Madera County
University of California
Madera County

ANR Blogs

New restrictions for chlorpyrifos (e.g. Lorsban) use in alfalfa in California

Harvesting insecticide trials for weevil control in alfalfa, Yolo County, UCCE, 2018.

An important change has come to California insect management tools and strategies for alfalfa and other crops. As of January 1, 2019, new restrictions on the use of chlorpyrifos (e.g., Lorsban and...

Posted on Monday, January 7, 2019 at 10:09 AM
  • Author: Rachael Freeman Long
  • Author: Ian Grettenberger
  • Author: Michael Rethwisch
  • Author: Dan Putnam
Tags: #ucipm (3)
Focus Area Tags: Agriculture

Keep Common Groundsel Uncommon!

Seedling Groundsel

As you're thinking about winter weed management in alfalfa production, keep in mind the need for common groundsel control. Groundsel (Senecio vulgaris) is highly toxic to livestock at all growth...

Posted on Friday, December 21, 2018 at 7:00 AM
Tags: alfalfa (35), groundsel (2), weed (1)
Focus Area Tags: Pest Management

A Pain in the Asteraceae - Identifying Important Winter Weeds in Alfalfa

Hairy Fleabane

The first step in developing a successful weed management program is being able to properly identify the species that are infesting a field. But why? Why is weed identification so important? Simply...

Posted on Wednesday, December 19, 2018 at 2:37 PM
Focus Area Tags: Agriculture Pest Management

SJC and Delta Field Crops Meeting

UC Cooperative Extension will host the SJC and Delta Field Crops Meeting on Thursday, January 17, 2019 from 8:00am to 12:00pm. The meeting location is the Cabral Agricultural Center in...

Posted on Monday, December 10, 2018 at 1:43 PM
Tags: agric (10)

‘Sheeping off’ alfalfa is a win-win for all!

'Sheeping off' alfalfa fields in the wintertime benefits alfalfa growers and sheep herders in that sheep get feed and alfalfa growers get weevil and weed control benefits and thatch removed for higher quality hay.

‘Sheeping off' or grazing alfalfa fields in the fall and winter, when alfalfa fields are dormant and not growing very fast is frequently of benefit to both alfalfa growers and sheep producers....

Posted on Wednesday, December 5, 2018 at 7:24 PM
Tags: #IPM (1)
Focus Area Tags: Agriculture

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