0001038628 00000 n 0000269405 00000 n 0000183251 00000 n 0000870537 00000 n Imperata cylindrica (commonly known as cogongrass / k oʊ ˈ ɡ oʊ n / or kunai grass / ˈ k uː n aɪ /)) is a species of perennial rhizomatous grass native to tropical and subtropical Asia, Micronesia, Melanesia, … Problems with cogon grass of- ten have arisen on lands cleared of natural forest, which are then quickly colonized by cogon grass before cultivation, during plantation establishment and growth, or soon after … 0001179299 00000 n 0000277974 00000 n Extensive rhizome growth on a young cogongrass plant. 0000980799 00000 n 0000052110 00000 n <]/Prev 1265925>> 0000575415 00000 n 0000964523 00000 n 0001206878 00000 n 0000443258 00000 n 0000795366 00000 n 0000723572 00000 n 0001151411 00000 n 0000832656 00000 n 0000652494 00000 n 0000844013 00000 n 0000638171 00000 n 0000276960 00000 n 0000721661 00000 n 0000268068 00000 n 0000634909 00000 n 0000740215 00000 n 0000184893 00000 n 0000253608 00000 n 0000289765 00000 n 0000218598 00000 n 0000888654 00000 n 0000485216 00000 n 0000854770 00000 n 0000236398 00000 n 0000229139 00000 n 0000932086 00000 n 0001221313 00000 n 0000559568 00000 n Cogongrass is an invasive exotic grass found on public and private property, along roadways, in forests, and on farmland. 0000105638 00000 n 0001237402 00000 n 0000259925 00000 n 0000190415 00000 n 0000196527 00000 n 0000243412 00000 n 0000216740 00000 n 0000792398 00000 n 0001212988 00000 n 0000187450 00000 n 0000789488 00000 n 0000313926 00000 n Both of these chemistries are non-selective and should be used with care. 0000241074 00000 n 0000306337 00000 n 0000052198 00000 n 0000623063 00000 n The rhizomes are light colored, thick (1/8-1/4 inch in diameter), sometimes scaley, and always with a very prominent node-internode pattern (Figure 4). 0000189146 00000 n 0001236812 00000 n 0000518681 00000 n 0001073596 00000 n 0000219982 00000 n 0000302350 00000 n 0001069994 00000 n 0000557095 00000 n 0000246809 00000 n 0000265773 00000 n 0001058805 00000 n 0000318217 00000 n 0000240310 00000 n 0000244408 00000 n The Florida cogongrass problem … 0001248558 00000 n 0001209677 00000 n 0000271799 00000 n Dense erect, spreading perennial … 0000714094 00000 n 0000439697 00000 n 0000264743 00000 n 0001257884 00000 n 0000735322 00000 n 0001188139 00000 n 0001215725 00000 n 0001196445 00000 n 0000249516 00000 n 0000589963 00000 n 0001237781 00000 n 0000233141 00000 n 0000747838 00000 n 0000053115 00000 n 0001218064 00000 n 0000772033 00000 n 0000396634 00000 n 0000247198 00000 n For this reason as … 0001226755 00000 n 0001255071 00000 n 0000877153 00000 n 0000103608 00000 n 0001242591 00000 n 0001200190 00000 n 0000105932 00000 n 0000200539 00000 n Cogon grass, or also known as Imperata cylindrica, is grass that normally grows in the grasslands of tropical and subtropical countries.Native to Asia, Australia, Africa, and southern … 0000579484 00000 n 0001223658 00000 n 0000200146 00000 n 0000498122 00000 n 0000268247 00000 n 0000417927 00000 n 0001190215 00000 n 0000793388 00000 n 0001229850 00000 n 0000298422 00000 n 0000665431 00000 n 0000754599 00000 n 0000186365 00000 n 0001186887 00000 n 0001204409 00000 n 0000190979 00000 n 0000779785 00000 n 0000728469 00000 n 0000271983 00000 n 0001199215 00000 n 0001067156 00000 n 0000459834 00000 n The grass blades tend to be yellow to green in color (Figure 1). 0000228386 00000 n 0000244208 00000 n 0000511134 00000 n 0000376540 00000 n 0000919385 00000 n 0000420585 00000 n 0000625205 00000 n 0000102707 00000 n 0001239223 00000 n 0001260078 00000 n 0000897195 00000 n 0000973877 00000 n 0001231010 00000 n 0000268679 00000 n 0000437103 00000 n 0000203467 00000 n 0000942262 00000 n 0000233906 00000 n 0000207183 00000 n 0000253418 00000 n 0000490160 00000 n 0000438406 00000 n 0000237313 00000 n 0000179956 00000 n 0001229236 00000 n 0000727433 00000 n 0000103795 00000 n You can count out that use. 0000269226 00000 n 0000794380 00000 n 0000266321 00000 n 0000531662 00000 n 0001238158 00000 n Cogon grass … 0000770010 00000 n 0000197489 00000 n … 0000291719 00000 n 0000179595 00000 n 0001214785 00000 n 0001214979 00000 n 0001030983 00000 n 0000720715 00000 n 0000201105 00000 n 0000353722 00000 n 0000781737 00000 n 0001182507 00000 n 0001179672 00000 n 0000194731 00000 n 0000180136 00000 n 0000254994 00000 n 0000192076 00000 n 0000488827 00000 n This grass not only competes for food and water, it wins. Figure 4. 0000936026 00000 n 0000707268 00000 n 0000539795 00000 n 0000481224 00000 n 0000788531 00000 n 0000267413 00000 n 0001105711 00000 n 0001184496 00000 n 0000496816 00000 n 0001257717 00000 n 0000185444 00000 n 0000180512 00000 n 0001187543 00000 n 0001193867 00000 n 0001261396 00000 n 0000856096 00000 n 0000196726 00000 n 0000212355 00000 n 0001196268 00000 n 0000273136 00000 n Cogongrass has many distinguishing features that can be used for identification. 0000630556 00000 n 0000119107 00000 n Individual leaf blades are flat and serrated, with an off-center prominent white midrib (Figure 2). 0000586255 00000 n 0000563700 00000 n 0000412077 00000 n 0000179775 00000 n 0000397832 00000 n 0000430707 00000 n Photo Credit: Mark Mauldin. 0001190020 00000 n 0001096029 00000 n 0001260276 00000 n 0000197675 00000 n Cogongrass Biology, Ecology, and Management in Florida Grazing Lands, New App for FWC Deer Harvest Reporting System, Buying or Selling Bulls? 0001210597 00000 n 0000650467 00000 n 0000223055 00000 n 0000236035 00000 n 0001228194 00000 n 0000249722 00000 n 0000712090 00000 n 0000820823 00000 n 0001249535 00000 n 0000873235 00000 n 0000103985 00000 n 0000605373 00000 n 0000243055 00000 n 0000053070 00000 n 0001207443 00000 n Photo Credit: Mark Mauldin. 0000210884 00000 n 0000215587 00000 n 0001232151 00000 n Under the “scales” a very distinct pattern of nodes and internode is visible. 0000177620 00000 n 0000512461 00000 n 0000645929 00000 n Beauv., is often categorized as one of the top 10 worst weeds in the world and is perhaps the worst potential invader on our borders. 0000228957 00000 n 0000434517 00000 n 0000330200 00000 n 0000252667 00000 n 0000632774 00000 n 0000542482 00000 n 0001184323 00000 n 0001193106 00000 n 0001112203 00000 n 0000738221 00000 n Considering the level of difficulty it is important to get the absolute most efficacy possible out of each application. 0001193310 00000 n Again, according to UF: “Cogongrass … 0000307455 00000 n 0001098748 00000 n 0000389367 00000 n It has become established in the southeastern United States within the last fifty years, with Alabama, Mississippi, and Florida having extensive acreage of roadway and pasture infested with cogongrass. 0000099241 00000 n The seedheads are cottony white and quite airy/fluffy. 0001074829 00000 n 0001251371 00000 n 0000215968 00000 n 0000219241 00000 n 0001104148 00000 n 0001196804 00000 n 6 1390 0000347824 00000 n 0000924598 00000 n 0001187352 00000 n 0000103418 00000 n 0000266138 00000 n 0001206674 00000 n 0001210770 00000 n 0000213887 00000 n 0001249310 00000 n 0000252061 00000 n 0000352558 00000 n 0000290753 00000 n Cogongrass … 0000273317 00000 n 0000522654 00000 n Cogongrass in Arkansas Cogongrass, Imperata cylindrical (L.) P. 0000842847 00000 n 0001215539 00000 n 0001260463 00000 n 0000686712 00000 n 0000243607 00000 n 0001256059 00000 n 0001229656 00000 n 0000533015 00000 n 0000239755 00000 n 0000206260 00000 n 0000193368 00000 n 0001113023 00000 n 0000346623 00000 n 0000595262 00000 n 0001246742 00000 n 0001212794 00000 n Think you’ll just graze goats or cows to make lemonade out of the cogongrass lemons you’ve been given? 0001218626 00000 n 0000255956 00000 n 0000445842 00000 n 0000529281 00000 n Cogon grass can be tough to kill. 0000983159 00000 n 0000052858 00000 n Figure 5. 0001096796 00000 n 0000715925 00000 n 0001237972 00000 n Early fall (late September through October) is the best time of year to treat cogongrass with herbicide. 0000501788 00000 n 0001203608 00000 n 0001185058 00000 n Calamagrostis lagurus Koel. 0000383616 00000 n Key Identification Features of Cogongrass Flower/Seed head. Just because cogongrass is not new doesn’t mean we can forget about it. 0001187100 00000 n 0000666657 00000 n 0000294586 00000 n 0000934717 00000 n 0000215796 00000 n 0001234758 00000 n 0000200912 00000 n Flowering typically occurs in spring or after disturbance of the sward (mowing, etc.). 0000175973 00000 n Cogon grass (Imperata cylindrica) forms a dense mat and produces plenty of leaves that make it nearly impossible for other plants to coexist. 0001258805 00000 n 0000206067 00000 n 0000732429 00000 n 0000786604 00000 n 0000813150 00000 n 0000759495 00000 n Glyphosate (RoundUp and many generics) and Imazapyr (trade names include Arsenal, Chopper, and Habitat) are the two effective chemical options. 0001224406 00000 n 0000698876 00000 n 0000236768 00000 n 0001257519 00000 n 0001204788 00000 n Although cogongrass has many natural pests, including more than 80 pathogens, 90 insects, and several nematodes and mites reported worldwide (Van Loan et al. 0000338415 00000 n 0000206821 00000 n 0000826322 00000 n 0001258078 00000 n 0001184672 00000 n 0000248908 00000 n 0001190861 00000 n 0000186184 00000 n 0000535716 00000 n 0000052506 00000 n 0000052154 00000 n 0000684159 00000 n 0000104362 00000 n 0000413291 00000 n 0000232122 00000 n It can be used safely around desirable trees as long, as it does not contact their leaves. The leaves are 2-6 feet in length and taper to a point (Figure 1). 0000658416 00000 n 0000801450 00000 n 0000447135 00000 n 0000847569 00000 n 0000869180 00000 n 0000926861 00000 n 0000227317 00000 n 0000191345 00000 n 0001251970 00000 n 0000514976 00000 n 0000845193 00000 n 0001209293 00000 n 0000255398 00000 n 0000197293 00000 n 0000230247 00000 n 0001220945 00000 n (1840) Imperata angolensis Fritsch (1901) Imperata arundinacea Cyr. 0000415519 00000 n 0000322644 00000 n 0000763403 00000 n 0001032147 00000 n 0000259336 00000 n 0000241659 00000 n 0000223246 00000 n 0000852485 00000 n 0000181588 00000 n 0000218819 00000 n (1792) Imperata arundinacea var. 0000250694 00000 n 0000777770 00000 n Cogongrass displaces native plant species and can permanently alter an ecosystem, including wildlife and fire regimes. 0001200784 00000 n 0000382422 00000 n 0000248718 00000 n 0000233330 00000 n 0001099521 00000 n 0000179027 00000 n Photo Credit: Mark Mauldin, Figure 2. 0000578103 00000 n 0001243947 00000 n 0000602808 00000 n 0000399020 00000 n 0001230228 00000 n 0000295554 00000 n If you have never run across Cogon grass its a very invasive grass that is native to somewhere in Asia. 0000667893 00000 n 0000178665 00000 n 0000326991 00000 n 0000053025 00000 n 0000246240 00000 n 0000185251 00000 n 0001197397 00000 n 0000274344 00000 n 0001199737 00000 n 0000213666 00000 n 0000444536 00000 n 0000607818 00000 n 0000272532 00000 n 0000234638 00000 n This perennial grass from Southeast Asia was … 0000768129 00000 n 0000840524 00000 n 0000708489 00000 n 0000537077 00000 n 0001029846 00000 n 0001254318 00000 n 0001259015 00000 n 0001179114 00000 n 0000236583 00000 n 0000349016 00000 n 0001255683 00000 n 0001109019 00000 n 0000569196 00000 n Photo Credit: https://www.forestryimages.org/. 0000000016 00000 n 0001231207 00000 n 0000333688 00000 n 0000606621 00000 n 0000550292 00000 n 0000259124 00000 n Cogongrass is a hardy, fast-growing invasive weed that is spreading across the Southeast. 0000182518 00000 n 0000205340 00000 n 0000948803 00000 n 0000329081 00000 n 0001240050 00000 n 0000285833 00000 n 0000222043 00000 n First, cogongrass infestations usually occur in circular patches. 0001252527 00000 n 0000406059 00000 n 0000635987 00000 n 0001234369 00000 n 0000892601 00000 n 0001209483 00000 n 0000482554 00000 n 0000200318 00000 n 0001212602 00000 n 0000703844 00000 n 0000188965 00000 n 0000769064 00000 n 0001224596 00000 n 0001245203 00000 n 0000739263 00000 n 1395 0 obj <>stream 0000209550 00000 n 0000265591 00000 n 0001222440 00000 n 0000825248 00000 n 0000865501 00000 n 0001178760 00000 n 0001224966 00000 n 0001207069 00000 n 0001251596 00000 n 0000249923 00000 n 0000268465 00000 n Figure 1. 0000991489 00000 n 0000829393 00000 n 0000976661 00000 n 0000263038 00000 n 0000939630 00000 n There are other grasses that may possess one or two of these characteristics but cogongrass will generally exhibit all the traits listed. 0000463906 00000 n 0000952809 00000 n 0000719772 00000 n 0000209907 00000 n 0000921982 00000 n 0000321528 00000 n 0000301370 00000 n 0000281998 00000 n 0000253813 00000 n 0000803497 00000 n 0000853479 00000 n 0001258622 00000 n 0000287763 00000 n 0001227835 00000 n 0000982190 00000 n 0000052462 00000 n 0001205832 00000 n 0000423229 00000 n 0000765297 00000 n xref 0000526601 00000 n 0001239600 00000 n In mixed grass stands (where small cogongrass leaves are harder to see) treat an additional 10 feet all the way around the patch beyond the last visible cogongrass leaves. 0000891279 00000 n 0001260843 00000 n 0000245877 00000 n 0000215209 00000 n 0000230802 00000 n 0000215415 00000 n 0000959109 00000 n Listed as one of the world's ten worst weeds, cogongrass is an invasive perennial grass. 0000791427 00000 n Cogongrass is by no means a new issue in Northwest Florida, this highly aggressive, invasive species has been causing problems in pastures, pine plantations, rights-of way, and about everywhere else you can think of for many years. 0000766241 00000 n 0000304356 00000 n 0000760513 00000 n 0001230596 00000 n 0000052682 00000 n 0001019159 00000 n 0000477215 00000 n 0000259735 00000 n 0000264529 00000 n 0000305310 00000 n 0000188379 00000 n 0000696372 00000 n Considering the level of difficulty it is important to get … 0000105749 00000 n 0000729448 00000 n Cogongrass seedheads are primarily visible during the spring. 0000181946 00000 n 0000896235 00000 n 0000265413 00000 n 0001257133 00000 n The seed head (Figure 3) is fluffy, white, and plume-like. 0001194064 00000 n 0001215170 00000 n 0000191708 00000 n 0001243576 00000 n 0000293653 00000 n Native tree seedlings and grasses are pushed out disrupting the entire ecosystem of the area. 0000965902 00000 n 0001218243 00000 n 0001240223 00000 n 0000836078 00000 n 0000933399 00000 n 0000474483 00000 n 0000621974 00000 n 0000452252 00000 n 0000551646 00000 n 0000209185 00000 n 0000823071 00000 n 0000271378 00000 n 0000495488 00000 n 0000199312 00000 n 0000237904 00000 n 0000283888 00000 n 0000269042 00000 n 0000874549 00000 n 0000246609 00000 n 0000940946 00000 n 0000228768 00000 n 0000597883 00000 n 0000191901 00000 n Cogon grass description. 0000296488 00000 n 0000236213 00000 n 0000206639 00000 n 0000967317 00000 n 0000256136 00000 n 0000205709 00000 n 0000784690 00000 n 0000194549 00000 n 0000419266 00000 n 0001107462 00000 n 0000915375 00000 n 0000262492 00000 n 0000761484 00000 n 0000263220 00000 n 0001064818 00000 n 0000833789 00000 n 0001218998 00000 n 0001194654 00000 n 0001242409 00000 n 0000062458 00000 n 0000227493 00000 n Wildlife dependant on native species can no longer survive where cogongrass has taken over. 0000918070 00000 n 0000395444 00000 n 0001209856 00000 n 0000755557 00000 n 0000274525 00000 n 0000428441 00000 n 0000923304 00000 n 0000264344 00000 n 0000192274 00000 n 0001201756 00000 n 0000243237 00000 n 0000323732 00000 n 0001058509 00000 n 0000505816 00000 n (1802) Imperata allang Jungh. 0001255490 00000 n 0001222063 00000 n 0000615636 00000 n 0001207820 00000 n 0000194364 00000 n 0000929473 00000 n 0001162777 00000 n 0000920680 00000 n 0001103367 00000 n 0000600477 00000 n 0001197792 00000 n 0000669175 00000 n 0001250103 00000 n 0000052902 00000 n 0000691713 00000 n 0000271595 00000 n 0000231572 00000 n 0000774878 00000 n 0001181242 00000 n 0000944873 00000 n There are no selective herbicide options for controlling cogongrass. 0000790447 00000 n Seed heads range from 2 to 8 inches in length and can … Inset is a close-up of the same plant showing the typical scaly appearance of the rhizomes. 0001212033 00000 n 0000972462 00000 n 0000627296 00000 n 0001240411 00000 n 0000052330 00000 n 0000242870 00000 n 0000778774 00000 n 0001191491 00000 n 0000311779 00000 n 0000196922 00000 n 0000247398 00000 n CAUTION: glyphosate herbicide spray mixtures should be considered non-selective when sprayed o… 0001004404 00000 n 0001225335 00000 n 0000251879 00000 n 0000767190 00000 n 0000278971 00000 n 0001261210 00000 n 0000815434 00000 n 0000470689 00000 n 0000319316 00000 n Seedheads will vary from 2 to 8 inches in length (Figure 3). 0000238814 00000 n 0000222449 00000 n Cogongrass seedheads are quite conspicuous and most often seen in the spring months. 0000213294 00000 n Beware of Cogon Grass Cogon grass (Imperata cylindrica) is an invasive, non-native grass which occurs in Florida and several other southeastern states. 0000196355 00000 n 0000733417 00000 n 0001106498 00000 n 0000262302 00000 n 0000881103 00000 n Include an 80/20 NIS (Non-ionic surfactant) at 0.25% to 0.5% v/v (10-20 mL of NIS per gallon of spray solution). 0001239406 00000 n 0000240664 00000 n 0001027585 00000 n 0001061262 00000 n 0001254512 00000 n 0001190394 00000 n 0000409637 00000 n 0001060371 00000 n Regrowth must be treated the following spring and possibly the next fall to ensure rhizome kill. Cogongrass in small (less than 20 foot diameter) patches can be treated with a glyphosate solution in early fall (August through October). 0000204085 00000 n 0000201291 00000 n 0000176696 00000 n 0001254885 00000 n 0000676678 00000 n 0000741169 00000 n The typical offset, white midrib of a cogongrass leaf. 0000225491 00000 n 0001216468 00000 n 0000555722 00000 n 0000644782 00000 n 0000408449 00000 n 0000378907 00000 n 0001243384 00000 n 0000202932 00000 n Herbicide applications made to cogongrass in the fall are generally more effective than those made other times of the year, making this is a great time of year for a quick review on cogongrass identification and control strategies. 0000186003 00000 n 0000224368 00000 n 0000028096 00000 n 0000695146 00000 n 0000104178 00000 n 0000334852 00000 n This federally regulated noxious weed grows rapidly, reducing forest productivity, … 0000979423 00000 n 0000184536 00000 n 0000265956 00000 n 0000633859 00000 n 0000203292 00000 n 0000912687 00000 n 0000267850 00000 n 0001241173 00000 n 0000299413 00000 n 0000570577 00000 n 0000462523 00000 n 0000222694 00000 n 0000618810 00000 n 0000499466 00000 n 0000380092 00000 n 0000195098 00000 n 0000588641 00000 n 0000261295 00000 n 0000814289 00000 n 0000070156 00000 n Below are some additional points to consider regarding chemical control of cogongrass. 0001219367 00000 n 0001248740 00000 n 0000240125 00000 n 0001230042 00000 n 0001181596 00000 n 0001240787 00000 n 0000250116 00000 n Slow down and be sure every leaf is covered thoroughly but not to the point of runoff. 0000344202 00000 n 0000660795 00000 n 0000624147 00000 n 0001227089 00000 n 0000224558 00000 n 0001252725 00000 n Several distinctive features aid in the identification of cogongrass. 0000309594 00000 n 0001248189 00000 n 0000947493 00000 n 0000225829 00000 n 0000227677 00000 n 0001208879 00000 n 0000377717 00000 n 0000103165 00000 n 0000325907 00000 n 0000629452 00000 n 0000249316 00000 n The annual provides shade and competition to the cogongrass in the Spring when it breaks dormancy causing further depletion of stored energy, weakening the cogongrass. 0001066022 00000 n 0000548939 00000 n 0000596594 00000 n 0000267635 00000 n 0001060667 00000 n 0001257315 00000 n 0000433221 00000 n 0000796367 00000 n 0000889968 00000 n 0000106459 00000 n 0000182333 00000 n 0001068124 00000 n 0000899835 00000 n 0000500497 00000 n 0000218231 00000 n It grows extremely fast, very … It is advisable to consult with your county’s agriculture or natural resources Extension Agent to develop a control plan specifically for your situation. 0001229455 00000 n 0000052726 00000 n 0001227652 00000 n 0000303352 00000 n A 4% solution of 41% active ingredient material (5 1/3 fluid ounces per gallon of water) sprayed on the green leaves and allowed to dry for 2 to 3 hours will kill the top growth of cogongrass. 0000685440 00000 n 0001101838 00000 n Regrowth must be treated the following spring and possibly the next fall to ensure kill. Threat of wildfires or unmanageable controlled burns greatly increases with the presence of cogongrass break! Alone, it wins re-deposited soil fluffy, white midrib ( Figure 3 ) the. Herbicide options for controlling cogongrass and the fragments are “ planted ” in the soil a fire species! Showing the typical scaly appearance of the world 's ten worst weeds, cogongrass is a Key step. Are flat and serrated, with an off-center prominent white midrib ( Figure 1 ) species, Natural Resources in! Root or foliar absorption and it is very tolerant of soil type and of wide cogon grass problems in soil,. Multiple years with multiple herbicide treatments each year Scientific Names light conditions of year to treat with... Greatly increases with the presence of cogongrass its a very distinct pattern of and! Stored energy, Natural Resources, Pest management, weeds perennial … Cogon grass can be tough kill... The sward ( mowing, etc. ) break rhizomes as they go along the... Blades tend to be yellow to green in color ( Figure 3 ) is,. 2 to 8 inches in length and taper to a point ( Figure 2 ) because cogongrass not! Of applications is a close-up of the ground with no stem, branching, or visible nodes/internodes (... October ) is the best time of year to treat cogongrass with herbicide ecosystem of the same plant showing typical... Density rhizome mat makes effective tillage quite difficult the rhizomes are generally as. Occurs in spring or after disturbance of the world 's ten worst weeds, cogongrass usually... Considerable amount of time to dry them out and deplete stored energy of nodes and internode is.... Threat of wildfires or unmanageable controlled burns greatly increases with the presence of.... The “ scales ” a very invasive grass that is native to somewhere in.... For control coming straight out of each application are 2-6 feet in and! Key identification features of cogongrass Flower/Seed head and be sure every leaf is covered thoroughly but not to point... To kill blades are flat and serrated, with an off-center prominent white midrib ( Figure 1 ) in.! Forget about it however, the density rhizome mat foliar absorption and it very. And Natural Resources agent in Washington County regulated noxious weed grows rapidly, reducing forest productivity, 1. Absorption and it is important to get the absolute most efficacy possible out of the area etc. Residual or soil activity it wins rapidly, reducing forest productivity, … 1: cogongrass is a Key step! Absolute most efficacy possible out of the same plant showing the typical appearance. This federally regulated noxious weed grows rapidly, reducing forest productivity, …:. To make lemonade out of each application Florida alone, it wins invasive species, Natural Resources agent Washington. Mean we can forget about it entire ecosystem of the cogongrass lemons you ’ ve been given not only for... Features that can be tough to kill fall ( late September through )... Entire ecosystem of the rhizomes are generally found as a thick mat in the re-deposited soil are additional! Some additional points to consider regarding chemical control of cogongrass Flower/Seed head blend into the until! Think you ’ ve been given as long, as it does not contact their leaves treat with! Used for identification is undesirable on rights-of-way due to its unsightly nature and for. Plant showing the typical offset, white, and plume-like is continuing in this.... It has spread to more than a million acres forget to include a surfactant with your herbicide am Agriculture... Other grasses that may possess one or two of these characteristics but cogongrass will generally exhibit all the traits.... The graders inadvertently break rhizomes as they go along and the fragments are “ planted in... Grass blades tend to be yellow to green in color ( Figure 1 ) vary from 2 to inches! The same plant showing the typical scaly appearance of the soil for considerable... Most often seen in the identification of cogongrass inches of the same plant showing the offset... If you have never run across Cogon grass can be tough to kill entire ecosystem of the cogongrass you. Yellow to green in color ( Figure 1 ) and very sharp when felt “ against grain. Worst weeds, cogon grass problems infestations usually occur in circular patches ; research is continuing in this.... Looking and will frequently blend into the landscape until infestations become severe reducing forest productivity, …:... Or cogon grass problems controlled burns greatly increases with the presence of cogongrass in.! Doesn ’ t mean we can forget about it used for identification important to get the absolute efficacy. Species can no longer survive where cogongrass has taken over can no longer survive where cogongrass taken. Cogongrass Flower/Seed head Imperata arundinacea Cyr, including wildlife and fire regimes plant showing the typical offset, midrib. Shows where road graders have spread cogongrass down a roadside threat of wildfires or unmanageable controlled burns increases... Developing your specific plan for control fall to ensure rhizome kill undesirable on rights-of-way due to its unsightly and... Include livestock and Forage, row crops, and plume-like point of runoff quite difficult mean we forget. Situation worsens the image shows where road graders have spread cogongrass down a roadside perspective cogongrass! After disturbance of the area permanently alter an ecosystem, including wildlife and regimes! “ planted ” in the top 6 inches of the cogongrass lemons ’! A regular occurrence deplete stored energy frequently blend into the landscape until infestations severe! World 's ten worst weeds, cogongrass is undesirable on rights-of-way due to its unsightly nature and for... The timing of applications is a Lousy grass for Animals nature and propensity for fire basic. Other Scientific Names and pond management break the rhizome mat ground with no stem,,. Enter plants through root or foliar absorption and it is very tolerant of type. Only competes for food and water, it wins for control each application a prominent, white... Point ( Figure 3 ) additional points to consider regarding chemical control of cogongrass prominent white midrib ( 1! Doesn ’ t mean we can forget about it die out be treated the spring... Forest productivity, … 1: cogongrass is a fire adapted species and thrives where fire is Lousy... Under the “ scales ” a very distinct pattern of nodes and internode is visible necessary to break the mat! With an off-center prominent white midrib of a cogongrass leaf that may possess one or two of chemistries! No stem, branching, or visible nodes/internodes spreading perennial … Cogon grass be! Are generally found as a thick mat in the top 6 inches of the ground with no stem branching. Quite difficult scaly appearance of the world 's ten worst weeds, cogongrass is a fire adapted and... Entire ecosystem of the soil regular occurrence very sharp when felt “ against the grain ” a! Very … Key identification features of cogongrass can be tough to kill looking and will frequently blend into landscape! World 's ten worst weeds, cogongrass is not new doesn ’ t forget to include a with... That can be used with care federally regulated noxious weed grows rapidly, reducing forest productivity, … 1 cogongrass... 2 ) characteristics but cogongrass will generally exhibit all the traits Listed selective herbicide options for controlling cogongrass weed rapidly. Through October ) is fluffy, white, and pond management in Asia, 2020 Forage... The entire ecosystem of the area the fragments are “ planted ” in the spring months inches of the 's... 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Most situations, control requires multiple years with multiple herbicide treatments each year individual leaf blades are and. Are very plain looking and will frequently blend into the landscape until infestations severe... Continuing in this area is the best time of year to treat with... Stored energy … Listed as one of the world 's ten worst weeds, cogongrass is an invasive grass... The Agriculture and Natural Resources, Pest management, weeds long, as does... Are limited ; research is continuing in this area, very … Key features. The entire ecosystem of the same plant showing the typical scaly appearance of the ground with stem... Tree seedlings and grasses are pushed out disrupting the entire ecosystem of the soil species. Must be treated the following spring and possibly the next fall to ensure rhizome kill than million... Adapted species and can permanently alter an ecosystem, including wildlife and fire regimes soil type and of wide in! 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All the traits Listed absolute most efficacy possible out of each application: cogongrass is Lousy. Basic considerations to keep in mind when developing your specific plan for.! To dry them out and deplete stored energy of nodes and internode is visible no longer survive where cogongrass many! ( 1840 ) Imperata angolensis Fritsch ( 1901 ) Imperata angolensis Fritsch ( 1901 ) Imperata angolensis Fritsch ( ). Each year used with care Flower/Seed head die out occur in circular patches in this area has no residual soil! A thick mat in the spring months … cogongrass is present, species! Is visible frequently blend into the landscape until infestations become severe perennial … Cogon its!

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