weed_key - Vegetative key to 50 common landscape weeds of...

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Vegetative key to 50 common landscape weeds of South Florida Dr. Phil Busey D R A F T —Please send me your comments 1 1 Leaves 10 times longer than wide and veins parallel not branched . .................... CONTINUE TO 2 IF NOT SKIP TO 24 2 Upright stems somewhat triangular and leaves very shiny . .................................................... CONTINUE TO 3 IF NOT SKIP TO 5 Sedges 3 Grows as a dense mat less than 6 inches tall. ............................................................... green kyllinga IF NOT CONTINUE TO 4 4 Comes from the ground in tight clumps. ............................................................................. bunch sedge IF NOT ....................................................................................................................... purple nutsedge 1 Revised June 5, 2009, by Philip Busey, Assoc. Prof. Environ. Hort, University of Florida, Davie, FL 33314, 954-579-3932 (cell), turf@ufl.edu (email), http://grove.ufl.edu/~turf/ (URL) green kyllinga bunch sedge bunch sedge Purple nutsedge
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Page 2 Busey - Vegetative key to weeds 5 Creeps by horizontal stems (runners) either above the ground (stolons) or below the ground (rhizomes) forming patches. ....................................................................................................................... CONTINUE TO 6 IF NOT SKIP TO 18 Sod-forming grasses 6 Weed has belowground runners (rhizomes) . ........................................................................... CONTINUE TO 7 IF NOT SKIP TO 11 7 Leaves frequently more than 18 inches tall. .......................................................................... cogongrass IF NOT CONTINUE TO 8 8 Leaves mainly vertical (erect) and sparse. ........................................................................ torpedograss IF NOT CONTINUE TO 9 9 Leaves pointed and emerge rolled (involute) . ....................................................................... zoysiagrass IF NOT CONTINUE TO 10 10 Leaf blades have many small hairs. ............................................................................... bermudagrass IF NOT .............................................................................................................. seashore paspalum torpedograss ginger-like rhizomes zoysiagrass (left), torpedograss (right) stolons of bermudagrass stolon of zoysiagrass
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Busey - Vegetative key to weeds Page 3 11 Leaf blades more than 3/4 inch wide. ................................................................................... basketgrass IF NOT CONTINUE TO 12 12 Runners (stolons) hug flat to the ground. ............................................................................... CONTINUE TO 13 IF NOT CONTINUE TO 14 13 Stolon more than 1/4 inch thick . ..............................................................................................
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weed_key - Vegetative key to 50 common landscape weeds of...

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