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Poa pratensis. Poa pratensis, commonly known as Kentucky bluegrass (or blue grass), smooth meadow-grass, or common meadow-grass, is a perennial species of grass native to practically all of Europe, North Asia and the mountains of Algeria and Morocco. There is disagreement about its native status in North America, with some sources considering ...
Unlike Kentucky blue grass, buffalograss is a warm-season grass, [12] a group of grasses that grows better at temperatures above 15 °C (59 °F). [13] As a warm season grass it becomes green late in the spring and dries out early in the fall. [8] The dried leaves and inflorescence stalks persist through the dormant period, turning a light ...
When soil temperatures remain around 55 degrees for a few days, baby crabgrass plants start appearing. Depending on where you live, that can be anytime from mid March to late April or early May ...
Soil temperature depends on the ratio of the energy absorbed to that lost. [68] Soil has a mean annual temperature from -10 to 26 °C according to biomes. [69] Soil temperature regulates seed germination, [70] breaking of seed dormancy, [71] [72] plant and root growth [73] and the availability of nutrients. [74]
Magnaporthe poae is an ascomycete fungus which causes the turfgrass disease commonly known as summer patch, or Poa patch. [2] The disease occurs mostly on Kentucky bluegrass (Poa pratensis), Fescues (Festuca sp.), and on Annual bluegrass (Poa annua).[3] Bentgrass (Agrostis sp.) may also become infected but shows very few symptoms and quickly ...
Turf necrotic ring spot is known to infect various bluegrass and turfgrass species, especially the cool-season grasses. The fungus also infects fescues and bentgrasses (11). It is common in sodded lawns, rapidly growing lawns, and lawns with layered soil (3). The pathogen produces circular patches of bald spots that are tan or yellow in color (12).
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Typhula incarnata is, along with Typhula ishikariensis, the causal agent of gray snow mold (also known as speckled snow mold or Typhula blight). This plant pathogen destroys cool season turfgrasses grown in areas with extended periods of snowcover. “Turfgrass hosts include but are not limited to: annual bluegrass, colonial bentgrass, creeping ...