University of California Rice On-line
University of California Rice On-line
University of California Rice On-line
University of California
University of California Rice On-line

UC Rice Blog

Some Weeds Ahead Of Rice This Year

Mexican sprangletop that has already set seed (about 20 days after rice seeding)

I went out on a few farm calls in the past week, and have noticed a trend. Due to the unusually wet weather this spring, some of the weeds are...

Posted on Thursday, June 22, 2017 at 12:00 AM

Armyworms Are Back

IMG 5433

I have received reports of significant defoliation due to armyworms from several areas: Glenn, Colusa, Butte and Yolo counties. In most...

Posted on Wednesday, June 21, 2017 at 9:06 PM

Armyworm Monitoring 2017 - Week of June 19

Week6

Moth numbers have increased since the week of June 12, specially in the Colusa trap. The degree day model predicted worms in the fifth instar by...

Posted on Tuesday, June 20, 2017 at 2:36 PM

Armyworm update week of June 12

Week3

The number of moths trapped has increased in all locations, except in the North Sutter one (which was already high to begin with). In most fields the...

Posted on Monday, June 12, 2017 at 12:26 PM

Armyworm 2017 update

Week2

Number of moths trapped per day is increasing. Numbers are higher in areas where crop diversity is higher. I haven't seen any worms yet, but they are...

Posted on Wednesday, June 7, 2017 at 11:35 AM
Tags: armyworms (11), arthropods (25)

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