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Method for preventing degeneration of cynodon lawn grass and repairing degeneration
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A bermudagrass and turfgrass technology is applied in the field of preventing bermudagrass turfgrass degradation and degeneration restoration, and can solve the problems of reducing the use value and service life of bermudagrass turf, reducing the effect of turf use, etc., to prevent degradation and achieve simple and effective operation. Effect
Inactive Publication Date: 2017-12-22
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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Problems solved by technology
General routine management, newly-built bermudagrass turf will gradually appear the above-mentioned degradation phenomenon after 3 years of use, and the effect of turf will gradually decline, seriously reducing the use value and service life of bermudagrass turf
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Embodiment 1
[0019] Experimental location: Newly built bermudagrass lawn in Jiangsu Vocational and Technical College of Agriculture and Forestry. It has been planted for 2 years and has not yet degenerated. The coverage rate of bermudagrass is 100%.
[0020] The method of the present embodiment comprises the conventional management method in comparative example 1, and concrete other steps are:
[0021] On November 20, 2012, the lawn was trimmed close to the ground, and then sprayed with plant growth regulators, IAA 1.0+NAA1.5mg / L, 10L / m 2 , watering, to ensure that the soil below 5cm moist.
[0022] On December 5, 2012, spray plant growthregulator, IAA1.5+NAA0.5mg / L, 10L / m 2 , water to ensure that the soil is below 5cm moist;
[0023] On December 5, 2013, the lawn was trimmed close to the ground, and then sprayed with plant growth regulators, IAA1.0+NAA1.5mg / L, 10L / m 2 , watering.
[0024] On January 15, 2014, spray plant growth regulator, IAA1.5+NAA0.5mg / L, 10L / m 2 , water to ensure...
Embodiment 2
[0041] Experimental site: Bermudagrass lawn of Jiangsu Agriculture and Forestry Vocational and Technical College. It has been planted for 7 years and has serious degradation.
[0042] Lawns in degraded lawn areas (50-60% bermudagrass coverage) were treated.
[0043] The method of the present embodiment comprises the conventional management method in comparative example 2, and concrete other steps are:
[0044] On February 25, 2013, the lawn was first cut low on the ground, and then sprayed with plant growth regulators, IBA 1.0+ZT0.5 (10 -6 ), 10L / m 2, watering to ensure that the soil at 5cm of the soil is moist; then carry out sand covering treatment, medium sand (particle size 1.0mm), and the thickness of the sand covering is 3cm.
[0045] On May 30, 2013, spray 6-BA directly on the lawn, 1.0mg / L, 12L / m 2 .
[0046] On July 25, 2013, spray 6-BA directly on the lawn, 1.0mg / L, 10L / m 2 .
[0047] On November 5, 2013, spray ZT directly on the lawn, 0.8mg / L, 15L / m 2 .
[0...
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Abstract
The invention discloses a method for preventing degeneration of cynodon lawn grass and repairing degeneration. The method includes processes for preventing the degeneration of cynodon lawn which is constructed for shorter than 3 years and processes for repairing the degeneration of cynodon lawn which is constructed for longer than 3 years and is already under degeneration conditions. The processes for preventing the degeneration of the cynodon lawn include carrying out ground clinging trimming operation on the lawn when cynodon is in phases of withered and yellow periods; preventing the degeneration of the cynodon lawn grass by the aid of plant growth regulators applied in dormant periods. The processes for repairing the degeneration of the cynodon lawn include trimming the lawn in a ground clinging manner at first; primarily applying plant growth regulators with different ratios; carrying out sand covering treatment; applying plant growth regulators with different ratios again. The method has the advantages that the method is easy to implement and can be effectively implemented, the degeneration of the cynodon lawn which is constructed for shorter than 3 years can be pertinently prevented by the aid of the method, accordingly, the cynodon is free of degeneration phenomena, and the coverage rate still can reach 95.23%; the degenerated cynodon lawn which is constructed for longer than 3 years and is already under the degeneration conditions can be pertinently effectively repaired by the aid of the method, and the coverage rate of cynodon lawn can be restored and reaches 87.63%.
Description
technical field [0001] The invention belongs to the field of turfgrass planting, and in particular relates to a method for preventing and repairing bermudagrass turfgrass degeneration. Background technique [0002] Bermudagrass is a turfgrass that belongs to warm-season turfgrass. It has the characteristics of heat resistance, drought resistance, strong regeneration ability, extreme resistance to trampling, short leaves and dark green color, strong fecundity, high density of grass layer after forming a lawn, and excellent lawn properties. It is the most widely used warm-type turfgrass in warm, humid and warm semi-arid regions of the world. All regions in southern my country are planted in large areas, and the amount of bermudagrass turfgrass in various lawns is more than 95%. [0003] Bermudagrass belongs to turfgrass, which is a shallow-rooted plant. The depth of the root system is only about 10cm. With the extension of the planting life, the root activity gradually decrea...
Claims
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Application Information
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