UC Weed Science (weed control, management, ecology, and minutia)

Common Purslane Biology Steve Fennimore, Extension Specialist UC Davis July appears to be the period of maximum emergence of common purslane (Portulaca oleracea) see figure 1 attached. Purslane is considered a summer weed with peak emergence occurring during warm weather.

Press release (April 28, 2021) from the Weed Science Society of America Have you heard about HRAC's Mode of Action updates?

From the Livestock and Range blog Did you miss the Weed Management for Small Acreage Workshop? Don't worry! Here's the link to all the presentations: https://youtube.com/playlist?list=PLLjlfxpbNglYGn38KY94aoo6z3pLjo7E4.

Watergrass We are having more and more difficulties controlling watergrass over the past 20 or so years. We know that as of the early 2000s, we had found multiple-herbicide resistant late watergrass (also known as mimic), as well as multiple-herbicide resistant barnyardgrass.

Sutter County grows between 300 and 800 acres of fresh-market honeydew, mixed melon and cantaloupe each year. The fields vary between furrow and drip irrigation, with many fields in the Sutter Basin only receiving a pre-irrigation.