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Johnson Grass

 
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Johnson grass (Sorghum halepense) is a plant in the grass family, Poaceae
Poaceae

Poaceae or Gramineae is a family in the Class Liliopsida of the Magnoliophyta. Plants of this family are usually called grasses; the shrub- or tree-like plants in this family are called bamboo ....
, native to the Mediterranean region, but growing throughout Europe
Europe

Europe is, conventionally, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural , the Caspian Sea, and by the Caucasus Mountains to the southeast....
 and the Middle East
Middle East

File:GreaterMiddleEast1.pngThe Middle East is a region that spans southwestern Asia, western Asia, and northeastern Africa. It has no clear boundaries, often used as a synonym to Near East, in opposition to Far East....
. The plant has been introduced to all continents except Antarctica and most larger islands and archipelago. It reproduces by rhizome
Rhizome

In botany, a rhizome is a characteristically horizontal plant stem of a plant that is usually found underground, often sending out roots and shoots from its nodes....
s and seeds.

Johnson grass has been used for forage
Fodder

In agriculture, fodder or animal feed is any foodstuff that is used specifically to feed domesticated livestock, such as cattle, goats, sheep, horses, chickens and pigs....
 and to stop erosion
Erosion

For morphological image processing operations, see Erosion 'For use of in dermatopathology, see Erosion Erosion is the removal of solids in the natural environment....
, but it is often considered a weed
WEED

WEED is a radio station broadcasting a Gospel format. Licensed to Rocky Mount, North Carolina, USA, it serves the area. The station is currently owned by Northstar Broadcasting Corporation....
 for the following reasons:






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Johnson grass (Sorghum halepense) is a plant in the grass family, Poaceae
Poaceae

Poaceae or Gramineae is a family in the Class Liliopsida of the Magnoliophyta. Plants of this family are usually called grasses; the shrub- or tree-like plants in this family are called bamboo ....
, native to the Mediterranean region, but growing throughout Europe
Europe

Europe is, conventionally, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural , the Caspian Sea, and by the Caucasus Mountains to the southeast....
 and the Middle East
Middle East

File:GreaterMiddleEast1.pngThe Middle East is a region that spans southwestern Asia, western Asia, and northeastern Africa. It has no clear boundaries, often used as a synonym to Near East, in opposition to Far East....
. The plant has been introduced to all continents except Antarctica and most larger islands and archipelago. It reproduces by rhizome
Rhizome

In botany, a rhizome is a characteristically horizontal plant stem of a plant that is usually found underground, often sending out roots and shoots from its nodes....
s and seeds.

Johnson grass has been used for forage
Fodder

In agriculture, fodder or animal feed is any foodstuff that is used specifically to feed domesticated livestock, such as cattle, goats, sheep, horses, chickens and pigs....
 and to stop erosion
Erosion

For morphological image processing operations, see Erosion 'For use of in dermatopathology, see Erosion Erosion is the removal of solids in the natural environment....
, but it is often considered a weed
WEED

WEED is a radio station broadcasting a Gospel format. Licensed to Rocky Mount, North Carolina, USA, it serves the area. The station is currently owned by Northstar Broadcasting Corporation....
 for the following reasons:
  1. Foliage that becomes wilted from frost or hot dry weather can contain sufficient amounts of prussic acid to kill cattle and horses if it is eaten in quantity.
  2. The foliage can cause 'bloat' in such herbivores from the accumulation of excessive nitrate
    Nitrate

    In inorganic chemistry, a nitrate is a salt of nitric acid with an ion composed of one nitrogen and three oxygen atoms . In organic chemistry the esters of nitric acid and various alcohols are called nitrates....
    s; otherwise, it is edible.
  3. It grows and spreads so quickly that it can 'choke out' other cash crops that have been planted by farmers.


In Argentina
Argentina

Argentina, officially the Argentine Republic , is a country in South America, constituted as a federation of 23 provinces and an autonomous city....
 the plant is causing new problems as it is growing resistant to the popular herbicide
Herbicide

A herbicide is used to kill unwanted plants. Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant hormones....
 glyphosate
Glyphosate

Glyphosate is a non-selective systemic herbicide, absorbed through the leaves, injected into the Trunk , or applied to the stump of a tree, used to kill weeds, especially Perennial plants and broadcast or used in the cut-stump treatment as a forestry herbicide....
.

See also

  • List of plants poisonous to equines
    List of plants poisonous to equines

    This is a list of plants which are poisonous to equines. Some may cause mild reactions, such as diarrhea, others can lead to serious problems including horse colic, laminitis, and neurological problems, which, in some circumstances, can be fatal....


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