Posts Tagged: hairy fleabane

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...

Getting horseweed and hairy fleabane back under control in central California

While both horseweed and hairy fleabane have been here since farming began in the region, it's only since about 2003 that they have become such an obvious problem, particularly in tree and vine systems and non-crop areas. In the past, the traditional use of combinations of pre- and postemergence...

Dormant Weed Control in Tree Nut Crops 2014

Here's an article from the San Joaquin County Field Notes newsletter (Feb. 2014.) Dormant Weed Control in Tree Nut Crops 2014 Mick Canevari, Farm Advisor Emeritus Brent Holtz, Pomology Farm Advisor and UCCE County Director Brad Hanson, Extension Weed Specialist, UC Davis Current dry weather...

Compensatory growth and seed production: A tale of two weeds

Talking Points: Weed control failures can and do occur. Weed control failures occur for many reasons, including improper treatment applications and plant size and development at the time of treatment. Plants that aren't completely controlled can produce viable seed and re-infest...

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