UCCE Master Gardeners of San Joaquin County
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UCCE Master Gardeners of San Joaquin County

Posts Tagged: Alfalfa

Weed control in alfalfa, Canada thistle and Scotch thistle... oh my

Farm Advisors Update 2019-Feb

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:...

Posted on Sunday, March 10, 2019 at 8:00 AM
Focus Area Tags: Agriculture Pest Management

What to do with those tough to control perennial weeds in established alfalfa?

AlfalfaWeeds

The old saying, “Everything's fine until it's not,” comes to mind when dealing with some tough to control perennial weeds in alfalfa production during the summertime. Such was the case for an alfalfa field in the Sacramento Valley, where weed...

Posted on Friday, August 17, 2018 at 3:54 PM
Tags: Alfalfa (18), herbicides (5), weeds (64)
Focus Area Tags: Agriculture Pest Management

Matt Forister: Melissa Blue Butterfly and Colonization of Alfalfa

UC Davis alumnus Matt Forister, McMinn Professor of Biology at the University of Nevada, Reno,  will present a seminar at UC Davis on Wednesday, April 25 on his work with understanding the colonization of alfalfa by the Melissa blue butterfly.

Want to learn more about the Melissa blue butterfly and its colonization of alfalfa? UC Davis alumnus Matt Forister, McMinn Professor of Biology at the University of Nevada, Reno (UNR), will return to UC Davis campus on Wednesday, April 25 to discuss...

UC Davis alumnus Matt Forister, McMinn Professor of Biology at the University of Nevada, Reno,  will present a seminar at UC Davis on Wednesday, April 25 on his work with understanding the colonization of alfalfa by the Melissa blue butterfly.
UC Davis alumnus Matt Forister, McMinn Professor of Biology at the University of Nevada, Reno, will present a seminar at UC Davis on Wednesday, April 25 on his work with understanding the colonization of alfalfa by the Melissa blue butterfly.

UC Davis alumnus Matt Forister, McMinn Professor of Biology at the University of Nevada, Reno, will present a seminar at UC Davis on Wednesday, April 25 on his work with understanding the colonization of alfalfa by the Melissa blue butterfly.

The Melissa blue butterfly, either Lycaeides melissa or Plebejus melissa, basking on an alfalfa plant. (Photo by Matt Forister)
The Melissa blue butterfly, either Lycaeides melissa or Plebejus melissa, basking on an alfalfa plant. (Photo by Matt Forister)

The Melissa blue butterfly, either Lycaeides melissa or Plebejus melissa, basking on an alfalfa plant. (Photo by Matt Forister)

Lassen Farm Advisor's Update

Farm Advisors 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...

Posted on Friday, September 29, 2017 at 8:00 AM
Tags: Alfalfa (18), herbicide (61), myrtle spurge (2), scotch thistle (2)

Common Purslane—problems and management in alfalfa fields

Figure 1. Common purslane. Photo courtesy UC IPM.

We have become aware that common purslane (Portulaca oleracea, Fig. 1) is an increasing problem in alfalfa fields, particularly during the months of July through September. A pest control advisor (PCA) was recently seeking advice on managing purslane in...

Posted on Thursday, August 17, 2017 at 4:32 PM
Tags: Alfalfa (18), glyphosate (31), weed control (80)

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