A cogongrass fire is hot and fast. Cogongrass has a very substantial rhizome root system. Imazapyr has both soil and foliar activity and can severely injure susceptible plant species that are planted too soon after the last treatment. First, cogongrass infestations usually occur in circular patches. 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). Their establishment will be more challenging than the commonly available nonnative plants so often used for soil stabilization and wildlife food plots. Cogongrass (Imperata cylindrica (L.) Beauv. Georgia Forestry Commison and private tree nurseries are good sources of many species of native trees and shrubs. Cogon grass can be tough to kill. Buddha is said to have made a seat out of cogon grass for meditation. I know I will still have to kill the roots somehow or it will spread further. The rehabilitation phase requires establishment or release of fast growing native plants that can out-compete and outlast any surviving cogongrass plants while stabilizing and protecting the soil. I got tired of waiting for the Cogon Grass to die so I pulled it up. Light seeded native species are usually present in the seed-bank while heavier seeded plants will gradually be deposited on a site by birds and other animals. Cogongrass, Cogon grass, Japanese bloodgrass, Red Baron grass. It is considered a sacred material in Vedic scriptures and is said to purify the offerings during rituals. Cogongrass in small (less than 20 foot diameter) patches can be treated with a glyphosate solution in early fall (August through October). It has also been introduced to Latin America, the Caribbean, and the southeastern United States. )is a warm-season perennial grass species found throughout tropical and sub-tropical regions of the world (Hubbard 1944). Proceed with extreme caution and careful planning and preparation. Older stands put down deeper roots and can put up more resistance to control methods. Results suggest cogon grass is a good source of antioxidants. Keep spray and spray drift off any desirable plants. Burning or mowing prior to herbicide application may increase chemical effectiveness by eliminating thatch and causing the production of new growth, which better absorbs pesticide. Glyphosate has no soil residual activity. The roots grow very deep and spread. Cogongrass (Imperata cylindrica) is an aggressive invader of natural and disturbed areas throughout the Southeast. Perform additional tillage with a disk harrow or other appropriate implement every 6 to 8 … In recent years, native plant seed and seedlings have become increasingly available for rehabilitation sowing and planting, but a limited number of species and absence of well-developed establishment procedures often hinder use. Young infestations are usually easier to control than older well-established infestations. There are about 8 areas in Hundred Acre Hollows […] Camacho, Joanne Cinderella Calixto,Rener De Jesus,Windelbert Jormay,Ma. Cogon Grass is a tall grass that is highly invasive. Flowering typically occurs in spring or after disturbance of the sward (mowing, etc.). Once again, if feasible, prescribe burn the site between January and March to eliminate the thatch. Cogon grass grows 0.6–3 metres (2–10 feet) tall and has roots that can reach more than 1 metre (3.3 feet) long. The roots are often outside the above-ground zone before the above ground portions of the plant emerge, so spraying outside spots is necessary. Cogongrass control varies according to the age and rhizome mat density and depth. Junielyn Genaro 5,819 views. Whitish, prominent midrib, that is often off center. Latin name: Imperata cylindrica. A Better Approach to Controlling Cogongrass - BASF Factsheet The leaves reach 2–6 feet in height. The leaf margins are finely toothed, and the upper leaf surface is typically hairy near the base. Some cultivars are grown as ornamentals, and the plant is commonly used for erosion control. 4:43. Treat larger infestations with glyphosate using a tractor-mounted boom sprayer calibrated to deliver 10 to 15 gallons of spray solution (water + herbicide) per acre. The roots go deep and regrow easily. Do not use surfactant with this treatment, as severe tree injury and/or mortality will result. Cogon grass (Imperata cylindrica) is an invasive, non-native grass which occurs in Florida and several other southeastern states. Herb: Cogongrass. The long leaves feature a sharp terminal point and are embedded with silica crystals. Early detection of cogon grass in any setting is extremely important. This combination may be applied by helicopter and should include a suitable surfactant not to exceed 0.5%. c Arsenal, Arsenal AC, and Chopper are registered trademarks of BASF, 26 Davis Drive, Research Triangle Park, NC 27709. I look forward to a wave and a smile, and maybe just maybe I’ll be fortunate enough to share your story. d Oust XP is a registered trademark of Dupont, Wilmington, DE 19898. Most vegetables, row crops, and ornamentals will be injured if planted with 24 months following an imazapyr application. Native to Southeast Asia, cogongrass is an aggressive invasive plant that that has spread to all continents except Antarctica (MacDonald 2004) and is considered among the worst problematic weeds on a global scale (Holm et al. In some places you aren’t allowed to plant it. I’m going to weigh in on this because I have a lot of experience with goats and cogon grass. The seed head (Figure 3) is fluffy, white, and plume-like. Even at high rates and using tank-mix combinations, cogongrass often regenerates within a year following a single application of either product. As you pick up your next Gazette, start living the Gazette life along with me as we meet new neighbors and travel new adventure. Seed heads range from 2 to 8 inches in length a… In slash and longleaf pines over 5 years of age do not treat with an over-the-top spray until after September 15 using a 12 to 14 ounce rate of Arsenal AC per acre without surfactant. This article was most recently revised and updated by, https://www.britannica.com/plant/cogon-grass. On well-established pines (DBH > 5 inches), apply the site prep mixture described above from August through October, taking care not to contact pine foliage. 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