Colusa County
University of California
Colusa County

UC Rice Blog

Winter Grower Meetings 2019

2019 Annual Rice Grower Meetings Sponsored by UC Cooperative Extension -------------- 5 Locations --------------   WHERE & WHEN Richvale:   Thursday, Jan. 17, 8:30am, Evangelical Church, 5219 Church St.,...

Posted on Tuesday, December 11, 2018 at 12:00 AM
Tags: fertility (1), insects (1), meetings (1), rice (9), weeds (16)
Focus Area Tags: Agriculture

Update to the Armyworm Update of August 21

IMG 4178

Today I visited two fields with large moth numbers (Hwy 45 and White Rd, and Hwy 45 at Knights Landing). On the White Rd field, where the traps caught about 80 armyworm moths per night last week, I found at least one worm in all stops I...

Posted on Wednesday, August 22, 2018 at 5:04 PM

Its that time again: Collect Weed Seeds for Herbicide Resistance Testing!

It's that time again! If you would like to submit seeds for herbicide resistance testing, many weed species will be maturing right about now. The UCCE Rice Weeds Program tests grower submitted seed samples of potentially herbicide resistant watergrass...

Posted on Wednesday, August 15, 2018 at 8:59 PM
Focus Area Tags: Agriculture

New Watergrass Species: be on the lookout for this weed!


I have been to several farm calls in the past few weeks with this weed (pictured below). I have seen 7 fields between last year and this year that appear to have bad infestations of this new watergrass species (Echinochloa spp.). We are unsure of the...

Posted on Monday, August 13, 2018 at 9:47 AM

Leafhopper damage


I visited a field with leafhopper damage. What was interesting about this field, is that the leafhopper causing the problem was not the aster leafhopper, which is the common one we have in rice. It was a different, green...

Posted on Friday, August 10, 2018 at 10:10 AM
Tags: arthropods (35), leafhoppers (2)

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