Tag Archives: rice weeds

Start collecting California rice weed seeds for resistance testing

new watergrass species

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 species, sprangletop, smallflower umbrella sedge and bulrush. However, we encourage you to submit ANY species that you suspect to be resistant. We ... Read More »

The heat is on in California

redstem

• By Dr. Steve Linscombe • California rice growers are watching their thermometers as much as they are observing their rice fields these days. Daily high temperatures are forecasted to be well above 100 degrees through Saturday in Colusa — located on the west side of the Sacramento Valley — reaching as high as 110 degrees Fahrenheit on Friday. Temperatures ... Read More »

UC begins surveying rice fields for weeds

Monochoria vaginalis

• By Whitney Brim-DeForest • Similar to the disease survey we did last month, University of California Cooperative Extension will be surveying rice weeds this fall. The survey implementation was funded by the Rice Research Board in 2019, and pending the results of the survey this year, we plan to repeat the survey every five years, similar to the ongoing ... Read More »

Growers achieve near-record yields despite challenges

Arkansas rice harvest near Hazen

Record grain yields were last achieved in Louisiana during the 2014 growing season when we were blessed with very favorable weather conditions. Until 2018, each crop since 2014 had been successively lower yielding than the year before. Louisiana saw constant rainfall and cloudy conditions nearly the entire rice growth period in 2015. In 2016, record flooding occurred when more than ... Read More »