A method for introducing and screening ornamental grasses in coastal saline-alkaline areas

A technology of ornamental grasses and saline-alkali, applied in botany equipment and methods, horticulture, plant cultivation, etc., to achieve the effects of comprehensive evaluation indicators, shortened screening cycle, and short evaluation cycle

Active Publication Date: 2017-05-24
天津泰达园林规划设计院有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a fast and comprehensive method for introducing and screening ornamental grasses suitable for coastal saline-alkali areas, and to solve the problem of breeding ornamental grasses in coastal saline-alkali areas

Method used

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  • A method for introducing and screening ornamental grasses in coastal saline-alkaline areas
  • A method for introducing and screening ornamental grasses in coastal saline-alkaline areas
  • A method for introducing and screening ornamental grasses in coastal saline-alkaline areas

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Embodiment 1

[0022] A rapid and comprehensive screening method for the introduction and screening of ornamental grasses suitable for coastal saline-alkaline areas, comprising the following steps: taking salt tolerance, negative tolerance, drought tolerance, and waterlogging tolerance as evaluation indicators, and using gray correlation analysis to evaluate ornamental grasses;

[0023] For the salt tolerance experiment, take out the root of the ornamental grass, wash the root soil, and place it in a container with half a dose of Hoagland nutrient solution for complete hydroponics. After three days, replace the culture solution with a concentration of 0.2%, 0.4%, 0.6%, 0.8%, 1.0%, 1.2% double salt solution, the double salt solution is NaCl, Na 2 SO 4 and NaHCO 3 Prepared with distilled water at a molar ratio of 1:1:3, the concentration is the mass concentration, and the lethal salt concentration is recorded after 14 days; the lethal salt concentration is 0.2%, 0.4%, 0.6%, 0.8%, 1.0%, 1.2%, ...

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Abstract

The invention relates to an introduction and screening method for ornamental grass in a coastal salt and alkali area. The method comprises the following steps that salt tolerance, shade tolerance, drought tolerance and flooding tolerance are used as evaluation indexes, and the ornamental grass is evaluated through grey correlation analysis. The method is comprehensive in evaluation index, the actuality of the coastal salt and alkali area is met, the evaluation period is short, the screening period is shortened, and introduction and promotion of the varieties of the ornamental grass in the coastal salt and alkali area are facilitated.

Description

technical field [0001] The invention relates to a method for introducing and screening ornamental grasses, in particular to a method for introducing and screening ornamental grasses in coastal saline-alkaline areas. Background technique [0002] In recent years, as a new type of plant landscaping material, perennial ornamental grasses have attracted increasing attention due to their longer green period, lower water consumption and good near-natural effect. There are many kinds of ornamental grasses, which are quite a large group. They have high ornamental value, various plant types, colorful leaf colors, and unique and spectacular inflorescences. At the same time, most ornamental grasses have extensive environmental requirements, low maintenance costs, and strong resistance. It has strong fecundity and strong adaptability, and meets the current requirements for building conservation-oriented gardens. It has been widely used in gardens in the United States, New Zealand, Austr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00
CPCA01G22/00A01G31/00
Inventor 王振宇张清田晓明慈华聪张楚涵王鹏山
Owner 天津泰达园林规划设计院有限公司
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