Perennial ryegrass (Lolium perenne L.)

摘要: Perennial ryegrass (Lolium perenne L.), also called English ryegrass, is a cool-season perennial bunchgrass native to Europe, temperate Asia, and North Africa. It widely distributed throughout the world, including South America, New Zealand, Australia. important in forage/ livestock systems. High palatability digestibility make this species highly valued for dairy sheep forage As result, it often preferred grass regions of world. Characteristics include: • yield potential Fast establishment Suitability reduced-tillage renovation Use on heavy waterlogged soils In United States, used predominately coastal Northwest, irrigated intermountain valleys West, Midwest, Northeast. can behave as an annual, short-lived perennial, or depending environmental conditions. resembles annual multiflorum Lam.), although has more leaves lower parts plant canopy, its collar blade are narrow, lemmas awnless. Figure 1.—Perennial plant. stem (culm) inflorescence