Posts Tagged: Palmer amaranth

Field scouting guide: Palmer amaranth

From Growing Produce by Karli Petrovic | November 27, 2018https://www.growingproduce.com/vegetables/field-scouting-guide-palmer-amaranth/ Field Scouting Guide: Palmer Amaranth This month's field scouting guide concentrates on Amaranthus palmeri S. Watson (Palmer amaranth). We've reached out to...

A quick guide to identifying some pigweed species found in California

According to the CalFlora website (http://www.calflora.org/), 21 species of amaranths occur (to some extent) in California. While many are non-native, a few, including prostrate pigweed (Amaranthus blitoides) and Palmer amaranth (Amaranthus palmeri), are indigenous. While it may be convenient to...

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...

Deep tillage and cover crops for Palmer amaranth control

Glyphosate-resistant (GR) Palmer amaranth is, currently, the most significant weedy pest of cotton grown in the SE US. In order to reduce population size, maximize herbicide efficacy and prevent the development of further resistances, cotton growers must consider using additional mechanical (i.e....

Palmer amaranth seed longevity

Since it was first identified in 2004, glyphosate-resistant Palmer amaranth has become the most significant weedy pest of cotton in the Southeastern United States. When acceptable control is not realized, and Palmer amaranth is allowed to set seed, population densities can become quite high in...

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