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

Posts Tagged: herbicide

Weed science podcasts

Growing the Valley podcast-Hanson

Have you listened to a Growing the Valley podcast? Here are a couple you might want to check out. Old and New Perennial Weeds with Dr. Brad Hanson In this short episode, Phoebe Gordon chats with Dr. Brad Hanson, Weed Specialist with UC Davis. They...

Posted on Thursday, March 21, 2019 at 1:40 PM
Tags: herbicide (61), herbicide resistance (86), orchard (7), weed (25), weed management (21)
Focus Area Tags: Agriculture Pest Management

What Do These Pesticide Terms Mean?

A retail shelf showing various pesticide containers. (Credit: Cheryl A. Reynolds)

[Originally published as “Pesticide Briefs: What Do These Terms Mean?” in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.] Last summer, we defined what a pesticide is and gave a few examples. Here, we...

Posted on Thursday, February 14, 2019 at 10:24 PM

Drip-applied Kerb (Pronamide) in lettuce

Figure 1. Untreated plot (left) and Pronamide (Kerb at 2.5 pints/A) applied via drip tape (right) 30 days after transplanting of romaine lettuce. Areas most distant from drip tape that supplied herbicide show weed survivorship.

Over the years of Kerb use in lettuce (more like decades) there has been a lot of work on application methods. Our transplanted lettuce in southern California is usually grown on drip and when possible, we like to apply all things through it. Our fields...

Posted on Tuesday, January 29, 2019 at 3:24 PM
Focus Area Tags: Agriculture Pest Management

Season-long weed control in orchard crops with sequential herbicide programs in California orchard crops

Figure 2. Untreated (Panel A) and treatment #5 (Panel B) 150 days after spring treatment.

Summer grass weed species are becoming more troublesome in orchards in the Central Valley of California. Feather fingergrass, junglerice, sprangletop and threespike goosegrass, to name a few, are summer grass weed species that germinate (or in some...

Posted on Saturday, January 5, 2019 at 8:00 AM
Tags: herbicide (61), orchard (7), weed (25), weed control (79)
Focus Area Tags: Agriculture

The Current Status of Herbicide Resistance in California

Weeds in CA with HR to one SOA

Weeds compete with crops for light, water, and nutrients, which can result in yield reductions. Weeds can also interfere with crop production by serving as alternate hosts for pests and pathogens, providing habitat for rodents, and impeding harvest...

Posted on Thursday, January 3, 2019 at 2:25 PM
Focus Area Tags: Agriculture Pest Management

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