Cooperative Extension, Sutter-Yuba Counties
University of California
Cooperative Extension, Sutter-Yuba Counties

SacValley Field Crop Blog

Summary of early-season conditions for 2018-2019 fall-planted California small grain crops

Figure 1. Historical (10-year, left) and current (right) seasonal precipitation totals between 10/1/18 and 1/20/2019 in California small grain growing regions.

After a relatively dry start to the rainfall season from October through early November, rainfall in California since November has been above average. About halfway through the rainy season, year-to-date precipitation totals are approximately 20-30%...

Posted on Monday, January 21, 2019 at 2:08 PM

SWEEP Grant Workshop January 30th, 2019

Join us Wednesday, January 30th, 2019 attheUCCE Yolo County Cooperative Extension Office in Woodland for a workshop on the State Water Efficiency Enhancement Program grant application. UC representatives will be on hand to discuss strategies and...

Posted on Tuesday, January 15, 2019 at 4:28 PM
Tags: CDFA (1), grants (1), irrigation (6)
Focus Area Tags: Agriculture

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 other products) for alfalfa in California have been...

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 (2)
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 stages because it contains pyrrolizidine alkaloids (PA)...

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 stated, because not all weeds are created equal. Species...

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

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