Method for improving seed germination speed and seedling regularity of kentucky bluegrass

A technology of bluegrass and uniformity, which is applied to germination equipment and other directions, can solve the problems of poor weed competitiveness, slow germination speed of bluegrass seeds, and irregular germination, and achieves easy manual control, high application value, and high effect obvious effect

Inactive Publication Date: 2011-09-28
DALIAN NATIONALITIES UNIVERSITY
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  • Application Information

AI Technical Summary

Problems solved by technology

But in the actual planting process of lawn, there is the problem that bluegrass seed germination speed is slow, germination is not neat, and bluegrass seed germination is about 10~15 days, and it is slower (about 60 days) to become lawn, and seedling stage and Weeds have poor competitive ability, which affects the speed of lawn formation and planting effect, resulting in slow lawn formation speed, which requires a lot of labor to pull out weeds, which increases the cost of lawn construction

Method used

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  • Method for improving seed germination speed and seedling regularity of kentucky bluegrass
  • Method for improving seed germination speed and seedling regularity of kentucky bluegrass
  • Method for improving seed germination speed and seedling regularity of kentucky bluegrass

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Embodiment 1

[0017] ①Poa pratensis seeds: Poa pratensis L.CV. “Filkin” is a new seed of the current year.

[0018] ②Experimental method: the first group: control group (CK), the pretreated seeds were directly placed in a light incubator at 25°C for seed germination; the second group: variable temperature treatment group (BW), the pretreated seeds were firstly treated at 25°C every day 12h, then treated at -10°C for 12h, and the treatment time was 5d, and placed in a 25°C light incubator for seed germination; the third group: laser irradiation group (JG), the laser radiation of the pretreated seeds was irradiated with a wavelength of 632.8nm, and the output power The density is 128mW / cm 2 He-Ne laser, radiation dose 25.0J / cm 2 , irradiated for 30 seconds, and then placed in a light incubator at 25°C for seed germination; the fourth group: mixed treatment group (HH), mixed treatment with variable temperature laser irradiation, firstly treated with variable temperature, and treated the pretr...

Embodiment 2

[0023] ①Poa pratensis seeds: Poa pratensis L.CV. "Nasu" is a variety of bluegrass, which is old seeds stored for 3 years after harvest.

[0024] ②Experimental method: the first group: control group (CK); the second group: variable temperature treatment group (BW), the pretreated seeds were firstly treated at 25°C for 12h every day, and then treated at -10°C for 12h, and the treatment time was 5d; Three groups: laser irradiation group (JG), the wavelength of laser radiation for pretreated seeds is 632.8nm, and the output power density is 128mW / cm 2 He-Ne laser, radiation dose 25.0J / cm 2 , radiation time 30S; the fourth group: mixed treatment group (HH), mixed treatment with variable temperature laser irradiation, firstly treated with variable temperature, the pretreated seeds were first treated at 25°C for 12h every day, and then treated at -10°C for 12h, and the treatment time was 5d , and then carry out laser irradiation treatment on the above seeds, using a wavelength of 63...

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Abstract

The invention relates to the field of practaculture science, and discloses a method for improving seed germination speed and seedling regularity of kentucky bluegrass. The method for improving seed germination speed and seedling regularity of kentucky bluegrass comprises the steps of: Step 1. carrying out poikilothermic treatment for 5 days, firstly carrying out the treatment for 12 hours at the temperature of 25 DEG C, and then carrying out the treatment for 12 hours at the temperature of minus 10 DEG C every day; and Step 2. carrying out He-Ne laser radiation for 30 seconds with the radiation dose of 25.0 joules per square centimeter. By the method for improving seed germination speed and seedling regularity of kentucky bluegrass, the problems that the germinating energy of lawn grass seeds and kentucky bluegrass seeds is low, the seed germinating speed and the seedling growing speed are low, the seedling growing speed is not uniform, and the like can effectively solved; and the method disclosed by the invention is characterized by simple operation, large treatment amount, easy master for workers, obvious effect and the like, and has higher application value on kentucky bluegrass lawn planting and artificial kentucky bluegrass pasture planting.

Description

technical field [0001] The invention relates to a method for promoting seed germination, in particular to a method for improving the germination speed and emergence uniformity of bluegrass seeds, and belongs to the field of grass industry science. Background technique [0002] Bluegrass (Poa pratensis L.) is a perennial herb with creeping thin rhizomes; roots are fibrous. Culms erect, sparsely tufted or solitary, smooth, cylindrical, up to 60-100 cm high, with 2-3 nodes, upper internodes 11-19 cm long. Poa annua grass likes light and shade, likes warmth and humidity, and has strong cold resistance. It is suitable for growing in cold and humid climates. Under cultivation and irrigation conditions, it can also grow well in cool semi-arid and arid environments. Bluegrass grass is an important grass species for establishing lawns in the north. It is mainly used for lawns such as sports fields, golf courses, parks, roadside lawns, and dams, and is usually planted by sowing. But...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/02
Inventor 姜健杨宝灵王冰金黎明
Owner DALIAN NATIONALITIES UNIVERSITY
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