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LinkedInPosts Tagged: marestail
Horseweed resistance
From the Topics in Subtropics blog ∴ June 15, 2016 Researchers have now confirmed that six glyphosate-resistant weed species have been identified in California. Four have been known to exist for some time; they are horseweed (marestail, Conyza spp.), hairy fleabane, rigid ryegrass and...
Herbicide resistant weeds in your neighborhood
From the Topics in Subtropics blog :: July 5, 2013 It is not always easy to kill weeds with herbicides for several reasons, but if you apply the right material at the right time to susceptible weeds you expect control. But you should never assume it, because resistant weeds rely on this...
Options for Controlling Marestail and Hairy Fleabane in Vineyards
Marestail (Conyza canadensis; aka horseweed) and hairy fleabane (C. bonariensis; aka flax leaf fleabane) are serious weed problems in vineyards in Monterey County. Both plants are summer annuals that germinate in the fall at the onset of the rainy season (October – February), or...
