- Posted by:: Gale Perez
From the California Ag Today website on March 21, 2018
https://californiaagtoday.com/herbicide-limits-plantings-cilantro/
Caparol Label Change Sought To Reduce Plant-Back Restrictions Following Cilantro
By Patrick Cavanaugh, Editor, California Ag Today
Cilantro production is important in California and more growers are planting it. However,...
/span>- Author: Gale Perez
Here's the latest issue of the Lassen Farm Advisor's Update newsletter from Tom Getts, Weed Ecology and Cropping Systems Farm Advisor.
September 2017 Contents:
- Controlling Scotch Thistle with Fall or Spring Applications of Herbicides
- Myrtle Spurge
- Low Lignin Alfalfa: Is It Right For You?
- Upcoming Events
Download and view the newsletter here.
HTML Link:
- Posted by: Gale Perez
The Western IPM Center's May 2017 newsletter just came out.
The IPM VIDEO OF THE MONTH is on a robotic herbicide sprayer that targets weeds.
- Author: Whitney Brim-DeForest
- Posted by: Gale Perez
From the UC Rice Blog ι April 25, 2017
BUTTE®, a rice herbicide, has received federal registration in the USA and will be available to California rice growers for the upcoming 2017 season. Gowan Company, along with SDS Biotech and Nissan have collaborated to bring this product to California rice growers.
BUTTE® is a granular into-the-water herbicide that combines two modes of action: an HPPD-inhibitor (benzobicyclon), and an ALS-inhibitor (halosulfuron). It is the first HPPD-inhibitor available to California rice growers. Since weeds in CA rice have widespread herbicide resistance,...
- Author: Whitney Brim-DeForest
- Posted by: Gale Perez
We talk about herbicide resistance all of the time in California rice, but how does it evolve in a field? Understanding how herbicide management selects for resistant populations is an important part of preventing the problem from occurring in your fields.
We have many weed species in CA rice that are confirmed to be herbicide resistant. The major herbicide-resistant species are late watergrass, early watergrass, barnyardgrass, smallflower umbrella sedge, ricefield bulrush (roughseed), sprangletop, and redstem. For this illustration of how herbicide resistance evolves in a field, we use redstem as our example.
Year 1, Beginning of season: A population of redstem is found in a...