A kind of composite bacterial agent of Bacillus lysinus and Bacillus subtilis and preparation method thereof

Abstract

The invention discloses a composite bacterial agent of Bacillus lysinus and Bacillus subtilis and a preparation method thereof, belonging to the technical field of agricultural microorganisms, comprising fermentation broth of Bacillus subtilis R31 and fermentation broth of spindle-shaped lysine bacillus LW‑3 It is prepared by mixing, the preservation number of the lysinyl bacillus spindle-shaped LW-3 is CGMCC NO.16228, and the ratio of the fermentation liquid of the bacillus subtilis R31 and the fermentation liquid of the lysinic bacillus spindle-shaped LW-3 is 1 :1‑10:1. The compound microbial agent provided by the invention has significant growth-promoting and antibacterial and disease-preventing effects on plants, can significantly inhibit the occurrence of diseases such as bacterial wilt, fusarium wilt, and root rot, and improve yield and quality; it is safe, efficient, and non-toxic , Non-polluting characteristics, can effectively reduce the use of chemical fertilizers and pesticides, ease the pressure of environmental pollution, and help sustainable agricultural development.

Description

technical field [0001] The invention relates to a bacillus composite bacterial agent and a preparation method thereof, in particular to a composite bacterial agent of lysine bacillus and bacillus subtilis and a preparation method thereof, belonging to the technical field of agricultural microorganisms. Background technique [0002] Phosphorus is an important nutrient element in the process of plant growth. Phosphorus is a component of nucleic acid and nucleotides, and is an important element that forms the nucleus and various organelles. Phosphorus deficiency will affect the division and formation of plant cells, resulting in poor root development and slow or even stagnant plant growth. In addition, phosphorus is a component of phospholipids, adenophosphorus and many enzymes, and is an important participatory substance in various processes of plant photosynthesis. When phosphorus is deficient, the leaves are dark green and dull, the plants are short, and the resistance is we...

AI Technical Summary

Problems solved by technology

However, for a long time, due to the excessive application of chemical fertilizers and pesticides, a series of ecological environment damage problems and agricultural product quality and safety problems have followed one after another, such as soil compaction, soil heavy metal pollution, water pollution, air pollution, and pesticide residues. It has become a major obstacle to the sustainable development of agriculture. Therefore, it is urgent to find green, safe and efficient methods to increase crop production and income and help sustainable agricultural development.

[0006] Microbial fertilizers have the advantages of being green, safe, efficient, non-toxic, and non-polluting, and meet the requirements of "environmental protection" and "green". urgent

[0007] Therefore, in order to overcome the defect of a single action of a single bacterial agent, improve the efficacy of fertilizers and pesticides, effectively reduce the use of chemical fertilizers and pesticides, and meet the needs of agricultural production while avoiding environmental pollution, provide an alternative to chemical fertilizers and pesticides that can promote plant growth. The development of compound bacterial agents capable of antibacterial and disease prevention has become an urgent technical problem in this technical field.

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