Current location - Education and Training Encyclopedia - Graduation thesis - What are the general characteristics of cold lawn grass? What are the common cold lawn grasses?
What are the general characteristics of cold lawn grass? What are the common cold lawn grasses?
Cool-season lawn is a kind of lawn that can grow in cold environment and keep green. Strong cold tolerance, vigorous vitality, not afraid of cold. Generally, the most suitable temperature for growth is 15 ~ 25 degrees, and it will grow slowly when it exceeds 30 degrees. This kind of lawn is mainly planted in the north of China.

The cool-season lawns mainly include Kentucky bluegrass, perennial ryegrass, tall fescue, tall fescue and peach. Here are some specific introductions.

Blue grass

Poa pratensis is a very common cool-season lawn, which has strong cold tolerance, drought tolerance, shade tolerance, certain heat tolerance and strong adaptability, and is widely distributed in China. The lawn of Poa pratensis is smooth and beautiful after molding, and the greening effect is good, weeds are not easy to invade, and the later maintenance is very simple and worry-free. Poa pratensis can be used not only as green slope protection lawn and sports field lawn, but also as forage grass, which has many uses and high economic value.

ryegrass

Perennial ryegrass is a kind of cool-season forage with fast growth rate. It likes cool and humid climate, has strong cold tolerance, but is afraid of heat. It turns yellow to sleep in summer, so this kind of lawn is mostly planted in the north. Perennial ryegrass grows very fast. Only by ensuring sufficient moisture can it quickly become a lawn, and it grows very luxuriantly, with excellent grass quality, excellent turf formation effect and wide planting range.

Tall fescue

Festuca arundinacea is cold-tolerant, drought-tolerant, and has certain heat resistance. It can grow in the shade, is not picky about the soil and has strong adaptability to the environment. It is a very common cool-season lawn. Festuca arundinacea leaves grow luxuriantly and have strong tillering ability. After the lawn is formed, the effect is very good and the root system is very developed. It can also resist trampling. It can be used as playground lawn or slope protection lawn, and it can also be used as high-quality forage during livestock feeding, resulting in considerable economic benefits.

The above-mentioned cool-season lawn varieties have strong vitality and excellent cold resistance, and can survive even in cold weather. They are the main types of lawns planted in northern China, with wide distribution and very good market prospects.