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Preparation and application methods of salt-tolerant biological stimulin capable of improving germination of corn seeds

A technology of biostimulant and application method, which is applied in the field of preparation and application of biostimulant for improving corn seed germination and salt tolerance, to achieve the effects of improving abiotic stress resistance, improving vitality, and ensuring rapid and neat emergence

Active Publication Date: 2020-03-20
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are few reports on the development of biostimulant products by separating microorganisms and other material components to improve the salt-alkali resistance of corn and other crops, and there is still huge market space and development potential

Method used

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  • Preparation and application methods of salt-tolerant biological stimulin capable of improving germination of corn seeds
  • Preparation and application methods of salt-tolerant biological stimulin capable of improving germination of corn seeds
  • Preparation and application methods of salt-tolerant biological stimulin capable of improving germination of corn seeds

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] Such as figure 1 As shown, the present invention is based on the fact that biostimulants can stimulate the natural process of plants, and substances such as microbial beneficial bacteria are used as an important form of biostimulants, and their development and utilization will help improve seed vigor and continue to affect Yield and quality of plants at later stage. The preparation and application method of the biostimulant for improving corn seed germination and salt tolerance involves the collection of bacteria source samples, isolation and screening of bacterial strains, purification of bacterial strains, determination of growth-promoting ability of bacterial strains, identification of bacterial strains, preparation of biostimulants, and actual application effects of biostimulants Inspection etc.

[0025] The method for preparing and apply...

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Abstract

The invention relates to the field of seed science, in particular to preparation and application methods of a salt-tolerant biological stimulin capable of improving germination of corn seeds. An important strain Pantoea agglomerans strain HX-1 is obtained from root systems of a Qingdao Laoshan agastache rugosus plant by separation, screening, purification and identification, research finds that the strain has indoleacetic acid producing, phosphate solubilizing and salt tolerance capacity, the vigor of corn seeds can be effectively improved after being soaked by a bacterial solution of the strain, and the biological stimulin prepared with a strain Bacillus megaterium HX-2 can effectively improve the germination and seedling emergence capacity of corn seeds in saline and alkaline land. On the basis that the biological stimulin can have a stimulation effect on the natural process of plants and particularly have effects of improving abiotic stress resistance and the like, the strain HX-1 is successfully obtained from root systems of the agastache rugosus plant and applied to study of preparation and application methods of the target biological stimulin. The biological stimulin can be widely applied to production of corn in saline and alkaline land.

Description

technical field [0001] The invention relates to the field of seed science, in particular to a preparation and application method of a biostimulant for improving corn seed germination and salt tolerance. Background technique [0002] Biostimulant is an extremely fashionable term in the global agricultural materials market in recent years. According to the definition of international organizations, a biostimulant is a substance containing certain ingredients and microorganisms, which, when applied to plants or the rhizosphere, have the effect of stimulating natural processes in plants, including enhancing / Benefits nutrient absorption, nutrient efficacy, abiotic stress resistance and crop quality regardless of nutrient content. In Europe, the use of biostimulants has involved fruit trees (citrus, olives, grapes, etc.), vegetables and fruits (broccoli, peppers, cucumbers, strawberries, tomatoes, melons, etc.), food crops (potatoes, wheat, corn, rapeseed, etc.) ) and flowers, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00C12N1/20C12N1/02C12P39/00C12P1/04C12R1/11C12R1/01
CPCA01C1/00C12N1/20C12N1/02C12P39/00C12P1/04C12R2001/11C12N1/205C12R2001/01
Inventor 江绪文李贺勤
Owner QINGDAO AGRI UNIV
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