@2017 - PenciDesign. What is Cogongrass? These bugs may eat invasive cogongrass Researchers have found a midge from Indonesia that attacks cogongrass. Keeping cows is a lot of work, even if you have just a small farm with a herd of a few cattle. Also, young tender shoots are way more edible and nutritious, so another trick is to always graze it when it’s young and short (you can mow it a week or two before grazing if needed). Cattle ate the grass when it was very young but would not eat it once it was mature. 7% Makes college seem like such a stupid waste of my time, life, and money. Cogongrass control varies according to the age and rhizome mat density and depth. Oleander(Nerium oleander) Also known as: Rose laurel, adelfa, rosenlorbeer. Young infestations are usually easier to control than older well-established infestations. Thank you for the field report. With no native competition or consumers, cogongrass spread rapidly throughout the Gulf South.” To hope that your goats eat cogongrass instead of almost anything else is a vain hope. Danny has discoverd cogon grass, one of the top 10 most evasive grasses in the world, on our property. WHY IS COGONGRASS A PROBLEM? Studies show that cogongrass contains chemicals (has the allelopathic ability) that prevent the growth of other plant species and contribute to its invasiveness and extreme competitiveness. Cogongrass first appeared in the area around Grand Bay, Alabama as an escape from S… Randy Browning, a wildlife biologist with the U.S. Wildlife Service and the Mississippi Fish and Wildlife Foundation, says now that landowners, state agencies and, in many cases, the general public have learned to recognize the plant and its dangers to agriculture and wildlife, that Mississippi is beginning to make progress on suppression of the weed in some areas and possibly even eradication in some of the lesser-infected areas. Normally, varieties like the Imperata cylindrica ‘Red Baron’ don’t go to seed easily. Cogongrass is an invasive species commonly found in pastures that is not going to go away on its own. However, not all herbivores eat grass. I will put an armload in for them, and they eat it in the pasture, but I think it would be too rough on their mouths if they were to eat nothing else. For more articles out of Florida, click here. This rough margin can cut the tongue of a grazing animal, and due to high silica content, cogongrass is a useless forage crop.”. “Although cogongrass looks like a superb forage, we learned animals that consume cogongrass as the sole forage lose weight rather than gain weight,” Byrd said.”. If a hog or a goat won’t eat this stuff, you know it’s bad stuff.” Locally, the cogongrass threat is worrying some foresters. Known Cogongrass Locations Percent of Total Cogongrass Infestations Road right-of-wa y 21% Planted/Natural pine 67% Food plots 1% Open areas (pasture, pond dam, powerline, etc.) ID: An evergreen shrub … Select your state and county for their contact information. If goats do eat cogongrass, it can cut their tongues. Learn to identify it here. An example is yaupon, which is being choked out by cogongrass.”. Cogongrass fires are hotter, faster and higher than native grass fires. Browning spoke March 10 to an overflow crowd at a Cogongrass Seminar in Jackson sponsored by the Mississippi Department of Agriculture and Commerce’s Bureau of Plant Industry. Alabama Cogongrass Aerial Photographs. “Cattle will eat cogongrass when the plant is young,” says Rick Williams, Extension Forestry Specialist, West Florida Research and Education Center, University of Florida. However, it was revealed that cogongrass was of little economic (forage) benefit and could become a serious pest.”. “Cogongrass was introduced to Mississippi as a new forage crop, however, it is not palatable for livestock, not even goats will eat it,” Bozeman said. If it’s on your property, get rid of it. The leaves have a prominent, off-center, white mid-rib, and serrated edges that can feel rough. Landowners have found instances where the roots of the cogongrass literally grew through the roots of the trees. It has been my experience too that goats, sheep and cows will eat cogongrass if nothing else is available. Much appreciation and gratitude your way! Seems we can at least redeem a little use from the weed. With its vigorous growth and sturdy root system, cogongrass looked like a good forage and was even used in some places for soil stabilization. ScienceDaily. Cogongrass, Imperata cylindrica (L.), is considered the seventh worst weed in the world and listed as a federal noxious weed by USDA Animal and Plant Health Inspection Service - Plant Protection and Quarantine.Cogongrass infestations are being found primarily in south Georgia but is capable of growing throughout the state. A worldwide research team led by UF/IFAS entomology professor James Cuda and retired entomology professor Bill Overholt found species in Japan, East Africa and Indonesia that might help in the battle against cogongrass. It got into a patch of sweet potatoes once and the sharp rhizomes actually grew right through some of the potato roots. It can’t do it if it’s 5″ tall or shorter. Yes, cogon grass should be eradicated. Loving your content! Any notes on them preferring it to other grasses? “Even goats won’t eat cogongrass,” says Browning.”. I would say they like it just as well as other grasses. UF/IFAS Researchers Find Potential Bugs to Eat Invasive Cogongrass 22-Feb-2017 8:05 AM EST , by University of Florida Institute of Food and Agricultural Sciences Edit Institution I’m an avid viewer of your content. “Cogongrass competes intensely for available light and nutrients. These factors can spell trouble for people and structures near large infestations. David, in an earlier post you said “Sometimes people talk about “beneficial weeds”… but I would argue that all weeds are beneficial, in their place.” I’ll take cogongrass as an exception. UF/IFAS Researchers Find Potential Bugs To Eat Invasive Cogongrass. Smart tip about cogon grass. UF/IFAS researchers find potential bugs to eat invasive cogongrass. Methods of control. It’s not a last-resort type thing; they like it very well. “That’s why we are investigating biocontrol agents for cogongrass. As the USDA reports: “(cogongrass) leaf margins are rough to the touch due to tiny, saw-like serrations, a common trait of other grasses as well. Notify me of followup comments via e-mail. Would you like to keep up with the latest local and national agriculture news, every business day? Its flowers are white, as are its fluffy seedheads. I’ve found goat do indeed like cogon grass. The big root system of cogongrass takes water and nutrients for itself and will quickly out-compete your crops … Side effect of this management technique is that cogongrass will die out eventually because it’s way more sensitive to cutting/overgrazing than FL grasses and the way it takes over is it creates dense monoculture stands and shades out the soil. Please see caption below story. Cogongrass is an aggressive, rhizomatous, perennial grass that is distributed throughout the tropical and subtropical regions of the world. Designed and Developed by PenciDesign, Rosary Peas in the Great South Florida Food Forest Project, The States in America Using the Most and Least Glysophate, The Great South Florida Food Forest Project, Interplanting Corn and Pigeon Peas On a Slope, Easy Pest Control – Crash Gardening, Episode 3, Making Christmas Cookie Ornaments as a Family, Improving the Ground One Ground at a Time. 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. 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. We recommend that you contact your local Master Gardener for tips on eradication if several applications of a professional strength RoundUp does not seem to help. “Cogongrass will displace entire native communities,” says Browning. Researchers find potential bugs to eat invasive cogongrass. Cogongrass was introduced into Florida in the 1930s and 1940s as a potential forage and for soil stabilization purposes. In the Mid-South and Southeast, cogongrass has crept into forage and pasture operations, along highway rights of ways and into pine and hardwood plantations where the weed vigorously competes for the water and nutrients needed by forage grasses, trees and wildlife. You can also subscribe without commenting. In the South, cogongrass ranks among the top 10 plant marauders, invading forests, rights-of-way, and agricultural fields, literally taking over the landscape and altering ecosystems. No cut-mouth issues so far. A couple of years ago I posted this video on cogongrass: Yesterday my video received this comment: Goats are generally known to “eat everything.” They’ve been used to control invasive plants such as kudzu and Japanese knotweed. They aren’t as dangerous as the original cogongrass lineages. A brilliant way to still grow these plants is to plant them in pots. It can be done in a single year or 2 but every time you allow cogongrass to form that dense monoculture you’ll need to start over. “But as it matures, the plant has silica on the edges and will cut cows’ mouths. In open fields and forests cogongrass initially forms circular infestations that appear light green in summer and light brown in winter as can be viewed in these oblique aerial photographs. It isn’t easy: both mowing and burning can cause the plant to produce new seeds and spread. Regular field monitoring (Courtesy Photo), Cotton Research and Promotion Act amendments to continue, UF researchers awarded $1.8M to improve nutrient management of Suwannee Valley farms, APHIS changes approach to fight emerald ash borer (EAB), Maine forestry officials find most trees suspected of pest, Vacancies on Invasive Species Advisory Committee. “It also failed as an erosion control plant because it was too weedy. “Most rural families had a cow for milk and butter, and they needed to feed that cow during the winter. Cogongrass is an aggressive, rhizomatous, perennial grass that is distributed throughout the tropical and subtropical regions of the world. Cogongrass Will Eat Your Garden or Food Forest Trying to get trees and plants established alongside a cogongrass infestation is very hard. It is on the Federal list of noxious weeds and is designated as the world’s seventh worst weed. My goats used to eat some plants when everything else was gone. Thank you, Amanda – much appreciated. That way, they won’t spread through their root system. Credit: Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org If cogongrass is already growing on your property—and in the Southeastern U.S., that’s a common problem—you can fight back. It is time for this menace to show its ugly self with a beautiful bloom. This stuff is tough.”, Cogongrass is also a physical barrier to seedling establishment of native plants, says Browning. “Nothing eats it,” Matthews said. Cogongrass, introduced in the U.S. in the early 1900s as packing material and as livestock forage grass, causes the most expensive losses in pine plantations, where it outcompetes native ground cover and increases the frequency and intensity of fires, Cuda said. University of Florida Institute of Food and Agricultural Sciences. By the same token, I don’t think they can eat huge amounts of cogon grass. There are plenty of plants cows shouldn’t eat, and if you are going to have any amount of cattle, you need to know what they are. (2017, February 22). From a management perspective, cogongrass is undesirable on rights-of-way due to its unsightly nature and propensity for fire. Retrieved October 21, … Perform additional tillage with a disk harrow or other appropriate implement every 6 to 8 … Cogongrass invading forested area. “This invasive grass infests cattle pastures, golf courses, lawns and also thrives in poor soil conditions such as ditch banks, roadside and railroad rights-of-way as well as reclaimed phosphate mining areas,” he said, adding that it grows quickly and alters the ecology of habitats it invades. Cuda cited a 2009 report that showed the state of Alabama spent $6.3 million of federal stimulus funds exclusively for chemical control of the weed. Cogongrass might possibly offer a short-term forage value, but mature leaves are unpalatable to livestock because of high silica content and because the young shoots have sharp points. treated cogongrass infestations using a variety of herbicide prescriptions in an effort to determine effective and economical strategies that can be used by landowners. "Cogongrass was introduced to Mississippi as a new forage crop, however, it is not palatable for livestock, not even goats will eat it," Bozeman said. Management of cogongrass invasions in perennial grass pastures requires diligence and patience at the same time. What is cogongrass? The initial tillage should begin in the spring (March through May) with an implement that inverts the soil to a depth of at least 6 inches. However, when scientists brought the arthropods back to the quarantine facility at the UF/IFAS Indian River Research and Education Center in Fort Pierce, Florida, they did not mate and increase in population. However, they aren’t going to clean up an infested field. So, scientists must conduct more research to determine how to rear the midge in the laboratory in order to evaluate its host specificity and impact on cogongrass, a rather ubiquitous weed in Florida and the southeastern U.S., said Cuda, a biological weed control specialist with UF/IFAS. As the USDA reports: “ (cogongrass) leaf margins are rough to the touch due to tiny, saw-like serrations, a common trait of other grasses as well. Among the arthropods they found, Cuda and his team discovered a midge from Indonesia that attacks cogongrass. Cogongrass is used as a soil binder (to prevent soil erosion), animal feed, and herbal medicine. I didn’t know this was your website. Biological control is more sustainable and can be integrated with conventional controls”. Cogongrass will provide roughage. A worldwide research team led by UF/IFAS entomology professor James Cuda (above) and retired entomology professor Bill Overholt found species in Japan, East Africa and Indonesia that might help in the battle against cogongrass. Cogongrass may easily overtake newly planted pines and cause loss in This article can help with that. There are acres and acres of invasive cogongrass across the South. At this point whatever seeds are in the soil will have their chance. All Right Reserved. Currently, cogongrass control is accomplished with mowing and herbicides, which can be costly and are not always effective. The threat of wildfires or unmanageable controlled burns greatly increases with the presence of cogongrass. Much like the kudzu vine, cogongrass was then deliberately planted by well-meaning Americans. These factors can spell trouble for people and structures near large infestations. With no native competition or consumers, cogongrass spread … “Biological control using natural enemies from the native range of cogongrass has received little attention, and no biological control agents have been introduced anywhere in the world,” Cuda said. “Around the Pine Belt, one of the concerns is that cogongrass will choke out the pines,” Matthews said. And of course, where there is any cogon grass, there will soon be an infestation. Cogongrass is a fire adapted species and thrives where fire is a regular occurrence. “Cogongrass has been in the United States for decades but only in the last few years was labeled a noxious weed in Mississippi. Loving your articles and videos on youtube. Yeah, this one is definitely out of place! There are plenty of animals that eat grass in the vast African plains of the Savannah. It is known to infect 35 crops in 73 countries and can be found on more than 1.2 billion acres worldwide. Photo by Charles T. Bryson, courtesy of Bugwood.org. A few bugs may be able to chew up … A perennial grass, it grows on every continent except Antarctica and has earned a reputation as one of the worst weeds on Earth. Cuda and his team are focusing on the Orseolia javanica midge that causes cogongrass to produce linear galls at the expense of leaves. Cogongrass displaces native plant species and can permanently alter an ecosystem, including wildlife and fire regimes. You won’t be missing out on anything but trouble. Cogongrass plants range from 2 to more than 4 feet tall, with ½-inch to 1-inch-wide leaves that appear to grow directly from ground level. Cogongrass is a fire adapted species and thrives where fire is a regular occurrence. Sign up for the Morning Ag Clips below! If goats do eat cogongrass, it can cut their tongues. © 2020 Morning Ag Clips, LLC. Cogongrass is a very aggressive perennial grass. They also had hogs, which they raised in pastures where they would root up and eat rhizomes of grasses like cogongrass.”. Cogongrass fires are hotter, faster and higher than native grass fires. Thank you, Amanda – that’s very good to know. Cogongrass makes kudzu look like a lightweight. And if someone made sure that there are some bahia or bermuda seeds there they will take over. So, if one wants to use animals to clear cogongrass, the animals need to be supplemented with some low volume high-protein feed, like flaxseed meal. Pictures are worth more than words. The irony in this situation is that one of the reasons cogongrass was first imported was for animals to eat: “It was intentionally introduced from the Philippines into Mississippi as a possible forage in 1921. In the 1920s ranchers planted it with the hope that they had found a new forage crop for their cattle. At that time, it was being used as packing material. Hasn’t commented in a while but I’m still following your adventures with great interest! The latest research on biological control of cogongrass appears in the journal Florida Entomologist. This rough margin can cut the tongue of a grazing animal, and due to high silica content, cogongrass is a useless forage crop.” ), is a very aggressive exotic perennial grass that entered Alabama in 1911 in packing material from Japan. Planet Whizbang is Going Out of Business. It keeps other plants from germination. That’s encouraging. small_cogon_1120337.jpg Now is the time to take action against Cogongrass. It also displaces native vegetation in sand hill communities in Florida. 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