UC Weed Science

Italian ryegrass is a major weed in orchards, vineyards, field crops, and fallow fields of California (Figure 1).

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.

Here's UC Cooperative Extension Farm Advisor Scott Oneto showing us how to control yellow starthistle with burning: https://www.youtube.

Here's Patrick Cavanaugh interviewing Guelta Laguerre (UC Davis undergraduate student working in the Al-Khatib Lab.

Here's Patrick Cavanaugh interviewing Drew Wolter (UC Davis graduate student with the Hanson Lab.