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Biocontrol type composite additive and application thereof in fertilizers

A compound adjuvant, bio-control technology, applied in urea compound fertilizer, application, organic fertilizer and other directions, can solve the problems of inability to completely prevent and control diseases, incomplete disease control, and weak colonization ability, so as to improve disease prevention and control. The effect of reducing the amount of pesticide application and improving the quality of crops

Inactive Publication Date: 2020-01-10
SHANDONG BAOYUAN BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, my country's crop cultivation mainly relies on chemical pesticides to control diseases. From the perspective of biocontrol, the development of pesticide application reduction at home and abroad mainly focuses on the research and development and production of bacterial agents. The related technologies are relatively proficient, but the common problems are poor stability and weak colonization ability. , Incomplete disease control and other issues
At present, stimulating the plant-induced defense in the plant immune system through plant immune inducers has become a hotspot in the research and development of international biological control due to its stable effect and long-lasting broad-spectrum. However, plant immune inducers alone cannot completely prevent and control diseases

Method used

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  • Biocontrol type composite additive and application thereof in fertilizers
  • Biocontrol type composite additive and application thereof in fertilizers
  • Biocontrol type composite additive and application thereof in fertilizers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The present embodiment provides a kind of biocontrol type composite auxiliary agent:

[0056](1) Streptomyces luteus liquid, Bacillus megaterium liquid, Bacillus licheniformis liquid, Bacillus subtilis liquid are mixed in the ratio of 4:2:2:1 to obtain bacterial agent; the effective viable count of described bacterial agent is 911 million / mL.

[0057] (2) Mix 80 parts of the bacterial agent prepared in step (1) with 10 parts of chitosan oligosaccharide and 10 parts of sea oligosaccharide to prepare a biocontrol composite auxiliary agent.

Embodiment 2

[0059] The present embodiment provides a kind of fertilizer, and described fertilizer comprises the raw material of following weight portion:

[0060]

[0061] Wherein, the organic matter content of the organic material is 80%.

[0062] The preparation method of described fertilizer is as follows:

[0063] (1) Grinding inorganic materials, organic materials, and chitin to 30-50 meshes respectively, adding the crushed raw materials into corresponding feeding ports, and performing mixing and granulation to obtain nutrient granules;

[0064] (2) Evenly spray chitosan after drying and cooling the nutrient grain core;

[0065] (3) uniformly spraying the biocontrol compound additive on the surface of the particles obtained in step (2);

[0066] (4) Quantitative packaging, must contain the fertilizer of biocontrol compound auxiliary agent.

[0067] The technical indicators of the fertilizer prepared in this embodiment are: organic matter ≥ 60%, effective viable bacteria ≥ 100 m...

Embodiment 3

[0069] The present embodiment provides a kind of biological control type compound additive:

[0070] (1) Streptomyces luteus liquid, Bacillus megaterium liquid, Bacillus licheniformis liquid, Bacillus subtilis liquid are mixed in the ratio of 3:2:1:1 to obtain bacterial agent; the effective viable count of described bacterial agent is 914 million / mL.

[0071] (2) Mix 60 parts of the bacterial agent prepared in the step (1) with 20 parts of chitosan oligosaccharide and 20 parts of sea oligosaccharide to prepare a biocontrol compound auxiliary agent.

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Abstract

The invention relates to the technical field of fertilizers, in particular to a biocontrol type composite additive and application thereof in fertilizers. The biocontrol type composite additive is prepared from the following raw materials: a plant immune inducer and a microbial inoculum, wherein the plant immune inducer is prepared from chitosan oligosaccharide and seaweed oligosaccharide, and themicrobial inoculum is formed by mixing streptomyces microflavus liquid, bacillus megatherium liquid, bacillus licheniformis liquid and bacillus subtilis liquid. The biocontrol type composite additiveis prepared by compounding the plant immune inducer and the biocontrol microbial inoculum, the internal and external mechanisms have synergistic interaction, and the biocontrol type composite additive has broad-spectrum, stable and lasting biocontrol effects. The biocontrol type compound additive is efficiently added into fertilizers by adopting a core-shell coating process. The fertilizers provided by the invention can effectively prevent and treat bacteria, fungi, viruses and various physiological and environmental induced diseases and insect pests, the utilization rate of the fertilizersis improved, the application amount of pesticides is reduced, and the quality of agricultural products is improved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a biocontrol compound additive and its application in fertilizers. Background technique [0002] Fertilizers and pesticides play a key role in the sustainable growth of my country's agricultural production. Many problems caused by excessive fertilization and pesticide application seriously threaten my country's agricultural ecological environment and the quality and safety of agricultural products. At present, my country's crop cultivation mainly relies on chemical pesticides to control diseases. The development of pesticide application reduction from the perspective of biocontrol at home and abroad mainly focuses on the research and development and production of bacterial agents. The related technologies are relatively proficient, but the common problems are poor stability and weak colonization ability. , Incomplete disease control and other issues. At present, the plant-ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05B7/00C05C9/00C05C11/00C05D1/02C05F11/00C05F11/08C05G3/00
Inventor 薛蕾孙磊苏群刘勇王立华姚春雪杜红
Owner SHANDONG BAOYUAN BIOTECH CO LTD
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