Species Profile: Palmer Amaranth. One of the most economically important weeds of corn, cotton, and soybean; some populations are resistant to glyphosate and other herbicides (Ward et al. 2013)

Amaranthus palmeri is a species of edible flowering plant in the amaranth genus. It has several common names, including carelessweed, [1] dioecious amaranth, [2] Palmer's amaranth, Palmer amaranth, and Palmer's pigweed. It is native to most of the southern half of North America. Populations in the eastern United States are probably naturalized ...

Other Common Names: Palmer's pigweed, carelessweed, dioecious amaranth, Palmer's amaranth Weed class: A Year Listed: 2024 Native to: Southwestern United States and Northern Mexico. Is this Weed Toxic?: livestock. Legal listings: Is prohibited or quarantined from entering many states and countries.

Palmer amaranth is one of several weedy pigweed (Amaranthus) species found across Iowa. Prior to the 1980’s redroot pigweed and smooth pigweed were our most common pigweed species, but since the late 1980’s, waterhemp has been our number one pigweed. Less common weedy pigweeds of Iowa fields include Powell amaranth and spiny pigweed.

Palmer amaranth (Amaranthus palmeri) is an aggressive, invasive weed native to the desert regions of the southwest United States and northern Mexico. It slowly infiltrated the southeast United States and has become one of the most significant weed pests of cotton and soybean producers. resistant to glyphosate and ALS herbicides.

Palmer amaranth is among the fastest growing of all weeds. Its photosynthetic rate is very high, even for a C4 species, and its leaves track the sun, which insures a high photosynthetic rate throughout the day (Ehleringer 1983).

2024年5月15日 · Common names: Palmer amaranth, Palmer pigweed, carelessweed, and dioecious amaranth. Latin name: Amaranthus palmeri. “Amaranthus” is derived from the Greek word “amarantus” meaning “everlasting flowers”.

Palmer amaranth (Amaranthus palmeri), a native North American weed also known as careless weed, is recognized as one of the most troublesome weed species in the southern and southwestern United States (Webster, 2001). Palmer amaranth is a short-lived, summer annual plant that readily invades croplands (Steyermark, 1963).

Palmer amaranth Amaranthus palmeri L. Family: Amaranthaceae (pigweed) Life cycle: summer annual Native status: Native to the southwestern USA Habitat: crop fields, disturbed habitats . General description: Erect plant reaching heights of 6 …

Palmer amaranth, also known as Palmer pigweed, is an extremely aggressive, fast-growing species that has become a serious weed problem in vegetable and row crops in the southern half of the United States in recent years. It has also been introduced to …