523 results about "Growth promotion" patented technology

The invention discloses bacillus cereus and application thereof, and belongs to the technical field of microorganisms. The bacillus cereus SNF7 is separated from a saline-alkali soil sample, has the functions of resisting salt, fixing nitrogen and promoting growth, has an obvious inhibition effect on some common soil-borne diseases in agriculture, such as pathogenic bacteria of peanut fruit rot, tomato root rot and the like, has multiple functions of resisting salt, fixing nitrogen, biologically preventing and controlling and the like, and has a wide application prospect. The method can be widely applied to crop planting in large saline-alkali soil in China.

The invention relates to the technical field of animal feed preparation, in particular to a functional feed additive for ruminants and a preparation method of the functional feed additive for the ruminants, and the functional feed additive for the ruminants is characterized by consisting of the following components in percentage by mass: probiotics which are saccharomycetes, bacillus subtilis and enterococcus faecalis; an enzyme preparation, xylanase and protease; prebiotics are added; a microcapsule coating material; a binder; the balance is a carrier; the probiotics and the enzyme preparation are wrapped in the chitosan / sodium alginate composite film through a microcapsule coating technology, adverse factors such as temperature, humidity and illumination in the production, transportation and storage process can be effectively isolated, meanwhile, in the rumen low-pH, strong-protease and complex-microorganism environment, the coating layer can slowly release and protect active ingredients, and the effect of preventing and treating the probiotics and the enzyme preparation is achieved. Effective content and activity during final feeding are ensured, consistent growth promotion can be kept in different varieties, weights and feeding stages, and production benefits and feeding stability are improved.

The invention relates to the technical field of microorganisms, in particular to application of Cladosporium LC3 in crop growth promotion and bacterial wilt resistance, the strain LC3 belongs to Cladosporium and Cladosporium immonda species, the strain is separated from Guangxi sugarcane rhizosphere soil, experimental evaluation screening finds that the strain has a good growth promotion function on tomatoes and fresh ginger, and the strain can be applied to crop growth promotion and bacterial wilt resistance. The yield of ginger is remarkably increased, and the growth vigor of tomato plants is effectively improved; meanwhile, the strain has a good prevention and treatment effect on tomato and ginger bacterial wilt and has good plant bacterial wilt resistance, and screening verification of the strain provides a new fungicide and a raw material for later-period growth of an anti-microbial agent or a biological organic fertilizer.

The invention discloses a saline-alkaline tolerant strain as well as a culture method and application thereof, and relates to the technical field of agricultural biology. Comprising the following steps: S1, screening and culturing strains; s11, carrying out salt tolerance detection on primary strains stored in a laboratory, then carrying out first screening, and screening out strains with OD600 values greater than 1.0 as candidate strains; s12, inoculating the candidate strains into a culture medium, carrying out secondary screening, and screening out strains with the OD600 value greater than 1.0 as saline-alkaline tolerant strains; and S13, inoculating the saline-alkaline tolerant strain into the EPS-producing strain fermentation medium. The application of the saline-alkaline tolerant strain provided by the invention can obviously improve the yield and quality of crops; experiments show that after the HB-02 strain is inoculated, the prevention and treatment effect on wheat root rot reaches 80.2%, the yield of wheat in saline-alkali soil is increased to 703.13 g / m < 2 > from 516.61 g / m < 2 >, the yield is increased by 36.10%, and good disease prevention and growth promotion effects are shown.

The invention provides an ecological restoration and rapid vegetation planting method suitable for an open grassland mining area, and provides a novel grass seed assembly structure, and according to regional climate characteristics and geographical general situations, in combination with actual planting conditions of a vegetation restoration area, and according to planting principles of local nature, species diversity, ecological complementation and the like. Based on the main biological ecology characteristics of different plant species and the collaborative succession and growth promotion co-fusion development characteristics of the suitable growth environment, multi-system, multi-dimension and multi-species technical assembly is carried out according to local conditions, and a cost-saving, efficient, function-harmonious and landscaping rapid vegetation recovery technical method is created.

The invention relates to a Chinese wildrye rhizosphere growth-promoting bacterium and application of the Chinese wildrye rhizosphere growth-promoting bacterium in growth promotion and drought resistance of Chinese wildrye, and belongs to the technical field of microorganisms, the strain is classified and named as Paraburkholderia graminis, the strain number is B24, and the preservation number is CGMCC No.31907. The strain provided by the invention is derived from the intergrassland soil of leymus chinensis in an excessive grazing grassland, has good growth promoting characteristics of producing IAA, producing ACC deaminase, fixing nitrogen, dissolving phosphorus and the like, and also can obviously enhance the drought resistance of the leymus chinensis. When the strain is inoculated to the rhizosphere of a leymus chinensis seedling, the growth of the leymus chinensis can be obviously promoted, and the overground and underground biomass of the leymus chinensis is increased; the activity of antioxidant enzymes is reduced and the hormone content in leymus chinensis leaves is changed, so that drought stress is relieved, the photosynthesis of leymus chinensis is enhanced, and the drought resistance of leymus chinensis is remarkably improved. Therefore, the Burkholderia parakholderia can be used for development of a microbial fertilizer for grassland plants and applied to a drought stress habitat, so that the drought resistance of the grassland plant leymus chinensis is improved, and grassland management is optimized.

The invention discloses a Moraxella rosela and an application of the Moraxella rosela as a fungicide in improving the salt tolerance of plants or relieving the salt stress of the plants, the number of the Moraxella rosela sp. Is H136, the Moraxella rosela sp. Is preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 20241499. The invention further discloses a preparation method of the Moraxella rosela and an application of the Moraxella rosela as a fungicide in improving the salt tolerance of the plants or relieving the salt stress of the plants. The Moraxella roselle H136 provided by the invention can survive in a highly saline-alkaline environment, can generate indoleacetic acid, and has a very good application prospect in the aspects of growth promotion and yield increase of biological agents and saline-alkaline land.

The invention discloses a microbacterium capable of producing siderophores, dissolving potassium, promoting growth and relieving saline-alkali stress of plants and application of the microbacterium. The invention relates to the field of microorganisms, and provides a dendrobium nobile microbacterium, the dendrobium nobile microbacterium is a dendrobium nobile microbacterium, the strain number of the dendrobium nobile microbacterium is 2T1, and the registration number of the dendrobium nobile microbacterium in the China General Microbiological Culture Collection Center is CGMCC No. 32856. The strain is a new strain of microbacterium and has the capabilities of secreting siderophores and dissolving potassium. Pot experiments show that compared with uninoculated control, the root length and dry weight of wheat can be improved after the strain is inoculated under saline-alkali stress. The microbacterium dendrobii 2T1 can be used as a microbial organic fertilizer, and is used for improving the soil fertility, relieving the saline-alkali stress of crops and improving the saline-alkali adaptability of the crops.

The invention provides bacillus altitudinis NM62 and application of the bacillus altitudinis NM62 in growth promotion and disease resistance. The preservation number of the bacillus altitudinis NM62 is CGMCC NO.31272. The bacillus altitudinis strain has a good disease prevention effect on tobacco black shank and can promote the growth of tobacco plants. The strain provides a new strain resource for biological prevention and control of tobacco black shank, and provides a theoretical basis for developing a composite biocontrol agent which is environment-friendly, biosafe and lasting in prevention and control effect.

The invention discloses talaromyces sp. DFHJ2 and application of a fermentation product of the talaromyces sp. DFHJ2 in strawberry growth promotion and pathogenic bacterium inhibition, and relates to the technical field of microbiology. The talarospora scabra is preserved in the China General Microbiological Culture Collection Center on February 17, 2025, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.41813. The talarospora scabra is named as talarospora scabra. According to the invention, a talaromyces scabra strain is separated from the root of 'Zhongjiang Junjun' strawberry, and the talaromyces scabra strain has a good antagonistic effect on strawberry anthracnose and other types of strawberry pathogenic bacteria which are seriously harmful in the current production, and can be used for efficiently preventing and treating strawberry anthracnose and other strawberry diseases. In addition, the strain is moderate in growth speed, large in sporulation quantity, easy to ferment and high in adaptability to the pH value of the environment, has a certain growth promoting effect on strawberry seedlings, and has the huge potential of being developed into an efficient biocontrol microbial agent.

The invention discloses a potassium fulvate chelated macroelement water-soluble fertilizer with stress resistance and growth promotion functions, and relates to the technical field of water-soluble fertilizers, the potassium fulvate chelated macroelement water-soluble fertilizer comprises the following raw materials by weight: 167-210 parts of mineral source potassium fulvate, 450-460 parts of potassium nitrate, 300-310 parts of urea, 150-160 parts of potassium dihydrogen phosphate, 30-40 parts of potassium sulfate, 15-25 parts of EDTA-disodium, and 5-15 parts of citric acid. 0.5 to 1.5 parts of brassinolide and 4 to 6 parts of polyaspartic acid; according to the potassium fulvate chelated macroelement water-soluble fertilizer with the stress-resistant and growth-promoting functions, through chelation cooperation of potassium fulvate and nitrogen, phosphorus and potassium, the solubility of the chelated phosphorus element in water is increased, and the chelated phosphorus element can be more uniformly distributed in soil; by adopting an EDTA-disodium and citric acid composite chelating system, volatilization and loss of nitrogen elements are reduced, the problem of precipitation of calcium, magnesium and phosphorus is solved, and the soil conditioner is suitable for hard water areas and especially has outstanding performance in saline-alkali soil and arid areas.

The invention relates to the technical field of microorganisms, and particularly discloses a saline-alkaline tolerant bacillus deserticola BW-13 with biocontrol and growth promoting functions and application thereof. The bacillus safensis BW-13 is preserved in the China Center for Type Culture Collection on January 13, 2025, the classification name of the bacillus safensis BW-13 is bacillus safeensis, and the preservation number of the bacillus safensis BW-13 is CCTCC NO: M 2025108. The strain BW-13 has relatively high salt tolerance, and still keeps good resistance under various stress conditions; meanwhile, the plant growth promoting agent has various plant growth promoting characteristics including nitrogen fixation, phosphorus solubilization and cellulase and protease secretion capacity, and pot experiment verifies that the plant growth promoting agent can improve the salt resistance of cucumber seedlings and promote plant growth; the strain has an antagonistic effect on a plurality of phytopathogens, and especially has a remarkable prevention and treatment effect on plant diseases such as apple ring spot, polygonatum kingianum anthracnose, pear tree rot and tomato gray mold caused by ascomycophyta pathogenic fungi.

The invention discloses a large factory cross-platform user drainage and growth promotion system based on artificial intelligence, and relates to the technical field of monitoring analysis, and the system comprises a data collection and processing module which is used for obtaining user cross-platform interaction behavior data, and generating a multi-platform user behavior feature vector set; the data mining module is used for performing cross-platform user identity identification code matching processing on the multi-platform user behavior feature vector set to generate a user cross-platform behavior feature map; the promotion strategy generation module is used for constructing a dynamic diversion strategy generation matrix according to the user cross-platform behavior characteristic spectrum and generating a user cross-platform diversion promotion strategy; and the optimization module is used for acquiring the real-time user feedback data flow, constructing a flow guide strategy dynamic correction model based on the real-time user feedback data flow, optimizing the cross-platform flow guide promotion strategy of the user, and deploying the cross-platform flow guide promotion strategy to a target platform to execute user growth operation.

The invention relates to the field of microorganisms, in particular to Rahnella and Burkholderia with growth promotion and biological control functions and a composition thereof, and the Rahnella comprises a 16S rDNA sequence shown in SEQ ID NO: 1 or a complementary sequence thereof or a sequence which is at least 85% identical with the sequence shown in SEQ ID NO: 1; the burkholderia comprises a 16S rDNA sequence as shown in SEQ ID NO: 2 or a complementary sequence of the 16S rDNA sequence or a sequence which is at least 85% identical with the sequence as shown in SEQ ID NO: 2. The new strains Rahnella victoriana Rahn.R5, Burkholderia ubonensis Burk.R2 and the application of the composition of the Rahnella victoriana Rahn.R5 and the Burkholderia ubonensis Burk.R2, which are provided by the invention, in promoting crop growth and / or preventing and treating plant diseases, have important significance on improving the crop yield and promoting agricultural green production.

The invention discloses burkholderia and application thereof in tobacco growth promotion, and belongs to the technical field of microorganisms. The Burkholderia sp. XCD4 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number of the Burkholderia sp. XCD4 is CCTCC NO: M 20241837, and the preservation time of the Burkholderia sp. XCD4 is August 23, 2024. The Burkholderia cepacia XCD4 is obtained through separation for the first time, the Burkholderia cepacia XCD4 has the good capacity of dissolving phosphorus and potassium, secreting IAA, producing siderophores, producing ACC deaminase and producing gibberellin, seed germination is promoted by remarkably improving the germination rate, germination potential, seedling length and root length of seeds, plant growth can be remarkably promoted, and the yield of plants is increased. Meanwhile, enrichment of phosphorus, potassium and other elements in tobacco planting plough layer soil can be reduced, and the utilization efficiency of the fertilizer is improved, so that the application prospect is good.

The invention belongs to the technical field of biological bacterium agents, and particularly relates to a penicillium photosporum LZ-3, a bacterium agent and application of the penicillium photosporum LZ-3 in biological prevention and control and growth promotion of panax notoginseng root rot. The preservation number of the penicillium glabrata LZ-3 disclosed by the invention is CCTCC (China Center for Type Culture Collection) NO: M2024280. On the basis, the invention further provides a microbial inoculum containing the penicillium photosporum LZ-3, and the penicillium photosporum LZ-3 and the microbial inoculum containing the penicillium photosporum LZ-3 can effectively relieve continuous cropping obstacles of the panax notoginseng and antagonize fusarium fungi and sphaerotheca fungi so as to achieve the effect of preventing and controlling the root rot of the panax notoginseng. Meanwhile, the growth of the pseudo-ginseng can be promoted and the saponin content in the pseudo-ginseng can be increased.

The invention discloses a multifunctional peoriae paenibacillus and application thereof, and relates to the technical field of microorganisms, and the key point of the technical scheme is as follows: Paenibacillus peoriae S6330 is separated from rhizosphere soil; the peoriae paenibacillus has a good inhibition effect on pathogenic bacteria, pathogenic fungi and oomycetes; meanwhile, the peoriae paenibacillus has the functions of dissolving potassium, producing protease, producing amylase, producing cellulase, producing siderophore and the like, has a growth promoting effect on various crops such as wheat, corn, watermelons, small oilseed rapes, tobaccos and the like, and can remarkably improve indexes such as chlorophyll content, plant height, fresh weight, overground part weight, underground part weight and the like of plants; in addition, the peoriae paenibacillus can be used for effectively inhibiting the tobacco bacterial wilt; the peoriae paenibacillus has no environmental pollution problem, is simple in culture condition, and has wide disease prevention and growth promotion application prospects in agricultural production.

The invention belongs to the field of biological agents, and particularly relates to bacillus siamensis and application thereof in the aspects of plant disease control, growth promoting and yield increasing. The bacillus siamensis XNC-3 provided by the invention is wide in antibacterial spectrum, can effectively inhibit various plant pathogenic fungi including phytophthora parasitica var nicotianae, has broad-spectrum antibacterial activity, and can be used for preventing and treating plant diseases, especially tobacco diseases. The bacillus siamensis has a promoting effect on tobacco seedling growth and seed germination, has growth-promoting and yield-increasing effects on tobacco, can remarkably increase the tobacco yield and improve the tobacco quality, is safe to the environment and has a very good application prospect.

The invention discloses a bacillus velezensis strain and an application thereof in disease prevention and growth promotion, the strain is preserved in the China General Microbiological Culture Collection Center on May 14, 2024, the preservation number is CGMCC No.30619, and the strain is named as bacillus velezensis. The invention further discloses a preparation method of the bacillus velezensis strain, and the application of the bacillus velezensis strain in disease prevention and growth promotion of the bacillus velezensis strain in disease prevention and growth promotion of the bacillus velezensis strain in disease prevention and growth promotion of the bacillus velezensis strain. When the strain is applied to the field of agricultural biological prevention and control, a biological membrane can be formed and stably colonized at the rhizosphere of a plant, a relatively strong and broad-spectrum inhibition effect can be generated on various plant pathogenic fungi, and substances such as IAA and siderophores can be generated to promote plant growth. The bacillus velezensis suspension has a prevention effect of 56.36% on cucumber fusarium wilt potted plants, has a certain growth promoting effect on cucumbers, is a biocontrol strain with excellent performance, and has good development and application prospects.

The invention discloses a preparation process of high-efficiency absorption fish protein peptide and application of the high-efficiency absorption fish protein peptide in fertilizer, and belongs to the technical field of marine organisms. The aquatic product protein is directly used as a fermentation raw material, and the content of amino acid in the fish protein biological peptide is remarkably increased by utilizing the synergistic fermentation effect of microorganisms and assisted by biological enzymolysis, so that the absorptivity of the fish protein peptide is increased; the prepared fish protein peptide is used in the fertilizer to prepare the fish protein peptide functional fertilizer, the nutritional value and the utilization rate of the fertilizer are remarkably improved, and the fish protein peptide functional fertilizer has the remarkable effects of growth promotion, disease resistance, stress resistance and the like. According to the method, a conventional fish protein peptide preparation method of firstly preparing fermentation enzyme liquid and then performing biological enzymolysis is abandoned, the efficient absorption fish protein peptide is prepared by adopting a process of directly fermenting aquatic protein, a fermentation process and an enzymolysis process are integrated, and compared with a conventional process, the method has the advantages of simple production process, low production cost and the like; the method has significant effects and meanings for promoting green preparation of the fish protein peptide and efficient application of the fish protein peptide in fertilizers.

The invention provides bacillus pseudomycoides BP88 and application of the bacillus pseudomycoides BP88. The preservation number of the bacillus pseudomycoides BP88 is CCTCC (China Center For Type Culture Collection) NO.20241800. The invention further provides a preparation method of the bacillus pseudomycoides BP88. The bacillus pseudomycoides has a good disease prevention effect on tobacco root rot and has a remarkable growth promoting effect on tobacco plants. The strain has good theoretical research value and application prospect, can be used as a good test material for researching interaction and action mechanism of soil bacteria and plants, can also be used for research and development of soil bio-fertilizers and biological bactericides, can also become a good carrier of multifunctional engineering bacteria for disease prevention, growth promotion and the like, and has broad application prospects. And a new strain resource is provided for biological prevention and control of tobacco root rot.

The invention relates to the technical field of saline-alkali soil treatment, and discloses a light and moderate saline-alkali soil alfalfa seedling protection and strong growth promotion planting method which comprises the following steps: S1, soil pretreatment and root zone microenvironment construction; s2, seed treatment and space-time double-salt-avoiding sowing; s3, microbial inoculum synergistic application; s4, water and fertilizer integration and accurate management; s5, dynamic regulation and control in the growth period, a low-salt root zone microenvironment is constructed through combination of physical obstruction and biological improvement, salt ascending is inhibited by using a slag salt isolation layer, fertility is improved by using an organic layer, and stress resistance is enhanced by adopting a salt-tolerant variety, climate window sowing and aerogel embedding fungicide; precise regulation and control are achieved through water and fertilizer integrated drip irrigation, the stability of a root zone is maintained by combining intertillage and directional topdressing, finally, the seedling emergence uniformity and the seedling stage survival rate are remarkably improved, and robust growth of plants in saline-alkali soil is promoted.

The invention discloses a microbial agent and application thereof in preventing and treating rice blast and promoting rice growth, active ingredients of the microbial agent are formed by compounding cold bacillus with the preservation number of CGMCC (China General Microbiological Culture Collection Center) NO: 33492 and bacillus velezensis with the preservation number of CGMCC NO: 33493, and the microbial agent aims at solving the synergistic problem of preventing and treating rice blast and promoting rice growth. According to the complex microbial inoculant, through the synergistic interaction between the two strains, the metabolite of the complex microbial inoculant can completely inhibit the spore germination of magnaporthe oryzae; meanwhile, the fungicide can degrade cellulose, obviously promote the growth of plant height, fresh weight and dry weight of rice, and realize the integration of disease prevention and growth promotion. The invention further discloses a preparation method of the fungicide and an application method of the fungicide for preventing and treating rice blast and promoting growth in a root irrigation mode in the three-leaf stage of rice. The microbial agent disclosed by the invention has dual functions of efficiently preventing diseases and stably promoting growth, and an efficient and safe biological solution is provided for green and sustainable development of agriculture.

The invention provides a whole cortical action compound peptide, which comprises acetyl tetrapeptide-11, hexapeptide-9, palmitoyl hexapeptide-12, palmitoyl hexapeptide-14 and / or acetyl hexapeptide-1, and is characterized in that the whole cortical action compound peptide comprises acetyl tetrapeptide-11, hexapeptide-9, palmitoyl hexapeptide-12, palmitoyl hexapeptide-14 and / or acetyl hexapeptide-1; the compound peptide acts on epidermal basal layer keratinocytes, true epidermal junction (DEJ) structural proteins and / or dermal layer fibroblasts, and synergistically exerts a whole-cortex skin anti-aging effect on epidermal layer, basement membrane, dermal layer and / or nerve fibers. The compound peptide has the advantages of full-cortex three-dimensional anti-aging, layered precise targeting, multi-peptide scientific compounding, matrix synergy, clear action mechanism, efficient growth promotion of seven key proteins, remodeling of a true epidermis structure, low-concentration effect, mildness, no stimulation and the like, and is an advanced anti-aging scheme under a precise skin care trend.

The content of IAA produced by the pantoea agglomerans JHS0317 can reach 26.81 mg / L, the content of ACC deaminase produced by the pantoea agglomerans JHS0317 is 470.34 U / L, the pantoea agglomerans JHS0317 has multiple functions of dissolving phosphorus, dissolving potassium, fixing nitrogen, producing siderophore and the like, meanwhile, the pantoea agglomerans JHS0317 has inhibition effects on tobacco fusarium oxysporum and fusarium solani, the inhibition rates are 42.98% and 41.20%, the germination rate of tobacco seeds is increased through treatment of the strain JHS0317, and the root length is remarkably promoted; the root activity, the whole plant fresh weight, the overground fresh weight, the root fresh weight, the maximum leaf length and the maximum leaf width of tobacco seedlings treated by the strain JHS0317 with the bacterium content of 1 * 10 < 5 > cfu / mL in a seedling culture substrate are obviously higher than those of the tobacco seedlings treated by a contrast, and the strain can be used as a plant growth-promoting rhizobacteria and has a good application prospect in research and development of microbial fertilizers and biological prevention and control of tobacco fusarium root rot.

The invention discloses a microbial seed coating agent, in the microbial seed coating agent, saline-alkali-resistant phosphorus-dissolving compost bacillus subtilis C007 is adopted, seeds coated by the microbial seed coating agent have a saline-alkali-resistant environment, and meanwhile, the microbial seed coating agent has a promoting effect on the growth of crops. The microbial seed coating agent disclosed by the invention further comprises saline-alkali-resistant phosphorus-solubilizing composting bacillus subtilis C007 and a bacillus velezensis complex microbial inoculant with the preservation number of CCTCC (China Center For Type Culture Collection) NO: M 20221937; the microbial seed coating agent adopting the complex microbial inoculants can promote the growth of wheat seedlings in saline-alkali soil and saline-containing aqueous solution.

The invention discloses a composition for improving the tolerance of plants to saline-alkali soil and application of the composition. The present invention relates to the field of microorganisms, and provides a composition, which contains a Botrytis cinerea strain 7466 (ACCC 34101), a Chaetomium globosum strain 7126 (ACCC 34102), and a Cladosporium halotolans strain 7309 (ACCC 34103), and a preparation method of the composition, the preparation method of the composition, and the preparation method of the composition, the composition provided by the invention can improve the salt and alkali tolerance of plants. The method is of great significance in saline-alkali soil restoration and improvement and growth promotion of crops such as soybeans.

The invention relates to the technical field of environmental microorganisms, in particular to arthrobacterium Arth.R8 and application thereof, and the preservation number of the arthrobacterium Arth.R8 is GDMCC No.63567. The arthrobacter Arth.R8 has the effects of fixing nitrogen, dissolving organic phosphorus, promoting growth and promoting nodulation. The arthrobacter Arth.R8 disclosed by the invention can be used for promoting absorption and utilization of nutrient substances such as nitrogen and phosphorus in a plant growth process, inhibiting growth of fusarium graminearum and promoting plant growth, and a new microbial strain resource is provided for realizing reduction and synergism of chemical fertilizers in agricultural production.

The invention belongs to the technical field of microorganisms and biological control, and particularly relates to paenibacillus polymyxa and application thereof in biocontrol and growth promotion. Specifically, a strain of paenibacillus polymyxa GLZ219 is obtained through screening, and experiments prove that the paenibacillus polymyxa GLZ219 has a relatively high bacteriostasis rate on pathogenic bacteria of tomato neck and root rot; meanwhile, the strain has a good antagonistic effect on nine common plant pathogens such as Rhizoctonia solani and the like, and can be widely applied to green prevention and control of various crop diseases. Besides, the paenibacillus polymyxa GLZ219 has nitrogen fixing and potassium dissolving capabilities, can secrete heteroauxin and siderophores, and can effectively promote the growth of tomato plants, the plant height of tomato seedlings treated by fermentation liquor of the paenibacillus polymyxa GLZ219 is remarkably increased, diseases can be prevented and controlled, the growth vigor of crops can be improved, the yield and quality of the crops can be improved, and the paenibacillus polymyxa GLZ219 has a wide application prospect.

The invention discloses plant probiotics with water retention, growth promotion and disease resistance effects and application thereof. The invention provides a complex microbial inoculant, which is prepared from the following active ingredients: 1) bacillus tequilensis Bac365 (GDMCC No: 65241), 2) microbacterium azadirachta Mic250 (GDMCC No: 65244), and 3) Enterococcus querebrasis Ent274 (GDMCC No: 65242) or Pseudomonas plecoglossa Pse350 (GDMCC No: 65243), and the active ingredients of the complex microbial inoculant are as follows: 1) bacillus tequilensis Bac365 (GDMCC No: 65243), 2) microbacterium azadirachta Mic250 (GDMCC No: 65244), and 3) the active ingredients of the complex microbial inoculant. The strain provided by the invention has good nitrogen fixation, phosphorus dissolution, IAA production, HA production and disease resistance, can effectively increase the utilization efficiency of water in drought soil, significantly promote plant growth and increase crop yield, and has good application prospects in the aspects of water retention and sand stabilization, agricultural production and the like.