Introduction to bermudagrass

1、 Origin and distribution of Bermuda root

Bermuda root （Cynodon dactylon L.） Also known as Bermuda grass 、 Bermuda 、 Devil grass 、 Sofa grass, etc , It is a genus of Bermuda in the subfamily thrush of Gramineae , It belongs to perennial herb . It originated in Africa and other places , Then it was introduced into America , It is rich in invasive species .
at present , Bermudagrass is widely planted in warm regions all over the world , At geographical north latitude 30 To south latitude 30 Degrees are distributed .

2、 Biological characteristics of Bermuda root

Bermuda root leaves are grayish green , The leaves are short , Usually 2-15cm, Rough blade edges . Bermudagrass erect stem can reach 30cm, The stem is slightly flat . When flowering , The top of the stem forms a cluster of spikes （ Include 2-6 Spikes ）, Each spike is long 2-5 centimeter . Bermuda root with seeds 、 Stolons and rhizomes reproduce . Usually, the root system of Bermuda root is deep , In dry conditions , The root system can reach 2m, Most roots are 60cm about . In a natural state , Bermudagrass stolon crawls on the ground , The stem node can take root . Dog tooth root growth needs 15 Centigrade , The optimum growth temperature is 24 To 37 Between degrees Celsius , Sufficient sunlight is conducive to the growth of Bermuda roots , In the winter , The grass becomes dormant and turns brown as a whole .

Bermuda root has good stress resistance , It is drought resistant 、 Salt and alkali resistance 、 Trampling 、 Strong adaptability and fast reproduction .

The morphology of Bermuda root is mainly in the form of the following figure ：

3、 Application of Bermuda root

Bermudagrass is a widely distributed lawn grass , It can also be used to produce herbage and medicinal materials .

4、 Bermudagrass genome

Bermuda diploid genome
Tetraploid genome of Bermuda root

Reference resources ：
https://antropocene.it/es/2019/02/11/cynodon-dactylon/
https://acsess.onlinelibrary.wiley.com/doi/abs/10.2135/cropsci1969.0011183X000900060031x
https://baike.baidu.com/item/%E7%8B%97%E7%89%99%E6%A0%B9/813633
https://en.wikipedia.org/wiki/Cynodon_dactylon
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