Competition of sicklepod (Cassia obtusifolia) and
redroot pigweed (Amaranthus retroflexus) with cotton (Gossypium hirsutum).
Redroot pigweed is but one of many amaranths; others, such as Jacob's coat, are grown as ornamentals or for their nutritious seeds.
The 1-ton and 2-ton rates worked best in peppermint, reducing barnyard grass, green foxtail, common lambsquarters, henbit, and
redroot pigweed populations by 90 percent several weeks after application.
Of the three, the one-ton and two-ton rates worked best in peppermint, reducing barnyard grass, green foxtail, common lambsquarters, henbit and
redroot pigweed populations by 90 percent several weeks after application.
Number of Weed species seeds/plant Velvetleaf 1500 Yellow nutsedge 2400 Giant foxtail 2500 Pennsylvania smartweed 3000 Barnyardgrass 7000 Common ragweed 15,000 Jimsonweed 23,400 Shepherd's purse 38,500 Curly dock 40,000 Common purslane 52,000 Common lambsquarters 72,000 Stinkgrass 82,000
Redroot pigweed 117,000 Black nightshade 178,000 Russian thistle 200,000 Witchweed 500,000 Table 14-4 Effect of increasing weed densities on crop yields.
1500 [m.sup.2]; hereafter large pond, N 27[degrees]10'50.7", W 81[degrees] 21'10.8") was mostly hypericum with small patches of
redroot (Lachnanthes caroliniana), gallbery (Ilex glabra), fetterbush (Lyonia lucida) and several pine snags (Pinus spp.).
In the current study, the investigators analyzed bronchial epithelial cells after exposure to hydrated short ragweed (Ambrosia artemisiifolia) and
redroot pigweed (Amaranthus retroflexus) pollen grains.
Redroot Pigweed (Amaranthus retroflexus) Young leaves and stems are edible as a cooked green.
Redroot (Ceanothus americana), Blueberry (Vaccinium spp.), Serviceberry (Amelanchier canadensis), Rosa rugosa (Rosa rugosa), Native Hydrangea (Hydrangea arboresens), Fringe Tree (Chionanthus virginica), Prickly Ash (Zanthoxylum americanum), Gingko (Gingko biloba), Birch (Betula spp.), Willow (Salix spp.)
The weed population consisted primarily of the annuals crabgrass [Digitaria sanguinalis (L.) Scop.], green foxtail [Setaria viridis (L.) Beauv.], barnyardgrass [Echinochloa crus-galli (L.) Beauv.], fall panic [Panicum dichotomiflorum Michx.], lambsquarter (Chenopodium album L.), and
redroot pigweed (Amaranthus retroflexus L.), with each species uniformly distributed across the experimental area to form a uniform and dense ground cover.
We first encounter them in their flimsy trailer surrounded by an "untended yard of cheatgrass and
redroot" (even the foliage contributes to the atmosphere).
PAM use also reduced runoff loss of weed seeds (barnyardgrass, kochia,
redroot pigweed, common lambsquarters, and hairy nightshade) 62% to 90%.
In four papers published over the past 6 years, her team showed that the drug can severely stunt the growth of barley, corn, the water fern Azolla filiculoides, and the three common garden weeds
redroot pigweed, broad-leafed plantain, and sheep sorrel.
