfa

Bohart Museum Virtual Open House: Think Pests of Alfalfa and Rice

Cooperative Extension specialist Ian Grettenberger at work in his lab at UC Davis. (Photo by Kathy Keatley Garvey)

Mark your calendar. The Bohart Museum of Entomology at the University of California, Davis, is hosting a virtual open house dealing with...

Cooperative Extension specialist Ian Grettenberger at work in his lab at UC Davis. (Photo by Kathy Keatley Garvey)
Cooperative Extension specialist Ian Grettenberger at work in his lab at UC Davis. (Photo by Kathy Keatley Garvey)

Cooperative Extension specialist Ian Grettenberger at work in his lab at UC Davis. (Photo by Kathy Keatley Garvey)

Graduate student Madi Hendrick sweeping an alfalfa field for pests.
Graduate student Madi Hendrick sweeping an alfalfa field for pests.

Graduate student Madi Hendrick sweeping an alfalfa field for pests.

In its adult form, the alfalfa butterfly is attractive. In its larval form, it's a pest of alfalfa. (Photo by Kathy Keatley Garvey)
In its adult form, the alfalfa butterfly is attractive. In its larval form, it's a pest of alfalfa. (Photo by Kathy Keatley Garvey)

In its adult form, the alfalfa butterfly is attractive. In its larval form, it's a pest of alfalfa. (Photo by Kathy Keatley Garvey)

Posted on Thursday, October 15, 2020 at 4:57 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Food, Natural Resources, Pest Management

Wrong Place at the Wrong Time

An alfalfa butterfly, Colias eurytheme, nectaring on a Mexican sunflower (Tithonia rotundifolia). (Photo by Kathy Keatley Garvey)

For the first butterfly, it was the right place at the right time. An alfalfa or sulfur butterfly (Colias eurytheme) fluttered into our...

An alfalfa butterfly, Colias eurytheme, nectaring on a Mexican sunflower (Tithonia rotundifolia). (Photo by Kathy Keatley Garvey)
An alfalfa butterfly, Colias eurytheme, nectaring on a Mexican sunflower (Tithonia rotundifolia). (Photo by Kathy Keatley Garvey)

An alfalfa butterfly, Colias eurytheme, nectaring on a Mexican sunflower (Tithonia rotundifolia). (Photo by Kathy Keatley Garvey)

Gotcha! This unfortunate alfalfa butterfly fluttered into the wrong place at the wrong time. In its larval stage, it is a pest of alfalfa. (Photo by Kathy Keatley Garvey)
Gotcha! This unfortunate alfalfa butterfly fluttered into the wrong place at the wrong time. In its larval stage, it is a pest of alfalfa. (Photo by Kathy Keatley Garvey)

Gotcha! This unfortunate alfalfa butterfly fluttered into the wrong place at the wrong time. In its larval stage, it is a pest of alfalfa. (Photo by Kathy Keatley Garvey)

Posted on Thursday, October 1, 2020 at 5:32 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Innovation, Natural Resources, Pest Management

Kearney Alfalfa and Forage Virtual Field Day: September 23, 2020

SJV Mohawk PeteGoodell

SIGN UP TODAY! Date: September 23, 2020 Time: 8:30 AM - 12:00 PM Location: Zoom Meeting Registration: Click here to...

Posted on Tuesday, September 8, 2020 at 9:55 AM
Tags: AgRIC (12), Alfalfa (55), Field Day (6), Forage (8), Sorghum (12), Sugar beets (1)
Focus Area Tags: Agriculture

A Bug That's Not Wanted in the Vineyards

The three-cornered alfalfa leaf hopper, Spissistilus festinus, transmits the grapevine red blotch virus. (Photo by Kathy Keatley Garvey)

Back in July of 2016, a team of researchers affiliated with the University of California, Davis, wrote in the journal Phytopathology that the...

The three-cornered alfalfa leaf hopper, Spissistilus festinus, transmits the grapevine red blotch virus. (Photo by Kathy Keatley Garvey)
The three-cornered alfalfa leaf hopper, Spissistilus festinus, transmits the grapevine red blotch virus. (Photo by Kathy Keatley Garvey)

The three-cornered alfalfa leaf hopper, Spissistilus festinus, transmits the grapevine red blotch virus. (Photo by Kathy Keatley Garvey)

A three-cornered alfalfa leaf hopper, Spissistilus festinus, on a grape leaf. (Photo by Kathy Keatley Garvey)
A three-cornered alfalfa leaf hopper, Spissistilus festinus, on a grape leaf. (Photo by Kathy Keatley Garvey)

A three-cornered alfalfa leaf hopper, Spissistilus festinus, on a grape leaf. (Photo by Kathy Keatley Garvey)

The leaf on the right has grapevine red blotch virus. (Photo by Raul Girardelo, UC Davis)
The leaf on the right has grapevine red blotch virus. (Photo by Raul Girardelo, UC Davis)

The leaf on the right has grapevine red blotch virus. (Photo by Raul Girardelo, UC Davis)

Posted on Wednesday, December 11, 2019 at 4:35 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Innovation, Natural Resources, Pest Management

The Butterfly and the Bee

An alfalfa butterfly, Colias eurytheme, sips nectar from an African blue basil blossom. (Photo by Kathy Keatley Garvey)

It's a strikingly beautiful insect. But in its larval stage, the alfalfa butterfly, Colias eurytheme--also known as the orange sulphur butterfly--is...

An alfalfa butterfly, Colias eurytheme, sips nectar from an African blue basil blossom. (Photo by Kathy Keatley Garvey)
An alfalfa butterfly, Colias eurytheme, sips nectar from an African blue basil blossom. (Photo by Kathy Keatley Garvey)

An alfalfa butterfly, Colias eurytheme, sips nectar from an African blue basil blossom. (Photo by Kathy Keatley Garvey)

A honey bee shadows an alfalfa butterfly, Colias eurytheme, on African blue basil. (Photo by Kathy Keatley Garvey)
A honey bee shadows an alfalfa butterfly, Colias eurytheme, on African blue basil. (Photo by Kathy Keatley Garvey)

A honey bee shadows an alfalfa butterfly, Colias eurytheme, on African blue basil. (Photo by Kathy Keatley Garvey)

Two can get along: the alfalfa butterfly and the honey bee. In its larval stage, this butterfly is a pest. (Photo by Kathy Keatley Garvey)
Two can get along: the alfalfa butterfly and the honey bee. In its larval stage, this butterfly is a pest. (Photo by Kathy Keatley Garvey)

Two can get along: the alfalfa butterfly and the honey bee. In its larval stage, this butterfly is a pest. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, October 8, 2019 at 9:00 AM
Focus Area Tags: Agriculture, Innovation, Pest Management, Yard & Garden

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