From the Small and Organic Farm Advisor Blog
Johnsongrass in organics: Mow it?
Yes, mow it! Mowing works to at least prevent seed spread and regular mowing will weaken rhizomes.
Seed establishment has the greatest potential for the establishment and spread of johnsongrass and must be prevented. Therefore, mowing works to at least prevent seed spread. An individual plant can produce 28,000-30,000 seeds and a single inflorescence can measure 1,240 seeds...
Here's UC Cooperative Extension Farm Advisor Scott Oneto showing us how to control yellow starthistle with burning:
Here's Patrick Cavanaugh interviewing Guelta Laguerre (UC Davis undergraduate student working in the Al-Khatib Lab.)
Original source: California Ag Today Podcasts with Patrick Cavanaugh/h3>
Here's Patrick Cavanaugh interviewing Drew Wolter (UC Davis graduate student with the Hanson Lab.)
Original source: California Ag Today Podcasts with Patrick Cavanaugh/span>
- Author: Thomas Getts
Over the past two seasons I have been involved with testing an experimental herbicide for weed control in alfalfa. There was an initial trial implemented at the Intermountain REC in Tulelake California during the 2019 growing season. The main goal of the trial was to test crop safety of an experimental herbicide on alfalfa where applications were made between cuttings. As I was already putting a trial out, it seemed worthwhile to test various other treatments for comparative crop safety. (Some of the treatments tested are registered for use between cuttings, others are not. Both registered and unregistered products were tested. Always read and follow the label whenever using a pesticide).
However, this blog post is not going to...