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Lolium perenne, common name perennial ryegrass, [1] English ryegrass, winter ryegrass, or ray grass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world.
The initial disease can be hard to identify as gray leaf spot at this stage because it looks similar to eyespot and common rust. However, as the lesions mature they elongate into rectangular, narrow, brown to gray spots that usually develop on the lower leaves and spread upward on the plant during the season.
The primary species found worldwide and used both for lawns and as a forage crop is perennial ryegrass (Lolium perenne). Like many cool-season grasses of the Poaceae, it harbors a symbiotic fungal endophyte , either Epichloë or its close relative Neotyphodium , both of which are members of the fungal family Clavicipitaceae .
So, how is the dividing done? This depends on the growth characteristics of the plant.
Perennial ryegrass staggers is poisoning by peramine, lolitrem B, and other toxins that are contained in perennial ryegrass (Lolium perenne), and produced by the endophyte fungus Epichloë festucae which can be present in all parts of the grass plant, but tends to be concentrated in the lower part of the leaf sheaths, the flower stalks and seeds.
Lolium multiflorum (Italian rye-grass, [2] annual ryegrass) is a ryegrass native to temperate Europe, though its precise native range is unknown. [3] It is a herbaceous annual, biennial, or perennial grass that is grown for silage, and as a cover crop. [4] [5] It is also grown as an ornamental grass.
Poison ivy. What it looks like: Poison ivy is a type of allergic contact dermatitis that is caused by the oil (urushiol oil) in the poison ivy plant, explains Karan Lal, D.O., M.S., F.A.A.D ...
Fungal diseases; Anthracnose: Colletotrichum graminicola Glomerella graminicola [teleomorph] Black head molds: Alternaria spp. Cladosporium herbarum Davidiella tassiana, Mycosphaerella tassiana [teleomorph] Epicoccum spp. Sporobolomyces spp. Stemphylium spp. Black point: Bipolaris sorokiniana [anamorph] Cochliobolus sativus [teleomorph ...