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Computer estimation method for salt tolerance of non-halophyte herbaceous plant

A herb and computer technology, which is applied in the field of computer evaluation, can solve the problems of difficulty in evaluating the salt tolerance of soil salinity plants, difficulty in human control, and no computer evaluation method for salt tolerance identification of non-halophyte herbs.

Inactive Publication Date: 2007-08-15
INST OF SOIL & FERTILIZER SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is convenient to use indoor soil culture or hydroponic data to evaluate the salt resistance of plants, but there are certain limitations. Almost all indoor data are a few thousandths higher than the actual salt tolerance of plants. It is very difficult, because in the natural state, the soil salinity content is changing and it is difficult to control it artificially, which brings difficulties to the determination of soil salinity and the evaluation of plant salt tolerance
There is no report on the comprehensive identification and evaluation method of plant salt tolerance combined with field direct identification and physiological and biochemical indicators, and there is no computer evaluation method for salt tolerance identification of non-halophytic herbaceous plants

Method used

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  • Computer estimation method for salt tolerance of non-halophyte herbaceous plant
  • Computer estimation method for salt tolerance of non-halophyte herbaceous plant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1: Identification of Salt Tolerance of Martin's Reed Fescue (Festuca Arundinacea)

[0049] 1. Materials and methods

[0050] Introduced species: Martin's reed fescue (Festuca Arundinacea)

[0051] Test method: According to the introduction of the characteristics of the introduced martin reed fescue, use the highest salt content of 0.8% to conduct greenhouse cultivation and pot experiments, and conduct necessary laboratory analysis.

[0052] (1) Seed germination rate greenhouse cultivation test: use chemically pure NaCl to make 0 (without adding NaCl), 0.2%, 0.3%, 0.4%, 0.5%, 0.6% and 0.8% 7 different gradient salt solutions, in diameter Add about 5 grams of washed sawdust to a 120mm petri dish, cover with a layer of filter paper, add about 40ml of prepared saline solution to each petri dish, and then put 50 seeds in an incubator. Under variable temperature conditions, 9 hours at 18 degrees and 15 hours at 28 degrees are alternately cultivated. During the cult...

Embodiment 2

[0062] Example 2: Identification of Salt Tolerance of Agropyron australis

[0063] 1. Materials and methods

[0064] Introduced species: Orbita icegrass

[0065] Test method: (1) Seed germination rate test: use chemically pure NaCl to prepare 8 different gradient salts of 0 (without adding NaCl), 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.8% and 1.6% Solution, add about 5 grams of washed sawdust to a petri dish with a diameter of 120mm, cover with a layer of filter paper, add about 40ml of prepared salt solution to each petri dish, then put 50 seeds, and place in a warm In the box, they were cultivated alternately at 18 degrees for 9 hours and 28 degrees for 15 hours under variable temperature conditions. During the cultivation period, the evaporated water should be replenished in time, and the salt concentration of each treatment should be kept constant based on the level of the liquid surface and the sawdust surface. Repeat 3 times for each different gradient salt solution. After 1...

Embodiment 3

[0075] Embodiment 3: Salt tolerance identification of Holdfast weed

[0076] 1. Materials and methods

[0077] Introduced species: Holdfast weed

[0078] Test method: According to the introduction of the variety characteristics of the introduced Holdfast weed, the highest salt content of 0.6% is used to conduct the seed germination rate test and pot test, and carry out necessary laboratory analysis.

[0079] (1) Seed germination rate test: use chemically pure NaCl to prepare 6 salt solutions with different gradients of 0 (without adding NaCl), 0.2%, 0.3%, 0.4%, 0.5% and 0.6%, in a petri dish with a diameter of 120mm Add about 5 grams of washed sawdust to the medium, cover with a layer of filter paper, add about 40ml of the prepared salt solution to each petri dish, and then put 50 seeds in the incubator, under variable temperature conditions 18 degrees 9 hours and 15 hours at 28 degrees alternate cultivation. During the cultivation period, the evaporated water should be rep...

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Abstract

This invention relates to one non-salt herb's anti-salt property computer evaluation method, which selects non-salt herb plant relative germinating rate, germinating period dry weight, relative water rate, mass film transparent rate, leave Na+ / K+(ei), root system Na+ / K+(fi) as non-salt herb plant remains adaptive property evaluation index system for adaptive property with different salt content, wherein, the evaluation adopts computer evaluation method with high accordance between evaluation result and field plant result height.

Description

1. Technical field [0001] The invention relates to a computer evaluation method, in particular to a computer evaluation method for the salt tolerance performance of non-halophytic herbs. 2. Background technology [0002] The development and utilization of salinized soil is the need of agricultural development in my country and even in the world. According to the statistics of the World Food and Agriculture Organization and UNESCO, there are about 950 million hectares of various saline soils in the world, accounting for 10% of the global land area, and are widely distributed in more than 100 countries and regions. Due to the secondary salinization of soil, the area of ​​saline soil in the world is still increasing. Coastal salinized tidal flats such as the Yellow River Delta in my country have the characteristics of high salinity in the soil, high groundwater salinity, and scarcity of freshwater resources. Therefore, it is more difficult to develop and utilize than inland sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/00G06F19/00A01G7/00
Inventor 董晓霞李彦张海松张英鹏王学军郭洪海
Owner INST OF SOIL & FERTILIZER SHANDONG ACAD OF AGRI SCI
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