Madera County
University of California
Madera County

Posts Tagged: weed

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

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

Spiny buttercup: A toxic weed and host for tomato spotted wilt virus

Buttercup infected with tomato spotted wilt virus.

Spiny buttercup (Ranunculus muricatus) is a non-native plant, that is fairly common, especially in wet areas such as meadows. We also find it in crops, including orchards, pastures, and cereal...

Posted on Tuesday, April 17, 2018 at 7:50 AM
Focus Area Tags: Agriculture

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...

Posted on Wednesday, August 16, 2017 at 4:08 PM
 
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