Method for improving salt tolerance of peppermint by spraying microbes to blade surfaces

A foliar spraying and microbial technology, applied in the fields of botanical equipment and methods, chemicals for biological control, biocides, etc., can solve the problems of sensitive soil solution concentration, slow plant growth, yield reduction, etc. The effect of wilting, high content and simple operation

Inactive Publication Date: 2010-09-22
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the distribution of mint underground rhizomes is relatively shallow, mainly concentrated in the soil layer of about 10 cm. Although the soil quality is not strict, sandy loam, soil and humus soil can be cultivated, but it is sensitive to the concentration of the soil solution. 6.5 is appropriate, otherwise it is easy to cause slow plant growth and reduce production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] When the mint rhizomes or seeds are propagated, dilute the fungus 10 times and dip the roots or soak the seeds. After that, the fungus is diluted 500 times. From the two-leaf stage, spray the leaves once a week, and spray 4 times in a row. Stop applying 1 After 1 month, still take 500 times of liquid, spray once every 2 weeks on the leaves, stop spraying for one month after spraying 4 times continuously, and spray once every 2 weeks when entering the flowering stage, until harvesting, After the first cut, after flowering, still take 500 times of liquid and spray on the leaves every 2 weeks until the end of harvesting.

Embodiment 2

[0014] When propagating mint rhizomes or seeds, dilute the fungus 10 times and dip the roots or soak the seeds. After that, dilute the fungus 200 times and spray the leaves once a month from the two-leaf stage until harvesting. After the first cut After flowering, still take 200 times of liquid and spray on the leaves once a month until the end of harvesting.

Embodiment 3

[0016] If the cultivation conditions permit, if the young stems and leaves are harvested every year, then dilute the bacterial agent by 200 times, and spray the leaves once a month from the two-leaf stage. Foliar spray 1 time, until the end of harvest.

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PUM

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Abstract

The invention discloses a method for improving salt tolerance of peppermint by spraying microbes to blade surfaces, which relates to a method for improving soil stress resistance of crops, wherein the microbes are Rhodopseudomonas palustris SHII-3, and a culture medium prepared from a microbial inoculum comprises 0.02g of CaCl2, 1.0g of NH4Cl, 0.2g of K2HPO4, 0.2g of MgCl, 2.0g of NaCl, 30.05mg of NaHCO3, 3.0g of sodium acetate, 0.01g of yeast extract and 1000ml of water, wherein the PH of the culture medium is neutral, and the culture medium is sterilized for 30 min at the temperature of 121 DEG C. The microbes are cultured for 4-5 days under the light aerobic condition to obtain the microbial inoculum the concentration of which is 1-2*108 viable bacteria / ml. The microbial inoculum is sprayed to the blade surfaces at different growth periods after the peppermint is cut for the first time. The invention has the characteristics of safety, high efficiency, simple operation and low cost and effectively relieves the phenomena of plant wilting, slow growth and the like caused by high soil concentration; the content of peppermint camphor and menthone in blades is high.

Description

technical field [0001] The invention relates to a method for improving the ability of crops to resist soil adversity, in particular to a method for resisting soil salt stress by spraying microorganisms on leaves of mint. Background technique [0002] Saline soil refers to the soil in which the electrical conductivity (ECe) in the soil saturated extraction solution is higher than 4ds / m, and the content of exchangeable sodium is lower than 15%, and the pH value generally does not exceed 8.5. There are about 960 million hectares of saline soil in the world, and about 27 million hectares of saline soil in my country, of which about 7 million hectares are farmland. The ion types of salt damage mainly include sodium ion, chloride ion, calcium ion and sulfate ion, etc. When chloride is the main type, the salt content accounts for 0.6% of the soil weight, which is saline soil. The salinization of cultivated soil is mostly secondary saline soil. The root cause of low yield in saline...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01N63/02A01P21/00
Inventor 邵双郭晓雷李海燕
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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