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Dactylis glomerata is a species of flowering plant in the grass family Poaceae, known as cock's-foot, [2] also colloquially as orchard grass, or cat grass (due to its popularity for use with domestic cats). It is a cool-season perennial C 3 tufted grass native throughout most of Europe, temperate Asia, and northern Africa. [3][2][4][5][6]
Kudzu is an invasive plant species in the United States, introduced from Asia with devastating environmental consequences, [1] earning it the nickname "the vine that ate the South". It has been spreading rapidly in the Southern United States, "easily outpacing the use of herbicide, spraying, and mowing, as well increasing the costs of these ...
Dactylis species are perennial grasses, forming dense tussocks growing to 15–140 centimetres tall, with leaves 20–50 cm long and up to 1.5 cm broad, and distinctive tufted triangular flowerheads comprising a panicle 10–15 cm long, turning pale grey-brown at seed maturity. The spikelets are 5–9 mm long, typically containing two to five ...
Orchard-planting problem. An arrangement of nine points (related to the Pappus configuration) forming ten 3-point lines. In discrete geometry, the original orchard-planting problem (or the tree-planting problem) asks for the maximum number of 3-point lines attainable by a configuration of a specific number of points in the plane.
Weed control is a type of pest control, which attempts to stop or reduce growth of weeds, especially noxious weeds, with the aim of reducing their competition with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species. [1]
CSD is an unusual case of a plant disease shared between a vector, weed, and unrelated crop.: 8 Symptoms of Citrus Stubborn disease are most prominent in immature plants but still appear on established trees. The primary symptom of Citrus Stubborn disease is the irregularity of fruit on the same tree.
Plant pathology or phytopathology is the scientific study of plant diseases caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Plant pathology involves the study of pathogen identification, disease etiology, disease cycles, economic impact, plant disease epidemiology, plant disease resistance ...
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