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Domestication method adopted for enhancing salt resistance of festuca arundinacea

A technology of tall fescue and salt resistance, applied in seed treatment methods, botany equipment and methods, applications, etc., can solve problems that have not been studied in depth

Inactive Publication Date: 2010-10-27
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, domestication and introduction of tall fescue on saline-alkali land have not been studied in depth

Method used

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  • Domestication method adopted for enhancing salt resistance of festuca arundinacea
  • Domestication method adopted for enhancing salt resistance of festuca arundinacea
  • Domestication method adopted for enhancing salt resistance of festuca arundinacea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] (1) Preliminary preparation:

[0052] Domestic waste compost comes from Tianjin Xiaodian Composting Plant. The basic physical and chemical properties are: pH 7.62, saturated water content 0.76ml / g, bulk density 0.85g / ml, total nitrogen 5.18%, available phosphorus 77.92mg / kg, organic matter 12.12%. Tall fescue (Festuca arundinacea L.) was selected as the lawn plant.

[0053] The test area is 10×22m 2 , after fully preparing the ground, spread the domestic waste compost with a total weight of 50t on the experimental ground, and then press it to make the compost compact and flat, and the average thickness of the compost matrix is ​​20cm. The sowing method is spring sowing, and the seeds germinate under the condition of proper amount of watering, and the seedlings begin to emerge after one week, and the emergence is basically stable after 40 days.

[0054] Index determination starts from the establishment of planting, and observes the emergence date of each single-sowed a...

Embodiment 2

[0059] The preliminary preparation is the same as in Example 1.

[0060] The planting of tall fescue lawns is the method of lawn vegetation belt: the carrier of the vegetation belt is designed as a double layer, that is, the lower layer is newspaper, and the upper layer is tissue paper. The domesticated tall fescue seeds are bonded between the upper and lower carriers through adhesives; The amount is 0.02g / cm 2 Carry out pre-germination and cultivation to the domesticated tall fescue vegetation zone, transplant on the saline soil matrix after the seeds germinate, the saline soil matrix total amount is 100g, wherein the salt content of saline soil is 0.8%; The upper cultivation period is 35 days; the temperature is controlled at 25°C, the relative humidity is 45%, and the light conditions are 200 lux. Sufficient water is supplied to the plants every day to ensure the normal growth of the plants; Cut the substrate, rinse the roots with distilled water, blot the water on the pla...

Embodiment 3

[0062] The preliminary preparation is the same as in Example 1.

[0063] The planting of tall fescue lawn is the method of lawn vegetation belt: the carrier of the vegetation belt is designed as a double layer, that is, the lower layer is newspaper, and the upper layer is facial tissue. The domesticated tall fescue seeds are bonded between the upper and lower carriers through adhesives; The amount is 0.02g / cm 2 The tall fescue vegetation zone of domestication is germinated and cultivated in advance, and transplanted on the saline soil matrix after seed germination, the saline soil matrix total amount is 100g, wherein the salt content of saline soil is 1%; The upper cultivation period is 35 days; the control temperature is 20°C, the relative humidity is 35%, and the light conditions are 800ux, and sufficient water is supplied to the plants every day to ensure the normal growth of the plants; after the tall fescue plants are cultivated for 35 days, the lawn plants are fully Cut...

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Abstract

The invention relates to a domestication method for enhancing the salt resistance of festuca arundinacea. The domestication method comprises the following domestication processes that: a domestic garbage compost substrate is flatly spread on a sample plot, then the compost becomes compact and flat by press, and the average thickness of the compost substrate is 20cm; the sowing mode is spring sowing, water in the compost substrate, which is used for domesticating the festuca arundinacea in each year, only depends on natural precipitation, and the seeds of the festuca arundinacea are harvested after 4 domestication years; a lawn nursery strip mode is as follows: the carrier of the lawn nursery strip of the festuca arundinacea is designed into double layers, i.e. a lower layer is newspaper and an upper layer is face tissues, and the seeds of the domesticated festuca arundinacea are bonded between an upper carrier and a lower carrier by an adhesive; the sowing quantity is 0.02g / cm2; after the seeds germinate, the seeds are transplanted onto a saline soil substrate with the salt content of 0.5 to 1 percent, the temperature is controlled at 20 to 26 DEG C, the relative humidity is 30 to 50 percent, and the normal growth of plants is guaranteed; and after the plants of the festuca arundinacea are cultured for 35d, lawn plants and the substrate are mown, and the salt resistance of the domesticated festuca arundinacea is measured after treatment.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a reasonable and safe use method for composting municipal domestic garbage. More specifically, it is a method of improving the drought resistance of tall fescue using seeds of domesticated plants. Background technique [0002] Soil salinization has become one of the global hot ecological issues and has received extensive attention. In soil salinization control measures, the use of exogenous filling materials such as gypsum, organic polymers, waste fly ash, sand, and various fertilizers can improve the structure of saline soil, accelerate salt discharge, and promote the growth of plants in salinized soil. The purpose of absorbing and utilizing water and nutrients under certain conditions. The research of Zhang Lingyun and Zhao Gengxing showed that the application of saline soil remediation materials can reduce soil salinity, bulk density and pH value, increase soi...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C1/04
Inventor 多立安赵树兰
Owner TIANJIN NORMAL UNIVERSITY
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