- Author: Konrad Mathesius
****UPDATE: DATE MOVED TO FRIDAY APRIL, 22nd TO AVOID RAIN***
Controlling Italian Ryegrass in California Small Grains
Friday, April 22, 2022, 8:45 a.m. – 10:45 a.m.
Intersection of Road 13 and Road 85 Capay, CA 95607
RSVP for Lunch (or use QR Code): https://surveys.ucanr.edu/survey.cfm?surveynumber=37180
GPS: 38.795851, -122.045259
8:45 a.m. Registration, light refreshments
9:00 a.m....
- Author: Konrad Mathesius
- Editor: Brad Hanson
- Editor: Mark Lundy
Summary Note
Mechanical cultivation is a useful tool in controlling herbicide-resistant Italian ryegrass individuals in a rainfed wheat system but is only about half as effective as Axial in reducing overall pressure from Italian ryegrass (expressed as a percentage of total groundcover). Growers should consider multiple approaches (chemical and mechanical) and integrate IPM strategies to reduce the spread of resistance among Italian ryegrass individuals.
Background
Italian ryegrass (Lolium multiflorum) has been shown to be a persistent weed for growers in rainfed winter grass systems. It is particularly problematic due to its...