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Cynodon dactylon

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Cynodon dactylon, also known as dūrvā grass, Dhoob, Bermuda grass, dubo, dog's tooth grass, Bahama grass, devil's grass, couch grass, Indian doab, arugampul, grama, and scutch grass, is a grass that originated in the Middle East.<ref>Farsani TM, Etemadi N, Sayed-tabatabaei BE, Talebi M. Assessment of Genetic Diversity of Bermudagrass (Cynodon dactylon) Using ISSR Markers. Int J Mol Sci. 2012;13(1):383-92.</ref> Although it is not native to Bermuda, it is an abundant invasive species there. It is presumed to have arrived in North America from Bermuda, resulting in its common name.Template:Citation needed



The blades are a grey-green colour and are short, usually Template:Convert long with rough edges.<ref name="bidgeebush">Template:Cite book</ref> The erect stems can grow Template:Convert tall. The stems are slightly flattened, often tinged purple in colour.

The seed heads are produced in a cluster of two to six spikes together at the top of the stem, each spike Template:Convert long.<ref name="bidgeebush"/>

It has a deep root system; in drought situations with penetrable soil, the root system can grow to over Template:Convert deep, though most of the root mass is less than Template:Convert under the surface. The grass creeps along the ground and roots wherever a node touches the ground, forming a dense mat. C. dactylon reproduces through seeds, runners, and rhizomes. Growth begins at temperatures above Template:Convert with optimum growth between Template:Convert; in winter, the grass becomes dormant and turns brown. Growth is promoted by full sun and retarded by full shade, e.g., close to tree trunks.

Cultivation and uses

Cynodon dactylon is widely cultivated in warm climates all over the world between about 30° S and 30° N latitude, and that get between Template:Convert of rainfall a year (or less, if irrigation is available). It is also found in the U.S., mostly in the southern half of the country and in warm climates.

It is fast-growing and tough, making it popular and useful for sports fields, as when damaged it will recover quickly. It is a highly desirable turf grass in warm temperate climates, particularly for those regions where its heat and drought tolerance enable it to survive where few other grasses do. This combination makes it a frequent choice for golf courses in the southern and southeastern U.S. It has a relatively coarse-bladed form with numerous cultivars selected for different turf requirements. It is also highly aggressive, crowding out most other grasses and invading other habitats, and has become a hard-to-eradicate weed in some areas (it can be controlled somewhat with Triclopyr, Mesotrione, Fluazifop-p-butyl, and Glyphosate).<ref>Template:Cite web</ref><ref>Template:Cite journal</ref> This weedy nature leads some gardeners to give it the name of "devil grass".

Bermuda grass has been cultivated on saline soils in California's Central Valley which are too salt-damaged to support agricultural crops; it was successfully irrigated with saline water and used to graze cattle.<ref>Template:Cite journal</ref><ref>Template:Cite web</ref>

The hybrid variety 'Tifton 85', like some other grasses (e.g. sorghum), produces cyanide under certain conditions,<ref>Template:Cite web</ref> and has been implicated in several livestock deaths (note that in several places this variety has been incorrectly reported as a genetically modified strain;<ref>Template:Cite news</ref> actually it is a conventionally bred F1 hybrid<ref>Template:Cite web</ref>).


  • Tifgreen (Most drought resistant)<ref>Shi H, Wang Y, Cheng Z, Ye T, Chan Z. Analysis of natural variation in bermuda grass (Cynodon dactylon) reveals physiological responses underlying drought tolerance. PLoS ONE. 2012;7(12):e53422.</ref>
  • Tifway
  • LaPaloma
  • Riviera
  • SR9554
  • Laprima
  • Veracruz
  • Wrangler
  • Yukon

See also




External links


  • This page was last modified on 27 July 2015, at 10:14.
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