Johnson grass

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Related to johnsongrass: Sorghum halepense

Johnson grass

or john·son·grass (jŏn′sən-grăs′)
n.
A tall rhizomatous perennial grass (Sorghum halepense) native to the Mediterranean region, sometimes cultivated for forage but widespread as a weed.

[After William Johnson (died 1859), American agriculturalist.]

Johnson grass

or

johnsongrass

n
(Plants) a persistent perennial Mediterranean grass, Sorghum halepense, cultivated for hay and pasture in the US where it also grows as a weed. See also sorghum
[C19: named after William Johnson (died 1859), American agriculturalist who introduced it]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Johnson grass - tall perennial grass that spreads by creeping rhizomes and is grown for fodderJohnson grass - tall perennial grass that spreads by creeping rhizomes and is grown for fodder; naturalized in southern United States where it is a serious pest on cultivated land
sorghum - economically important Old World tropical cereal grass
References in periodicals archive ?
ha-1 provide 90 - 99% control on grassy weeds of johnsongrass and barnyardgrass and broadleaf of velvetleaf and prickly sida in Mississippi field experiment.
Considered by farmers and gardeners to be a noxious weed, Johnsongrass is prolific at growing rhizomes, spreading itself into fields and garden plots and pastures throughout the U.
13: Johnsongrass can give your animals cyanide poisoning if it is young or has been damaged by cutting or trampling.
Bicellular trichomes of johnsongrass (Sorghum halepense) leaves morphology, histochemistry and function.
Lepus alleni was rarely encountered in thick, matted stands of Johnsongrass (Sorghum halepense) or tangled thickets of mesquites and other thorny plants such as lotewood and pricklypear.
with the R biotype of Johnsongrass against graminicides where the initial injury was 30 to 60% (Kevin and Edward 2001).
Seeds of Malva neglecta, barnyard grass (Echinochloa crus-galli) and Johnsongrass (Sorghum halepense) have been provided on natural gene bank of the Research Institute of Forests and Rangelands, Karaj Seed and Plant Centre.
giant ragweed (Ambrosia trifida), curly dock (Rumex crispus), dewberry (Rubus trivialis), blackberry (Rubus oklahomus), johnsongrass (Sorghum hakpense), erect poison ivy (Toxicodendron radicans), broomsedge (Andropogon virginicus), honey locust (Gleditsia triacanthos), American elm (Ulmus americana), and sugarberry (Celtis laevigata).
Effects of surfactants and simulated rainfall on the efficacy of the Engane formulation of glyphosate in johnsongrass, prickly sida and yellow nutsedge.
For example, species such as johnsongrass (Sorghum halepense (L.