Johnson grass


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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 ?
We recorded that the porcupine excavates and consumes subterranean organs of Johnson grass (Sorghum halepense), purple nutsedge (Cyperus rotundus), stumps of shisham (Dalbergia sissoo) and clipping of its saplings.
8 5-10 Partridge pea 0 0 0 0 0 0 Rattlepods 0 0 0 0 0 0 Corn 0 0 0 0 0 0 Sorghum 0 0 0 0 0 0 Bell pepper 0 0 0 0 0 0 Stylo 0 0 0 0 0 0 Garden pea 0 0 0 0 0 0 Florida beggarweed 0 0 0 0 0 0 Tomato 0 0 0 0 0 0 Crisom clover 0 0 0 0 0 0 Johnson grass 0 0 0 0 0 0 Perennial ryegrass 0 0 0 0 0 0 Hairy indigo 0 0 0 0 0 0 No.
2] quadrat we estimated percentage of ground occupied by bare ground, little bluestem, other grasses (indiangrass, buffalo grass [Buchloe dactyloides], Johnson grass [Sorghum halepense], hairy grama [Bouteloua hirsuta], and others), dicot forbs, and tree canopy as falling into one of seven categories: 0%, 1-5%, 6-25%, 26-50%, 51-75%, 76-95%, or 96-100%.
I tried to convey this to other employees, but I decided if they had never pulled the amount of Johnson grass I had, there was no way for them to understand what I was talking about.
The following were the different biomass samples tested: Bermuda Grass, Centipede Grass, Corn Leaves, Crabgrass, Fescue Grass, Johnson Grass, Pigweed, Spurge Weed, and Zoysia Grass.
Johnson grass produces large quantities of viable seed, while also spreading rhizomatously (Oyer et al.
cuneata) have been established in some areas; and patches of Johnson grass (Sorgum halepense) occur on deeper soils.
Grasses took the cake among the top 10 worst weeds in home gardens with four representatives: crab grass, Bermuda grass, quack grass and Johnson grass.
Vegetation of the grassland sections is dominated by little bluestem (Schizachyrium scoparium), big bluestem ( Andropogon gerardii), lndiangrass ( Sorghastrum nutans), hairy grama (Bouteloua hirsuta), side oats grama (Bouteloua curtipendula), Johnson grass (Sorghum halepense, a non-native species) and southern dewberry (Rubus trivialis).
Table 1: Influence of various concentrations of leaf and root aqueous extracts made from Johnson grass on the germination of receptor medicinal plant seeds.
Johnson Grass Sorghum halepense: This weed is like crab grass on steroids.
When the cotton and corn started growing, so did the weeds and Johnson grass.

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