- Author: Gale Perez
Here's part 4 (final part) of our training videos: Natural areas herbicide calibration. We've broken it up into smaller parts for easier viewing.
- Posted by: Gale Perez
Take a look at the The New York Times article by Margaret Roach
Thanks for sharing Lynn!/span>
- Author: Brad Hanson
I was out in the field today and drove by this fallow field and did two things. First, since I'm a weed scientist, I stopped to take a photo of this weedy streak. Second, because I know the site manager and know he hates weeds, I called to give him a hard time about "missing one".
Any guesses on what happened here? It might help if I told you I'm facing south and this area often has a prevailing wind out of the northwest during winter and early spring. Another clue would be the construction site to my back with minimally managed weeds. One more clue might be the fence behind me still loaded up with Russian thistle carcasses and debris.
Here's a link to the
- Author: Chris McDonald
Stinknet (Oncosiphon piluliferum, aka globe chamomile) is a winter annual that is spreading across Southern California and poses threats to wildlands, rangelands and agricultural areas. Stinknet was first found in western Riverside County in the early 1980's. It slowly spread to surrounding areas and by the late 1990's it was found in over a half dozen locations in Riverside and San Diego Counties. By this time, it had also spread to Phoenix. While stinknet has not been one of the fastest weeds to spread across the state (stinkwort, Dittrichia graveolens, is definitely a top contender for that spot, see here) it is now currently found in...
Johnsongrass? There's an app for that!
JohnsonGrass-JG (Android) and JG-JohnsoGrass (Apple) are apps for your tablet or smartphone that provided useful information about the biology, identification and management of Johnsongrass [Sorghum halepense]. It also contains a “Record” feature that allows the user to help map the distribution of the weed and its spread over time and space.
An important, noxious weed
Johnsongrass is considered a top 10.../h3>/h3>