Hillsborough County ISTF - Manatee County Extension Office ...
Hillsborough County ISTF - Manatee County Extension Office ... Hillsborough County ISTF - Manatee County Extension Office ...
22The midvein is offcenterin Cogon grassleaves (right).
Cogon grassImperata cylindricaIdentifying CharacteristicsAggressive perennial grass, growing in tufts fromextensive rhizomes. Considered one of the top 10 worstweeds in the world and a pest in 73 countries. Erect,narrow leaves, up to 5 feet tall, with whitish, noticeablyoff-center midvein. Leaves are yellow-green, sharplypointed and hairy at the base. Leaf blades also havescabrous (rough to the touch) margins. Flowers are whitesilky plumes up to 8 inches long, found year-round insouth and central Florida.HabitatIntroduced for forage and soil stabilization. Commonlyfound in open forests, fields, pastures and along transportationand utility corridors. Thrives in areas of minimaltillage.Growth HabitsFast-growing. Grows in full sunlight to partial shade inany area without standing water. Disperses by windborneseeds and by extensive rhizomes. Often spread byfragmentation on farm and roadway machinery. Highlyflammable and aggressively invades after fire.Control Methods: FoliarControl in late fall when leaves are bright green. Mowbefore seed heads have set, then wait until grass grows to6 inches to apply glyphosate or imazapyr. Repeat applicationsmay be necessary. Landowners may need a covercrop if treating large areas.ReplacementsEastern gamma/Fakahatchee grass(Tripsacum dactyloides)Love grasses(Eragrostis elliottii or E. spectabilis)23
- Page 3 and 4: This guide is intended and designed
- Page 5 and 6: Plant List10 Air potato and Air yam
- Page 7 and 8: Herbicide Application TechniquesHer
- Page 9 and 10: • Buy the right amount for your n
- Page 11 and 12: WATER-BASED HERBICIDES (CUT-STUMP A
- Page 13: Air potatoAir yamDioscorea spp.D. b
- Page 17: Brazilian pepperSchinus terebinthif
- Page 21: Chinaberry treeMelia azedarachIdent
- Page 27 and 28: Guinea grassPanicum maximum(sometim
- Page 29: Japanese climbing fernOld World cli
- Page 33 and 34: Lead treeJumbie beanLeucaena leucoc
- Page 35: MelaleucaPunk treeMelaleuca quinque
- Page 39: Rosary peaCrab’s eyesAbrus precat
- Page 43 and 44: Torpedo grassBullet grassPanicum re
- Page 45 and 46: Tropical soda appleSolanum viarumId
- Page 47 and 48: Camphor treeCinnamomum camphoraMost
- Page 50 and 51: SourcesFlorida Department of Enviro
22The midvein is offcenterin Cogon grassleaves (right).
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