1. Bacillus subtilis: increase crop stress resistance and nitrogen fixation.
Second, Bacillus megaterium: phosphate (phosphorus bacteria), has a good effect of degrading organic phosphorus in the soil.
3. Bacillus licheniformis: potassium is released, and soluble phosphorus and potassium elements and trace elements such as calcium, sulfur, magnesium, iron, zinc, molybdenum and manganese are released.
Fourth, Bacillus licheniformis: disease resistance, kill harmful bacteria,
5. Bacillus thuringiensis: insecticidal (including root-knot nematodes), specific to the arthropods such as lepidoptera.
6. Bacillus licheniformis: promotes roots, sterilizes and degrades heavy metals,
7. Bacillus licheniformis: It has the functions of dissolving phosphorus, releasing potassium and fixing nitrogen, secreting various enzymes and enhancing the resistance of crops to some diseases.
8. Streptomyces sp.: It has the ability to enhance soil fertility and stimulate crop growth.
9. Mycorrhizal fungi: enlarge the root absorption surface and increase the absorption capacity of elements (especially phosphorus) outside the original root hair absorption range.
Ten, brown nitrogen-fixing bacteria: fixed nitrogen in the air, increase production.
11. Photosynthetic bacteria: It is the main force for fertile soil and the growth of animals and plants.
12. Bacillus coagulans: It can reduce harmful gases such as ammonia and hydrogen sulfide in the environment. Increase the content of amino acids in the fruit.
13. Aspergillus oryzae: Make the organic matter in the straw the nutrients needed for plant growth, improve soil organic matter and improve soil structure.
Fourteen, Paecilomyces lilacinus: It has the control effect on a variety of nematodes, and is the most promising biocontrol agent for controlling root-knot nematodes.
More than three kinds of compound bacteria promote each other and complement each other, and the effect of resisting soil-borne diseases is far greater than that of single strains. The beneficial bacteria cooperate with each other and work together to achieve high yield and high yield.
Advantages of compound microbial fertilizer:
1. Promote rapid growth: beneficial microorganisms such as Bacillus megaterium and Bacillus licheniformis in the flora produce a large amount of endogenous enzymes in the metabolic process, which can significantly increase the absorption rate of nutrients such as nitrogen, phosphorus and potassium in crops. .
2, regulate life activities, increase production and income: Bacillus bacillus, Bacillus licheniformis, Bacillus licheniformis and other beneficial bacteria in the flora can promote the growth of crop roots, increased roots. The endogenous enzymes and plant growth regulators produced by the beneficial microbial flora are introduced into the plant through the root system, promoting leaf photosynthesis, regulating the flow of nutrients to the fruit, and increasing the yield of the expanded fruit. Compared with the application of chemical fertilizer, it can increase production by 15%-30% with equivalent input.
3. The fruit quality is obviously improved: Bacillus licheniformis, Bacillus subtilis and Bacillus coagulans in the flora can reduce the nitrate content of the plant by more than 20%, reduce the heavy metal content, and increase the Vc content in the fruit by more than 30%. Soluble sugar is increased by 2-4 degrees. Lactic acid bacteria, Lactobacillus acidophilus, Bacillus coagulans, Bacillus subtilis and the like can increase the content of essential amino acids (lysine and methionine), Vitamin B group and unsaturated fatty acids in fruits. The fruit has a good taste, is resistant to storage, and has a high selling price.
4. Decompose organic substances and toxins to prevent heavy mites: beneficial microorganisms such as Aspergillus oryzae, Bacillus licheniformis, Bacillus subtilis can accelerate the decomposition of organic substances, produce quick-acting nutrients for crops, provide power, and can be decomposed and toxic. Substance to prevent heavy cockroaches.
5. Rhizosphere environmental protection barrier: Beneficial microorganisms such as Bacillus licheniformis in the flora are applied to the soil, rapidly multiplying to become dominant bacteria, controlling rhizosphere nutrition and resources, making heavy hoe, root rot, standing, flowing glue, ash Pathogens such as mildew lose their living space and conditions. The cell wall of the plant root cells is thickened, fibrillated, and lignified, and a keratinous double silicon layer is formed, forming a strong barrier against pathogen invasion.
6. Enhance stress resistance: Beneficial microorganisms such as Bacillus licheniformis, Bacillus megaterium, and Bacillus licheniformis can enhance soil buffering capacity, retain moisture and moisturize, and enhance crop drought resistance, cold resistance and mites resistance; Bacillus can also strengthen the leaf protective film to resist infection by pathogens, disease resistance and insect resistance.
This article URL: The name and function of the strain in the biological fertilizer, look at the bacteria in the common bacterial fertilizer
An organic compound formed by dehydration of amino acids, containing carboxyl and amino groups, and being amphoteric. Also known as "peptide".
Two, one of the amide. It consists of two or more amino acids joined by the amino group of one amino acid to the carboxyl group of the other. An amino acid cannot be called a peptide, nor can a peptide be synthesized, but must be a compound of two or more amino acids linked by a peptide bond. Compounds where two amino acids are linked by a peptide bond are called dipeptides; A compound with three amino acids linked by peptide bonds is called a tripeptide, and so on, a compound with thirty-four amino acids linked by peptide bonds is called a thirty-four peptide.
A peptide is a chain of polymers of amino acids
A peptide is a chain of polymers of amino acids
Three, is related to the biological body of a variety of cell functions of biological active substances. Hundreds of peptides have been found in living organisms, which are essential participants in the body's complex physiological activities. All cells can synthesize peptides and their functional activities are regulated by peptides. It involves hormones, nerves, cell growth and reproductive fields, and its importance lies in the regulation of various systems, organs and cells in the body. The physiological and pharmacological effects of enzymatic polypeptides are mainly to activate related enzymes in vivo, promote the permeability of intermediate metabolic membrane, or affect specific protein synthesis by controlling DNA transcription or translation, and eventually produce specific physiological effects or play their pharmacological effects. Peptide is better than amino acid, one is faster than amino acid absorption; Second, it is absorbed by the body in a complete form; Third, active absorption (amino acids are passive absorption); Fourth, low consumption, compared with amino acids, peptide absorption has the characteristics of low consumption or no energy consumption, peptide absorption through the duodenum, directly into the blood circulation, their own energy nutrition transported to various parts of the human body; Fifth, peptide absorption is less than amino acid, with the characteristics of unsaturated; Sixth, there are only 20 kinds of amino acids, with countable functions, while peptides take amino acids as substrates, which can be synthesized into hundreds of thousands of kinds.
It is mainly divided into medical polypeptide drugs, peptide antibiotics, vaccines, antimicrobial peptides for agricultural use, small peptides for feed, cosmetics for daily use, soybean polypeptides for food, corn polypeptides, yeast polypeptides and sea cucumber peptides.
From the functional point of view, can be divided into antihypertensive peptide, antioxidant peptide, cholesterol lowering peptide, opioid active peptide, high F value oligopeptide, food strong taste peptide and so on.
Active peptide, and nutrition, hormone, enzyme inhibition, regulation of immunity, antibacterial, antiviral, antioxidant has a very close relationship. Polypeptides are generally divided into: polypeptide drugs and polypeptide health products. Traditional peptide drugs are mainly peptide hormones. The development of peptide drugs has been developed into various fields of disease prevention and treatment, especially in the following fields. [2]
Antitumor polypeptide
Tumorigenesis is the result of many factors, but ultimately all involve the regulation of oncogene expression. In 2013, many tumor-related genes and regulatory factors have been discovered. Screening peptides specifically bound to these genes and regulatory factors has become a new hot spot in the search for anticancer drugs. For example, somatostatin has been used to treat endocrine tumors of the digestive system; American scholars found a hexapeptide can significantly inhibit adenocarcinoma in vivo; Swiss scientists have discovered an octapeptide that induces apoptosis in tumor cells. [2]
Antiviral polypeptide
By binding to specific receptors on host cells, viruses adsorb cells and rely on their own specific proteases for protein processing and nucleic acid replication. Therefore, peptides binding to host cell receptors or active sites such as viral proteases can be selected from the peptide library for antiviral therapy. In 2013, many small peptides with antiviral properties have been screened from peptide banks in Canada, Italy and other countries, and some small peptides have entered the stage of clinical trials. In June 2004, the Chinese Academy of Sciences institute of Microbiology came out of the news, which was undertaken by the Chinese Academy of Sciences known
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