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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 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. [10] [11]
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Lolium perenne
The height of the tree above eye level is [h1 = sin(a) x D1]. The same process is used to measure the height or extension of the base of the tree above or below eye level where D1 is the distance to the base of the tree and (b) is the angle to the base of the tree.
Tree height is the vertical distance between the base of the tree and the highest sprig at the top of the tree. The base of the tree is measured for both height and girth as being the elevation at which the pith of the tree intersects the ground surface beneath, or "where the acorn sprouted."
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 .
Longer intervals increases the stem/leaf ratio, making the forage harder to chew and digest, but in many cases the annual dry yield increases. The grass can reach a height of 7-8 meters after 4 months of growth. [citation needed] It produces best growth between 25 and 40 °C, and little growth below about 15 °C, with growth ceasing at 10 °C ...
The name Kentucky bluegrass derives from its flower heads, which are blue when the plant is allowed to grow to its natural height of 60 to 90 cm (2 to 3 feet). [9] Poa pratensis is the type species of the grass family Poaceae. Five subspecies are accepted. [10] Poa pratensis subsp. dolichophylla (Hack.) Portal – Corsica