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LinkedInPosts Tagged: thistle
Mylitta Crescent: Thistle Lover
Ever seen a Phyciodes mylitta, aka Mylitta Crescent? It's a butterfly that breeds on thistles, such as Cirsium, Carduus and Silybum. The one that visited our yard June 17 wasn't visiting a thistle, however. It landed on a cactus. It's an orange...
Phyciodes mylitta perches on a cactus. (Photo by Kathy Keatley Garvey)
Retractable Landing Gear: Bee Approaches an Artichoke
When you're a honey bee and you're packing pollen and approaching your landing--an artichoke thistle--it's a good idea to clean your proboscis (tongue) first. Caught in flight: a honey bee doing a little grooming. This one hovered like a syrphid fly or flower fly, perhaps waiting...
A honey bee begins cleaning her proboscis (tongue) before landing on a blossoming artichoke. (Photo by Kathy Keatley Garvey)
The honey bee finishes her grooming--cleaning her tongue. (Photo by Kathy Keatley Garvey)
Landing interference? The honey bee spots another bee blocking her landing. (Photo by Kathy Keatley Garvey)
All clear below! A honey bee touches down on the artichoke thistle. (Photo by Kathy Keatley Garvey)
Canada thistle: A very prickly problem in row crop ground
A very spiny plant was dropped off at my office here in Woodland, CA that turned out to be Canada thistle, a noxious weed (Photo 1). This plant is commonly found in the Intermountain area in northern California where it has overtaken fields (Photo 2), but my first encounter here in the...
Weed control in alfalfa, Canada thistle and Scotch thistle... oh my
The February 2019 issue of the Farm Advisor's Update by Tom Getts (Weed Ecology and Cropping Systems Advisor) is out. Contents: Winter Annual Weed Control in Alfalfa (Avoiding Crop Injury with Roundup) Purple Flowers, Pokey Leaves and Deep Roots: Canada Thistle Control Trial Update: Scotch...
Lassen Farm Advisor's Update
Here's the latest issue of the Lassen Farm Advisor's Update newsletter from Tom Getts, Weed Ecology and Cropping Systems Farm Advisor. September 2017 Contents: Controlling Scotch Thistle with Fall or Spring Applications of Herbicides Myrtle Spurge Low Lignin Alfalfa:...
