Evergreen mixed-growing lawn composed of bermuda grass and Kentucky bluegrass and its cultivating method

A technology for bluegrass and bermudagrass is applied in planting methods, botanical equipment and methods, gardening and other directions, and can solve the problems of high maintenance costs, lawns affecting lawn leisure functions, and uneven transition of grass species, so as to avoid summer diseases. , saving seed cost, stable effect of grass seed conversion

Inactive Publication Date: 2008-04-30
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1) Poor heat resistance
The optimum growth temperature of cool-season turfgrass plants such as tall fescue and bluegrass is 15-20°C, and they show obvious growth inhibition at temperatures above 30°C, and severe growth failure at temperatures above 35°C. Metabolic exhaustion, lack of energy metabolism, tall fescue and bluegrass lawns are difficult to survive the summer safely
[0010] 2) Poor disease resistance
[0011] 3) High maintenance cost
[0018] 1) Turf quality is poor during the transition period of grass species in spring and autumn
The main problem of the "dwarf Bermuda + ryegrass" model is that the lawn transition period between spring and autumn is t...

Method used

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  • Evergreen mixed-growing lawn composed of bermuda grass and Kentucky bluegrass and its cultivating method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] "Sports Bermuda + bluegrass" evergreen mixed lawn

[0041] The common bermudagrass variety "Sports Bermuda" was used as the bermudagrass variety, and "Nuglade" and "MidnightII" (1:1) were used as the bluegrass variety. On the established sports Bermuda lawn, the evergreen mixed lawn is established by the method of chasing bluegrass seeds in autumn, and the specific establishment method is as follows:

[0042] 1. From the end of September to the beginning of October, use a grass groomer to carry out second grass trimming on the sports Bermuda lawn. The direction of the first grass trimming and the second grass trimming direction are perpendicular to each other, cutting through the withered grass layer of the sports Bermuda lawn;

[0043] 2. 2 days before sowing bluegrass, adjust the mowing height of the sports Bermuda lawn, the mowing height is reduced to 1.8 cm, and the low mowing is done once;

[0044] 3. Sow bluegrass seeds with a seeder (rotary seeder or straight-fa...

Embodiment 2

[0050] "Dwarf Bermuda + bluegrass" evergreen mixed lawn:

[0051] The bermudagrass variety was a triploid hybrid Bermuda variety "Dwarf Bermuda", and the bluegrass variety was "Nuglade" and "Midnight II" (1:1). On the dwarf Bermuda lawn that has been built, the lawn of evergreen and mixed growth is built by the method of top-seeding bluegrass seeds in autumn, and the specific planting method is as follows:

[0052] 1. From the end of September to the beginning of October, use a lawn groomer to perform a second weeding on the dwarf Bermuda lawn. The direction of the first weeding is perpendicular to the direction of the second weeding, and the hay of the dwarf Bermuda lawn is scratched. Floor;

[0053] 2. Adjust the pruning height of the dwarf Bermuda lawn 2 days before sowing bluegrass seeds. The pruning height is reduced to 1.2 cm, and the low pruning is performed at least once;

[0054] 3. sowing bluegrass seeds with a planter, the bluegrass seeds of "Nuglade" and "Midnigh...

Embodiment 3

[0060] Insert and sow Bermudagrass stems on bluegrass lawns to build evergreen mixed lawns:

[0061] In spring, when the temperature is stable above 18°C, drill a hole and insert a section of common bermudagrass seed stem on the bluegrass lawn that has formed a lawn, and gradually convert the grass species through the creeping growth of the bermudagrass seed stem. The specific construction method is as follows:

[0062] 1. From April to June, after the temperature is stable above 18°C, drill holes in the bluegrass lawn that has formed a lawn, with a hole spacing of about 10 cm;

[0063] 2. Vertically insert a segment of Bermudagrass stem with 3-4 internodes into the hole;

[0064] 3. Fill the hole with soil so that at least one node of the bermudagrass seed stem is exposed to the ground, and step on the soil so that the seed stem buried in the hole is in close contact with the soil;

[0065] 4. Irrigate and keep the soil moist until the axillary buds on the bermudagrass stem...

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Abstract

The invention relates to an evergreen mixing lawn consisting of cynodon dactylon and kentucky bluegrass and the planting method of the lawn. The natural characteristics of the cold-season kentucky bluegrass and the warm-season cynodon dactylon are utilized, the characteristics that the kentucky bluegrass has underground rhizomes and the cynodon dactylon has the growth habit of growing surface runners are utilized, and the mode that the seeds of the kentucky bluegrass are reseeded on a cynodon dactylon lawn or the rhizomes of the cynodon dactylon are inserted on a kentucky bluegrass lawn to build the mixing lawn. The two plants forming the mixing lawn can naturally circulate, the cynodon dactylon mainly grows and the kentucky bluegrass rests as underground rhizomes in summer, auxiliary buds of the rhizomes of the kentucky bluegrass grow upwards to get through the surface runners of the cynodon dactylon to form plants to take place of the cynodon dactylon before the cynodon dactylon turns yellow in august, the kentucky bluegrass grows in winter and the cynodon dactylon rests as surface runners, the surface runners of the cynodon dactylon germinate in the next spring to gradually take place of the kentucky bluegrass, and thereby that the lawn is evergreen is realized.

Description

technical field [0001] The invention relates to a lawn planting method, in particular to an evergreen urban greening lawn composed of two lawn plants, Bermudagrass and Poa annua, and a planting method thereof, belonging to the field of urban greening construction. Background technique [0002] Landscaping is the main content of ecological city construction. Because lawn not only has important ecological functions such as reducing urban heat island effect and reducing atmospheric dust pollution, but also provides green leisure activities for urban residents, lawn has always occupied an important role in urban green space. more than one-third of the area. In recent years, my country's urban green area has grown rapidly, and many cities have reached or approached the level of 10 square meters per capita. With the improvement of people's living standards, the requirements for the ecological function and leisure function of urban green space are getting higher and higher. The co...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C14/00
Inventor 王兆龙胡玉咏刘露朱燕华
Owner SHANGHAI JIAO TONG UNIV
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