Madera County
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Madera County

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Have You seen this Injury Symptom in alfalfa? We need your help in understanding this crop injury

Glyphosate Injury Alfalfa1-Stunting

Have you seen this crop injury in your Roundup-Ready Field or conventionl field? If so, we want to hear from you. We are asking alfalfa growers everywhere to look for the following symptoms (below)...

Glyphosate Injury Alfalfa1-Stunting
Glyphosate Injury Alfalfa1-Stunting

Posted on Friday, February 22, 2019 at 6:21 PM

'Goating Off' - Grazing with Goats During Winter Months an Effective Management Tool

Goats grazing an alfalfa field, Yolo County, 2019.

In a period when we've had high rains, it's very difficult to manage excessive winter growth in a Mediterranean climate. We're familiar with the term 'sheeping-off' for describing the use of sheep...

Posted on Wednesday, January 23, 2019 at 1:04 PM

Long-Term Hay Exports have Increased Dramatically, but are Dampened by Recent Trade Disputes

Figure 1. Old and New Methods of Hay Making

Alfalfa and grass hays produced in the US ending up feeding dairy cows in Riyadh or Bengbu? Who would have thought? What was once a minor curiosity has fully emerged as a major market for western US...

Posted on Tuesday, January 22, 2019 at 9:23 AM
  • Author: Daniel H Putnam
  • Author: William Matthews
  • Author: Tristan Hanon
  • Author: Daniel Sumner

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 (36), groundsel (2), weed (1)
Focus Area Tags: Pest Management

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