4248results about "Plant protection" patented technology

The invention discloses a rose planting medication scheme decision-making method based on multi-modal feature fusion. The method comprises the following steps: firstly, collecting multi-modal data of a rose planting area, and inputting the obtained multi-modal data into a feature fusion module for multi-modal feature fusion; a double-branch decision network is used for identifying the types of diseases and pests and judging the types and dosage of pesticides, and a pesticide proportioning rule is introduced through a pesticide liquid mixing control module to correct the types and dosage of the pesticides. And finally, through a user interaction optimization mechanism, closed-loop control is achieved, and a medication scheme decision is optimized. According to the method, dynamic closed-loop decision making is realized in combination with user feedback, so that individual requirements of different farmer households are met, and the pesticide application problem caused by data isolation, decision making staticization and the like in traditional rose planting is solved. An artificial intelligence technology and agronomic knowledge are deeply coupled, and traditional agriculture is promoted to be transformed to intelligence and automation.

The invention discloses talaromyces purpurogenum as well as a fermented supernatant and application thereof. The preservation number of the talaromyces purpureogenus F-4 is CCTCC NO: M 20252023, and the talaromyces purpureogenus F-4 has the growth promoting effects of dissolving phosphorus, fixing nitrogen and generating siderophores, also has the disease preventing and treating effects of preventing and treating garlic root rot, potato scab and wheat stem rot, and also can resist salt stress, alkali stress, salt-alkali composite stress, heavy metal stress and osmotic pressure stress. The fermentation supernatant of the talaromyces purpureus F-4 can be used for inhibiting the growth of fusarium solani spores, streptomyces botrytis spores and fusarium pseudograminearum and the germination of the spores of the fusarium solani, the streptomyces botrytis and the fusarium pseudograminearum. The talaromyces purpurogenus and the fermented supernatant thereof can effectively control the growth and reproduction of plant pathogens, reduce the risk of disease occurrence, reduce the dependence on chemical pesticides, and reduce the risk of environmental pollution and agricultural product residues, and have important significance for promoting the sustainable development of agriculture.

The invention belongs to the technical field of biological control, and particularly relates to a pseudomonas flax DY-31 strain, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum. The preservation number of the pseudomonas lini (Pseudomonas lini) DY-31 is CGMCC (China General Microbiological Culture Collection Center) No.34088. The pseudomonas lini (Pseudomonas lini) DY-31 is The pseudomonas flax DY-31 or the biocontrol inoculant thereof is applied to prevention and treatment of plant soil-borne diseases, specifically including peanut black rot, peanut southern blight, peanut sclerotinia rot, peanut leaf rot sclerotinia rot, peanut basal rot and wheat stem basal rot. The pseudomonas flax DY-31 provided by the invention is an important strain resource, can be used for creating a biopesticide preparation, and is used for green prevention and treatment of soil-borne diseases of peanuts and wheat. In addition, the DY-31 strain also has various growth promoting functions, and has important development and application values in the aspects of agricultural biological control and plant growth promoting.

The invention relates to the technical field of agricultural machinery, in particular to a multi-angle mechanical arm agricultural product bagging device based on image recognition, which comprises a bagging device, a mechanical arm, a manipulator of the mechanical arm and an AGV (Automatic Guided Vehicle) mobile trolley, the bagging device comprises a fixing device which is installed at the output end of the mechanical arm and the output end of the mechanical hand. The vacuum suction cup pipeline is installed on the fixing device, the vacuum suction cup pipeline is of a U-shaped structure, a vacuum suction cup is arranged on the vertical portion of the vacuum suction cup pipeline, and a middle clamping groove is formed in the horizontal portion of the vacuum suction cup pipeline; one end of the mechanical arm is connected with the mechanical arm connector, and the other end of the mechanical arm is connected with the rotating piece; and the meshing type mechanical arm is arranged on the upper end face of the mechanical arm, the meshing type mechanical arm is used for placing paper bags on the bagging device, grabbing mangoes and placing the mangoes into the bagging device, and the capacity of the agricultural bagging robot in automatic operation is improved.

The invention provides a mining area vegetation reconstruction method based on vegetation classification and division. The method relates to the technical field of ecological environment restoration, and comprises the following steps: S1, acquiring mining area environment data by adopting a mode of combining remote sensing images, unmanned aerial vehicle aerial photography and ground sampling, performing spatial interpolation, normalization and filtering preprocessing on the environment data, and outputting a mining area ecological factor database; s2, on the basis of the ecological factor data, constructing a multi-index evaluation model by combining an analytic hierarchy process with clustering analysis to perform vegetation type division on the mining area, and generating partition templates with different ecological functions; and S3, constructing a plant phenological growth prediction model based on years of phenological observation data and weather forecast information. According to the mining area vegetation reconstruction method based on vegetation classification and division, precise planting and spatial layout are completed, the vegetation survival rate, biomass production and community diversity are remarkably improved, and the strict requirements of mining area ecological reconstruction for diversity and adaptability are met.

The invention discloses a fruit bagging device and a bagging system, and belongs to the technical field of agricultural automation. The fruit bagging device is novel and reasonable in structure, the paper bag binding mechanism and the paper bag taking mechanism are arranged on the main body rack in an integrated mode at the same time, the ingenious matching design of the paper bag binding mechanism and the paper bag taking mechanism is utilized, automatic bagging can be achieved, and efficient and accurate fruit bagging can be achieved in combination with an intelligent control system. The production efficiency is remarkably improved, the time and labor cost required by manual operation are reduced, the protection degree of the fruits is improved, and the fruits are prevented from being affected by diseases and insect pests and environmental factors in the growth process. In addition, due to automatic bagging operation, the damage rate of the fruits is reduced, the consistency of the appearance and quality of the fruits is ensured, and the market competitiveness is enhanced. The bagging system provided by the invention comprises the fruit bagging device and has all the characteristics of automatic bagging of the fruit bagging device.

The invention relates to the technical field of mangrove forest protection, in particular to a forest protection fence based on biophysical coordination and a prevention and control method thereof.The forest protection fence comprises a plurality of supporting components and an annular protection screen body, the multiple supporting components are arranged around target plants and form an annular supporting system, and each supporting component comprises a supporting rod and an expansion supporting assembly; the supporting rods are vertically arranged, the lower ends of the supporting rods can be inserted into a soil layer, the extension supporting assemblies are arranged on the supporting rods and can partially enter the position below the soil layer along with the supporting rods, and the extension supporting assemblies between every two adjacent supporting components can be connected in a matched mode. The annular protective screen body is connected with the annular supporting system and at least partially extends below the soil layer; through cooperation of the supporting component and the annular protective screen body, benthonic organisms around the target plant can be limited to move in the preset area, and growth of the target plant is assisted through movement of the benthonic organisms. According to the technical scheme, the growth of the target plant is protected by virtue of the cooperation of benthic organism activity, the supporting component and the annular protective screen body.

The invention provides a long-acting dripping antifogging master batch as well as a preparation method and application thereof, and the long-acting dripping antifogging master batch comprises the following components in parts by weight: 40-90 parts of matrix resin, 10-40 parts of a dripping agent, 1-20 parts of metal salt and 1-20 parts of a high-molecular-weight slow release agent. According to the long-acting dripping antifogging master batch disclosed by the invention, the dripping agent, the metal salt and the high-molecular-weight slow-release agent are compounded, and the long-acting dripping antifogging master batch is used for preparing a thin film material, so that the dripping lasting period of the thin film material can be effectively prolonged, and meanwhile, the thin film has relatively high light transmittance.

The invention provides a moniliella malayi and a fungicide and application thereof, and relates to the field of microorganisms. The acer rubrum is specifically acer rubrum RA, and the preservation number of the acer rubrum RA is CGMCC (China General Microbiological Culture Collection Center) No.35889. The acer rubrum RA can be used for preparing the acer rubrum. The strain has the capability of decomposing inorganic phosphorus, is wide in phosphorus-dissolving range, can decompose tricalcium phosphate, iron phosphate and aluminum phosphate, and particularly still has very strong capability of decomposing inorganic phosphorus under a low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases, and can inhibit diseases such as corn root rot, sorghum leaf spot or wheat root rot; the strain can be colonized in a soil environment of 5-40 DEG C, a microbial inoculum prepared from the strain can promote crop growth, the crop yield is remarkably improved, and high yield can be achieved even if the usage amount of phosphate fertilizer is reduced.

The invention belongs to the technical field of agricultural microorganisms, and discloses a strain of stenotrophomonas sp., which is named as stenotrophomonas sp. R5, is preserved in the China Center for Type Culture Collection on September 20, 2023, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20231758. The invention further discloses a microbial agent containing the bacterial strain and application of the microbial agent in prevention and treatment of rice planthoppers. According to the stenotrophomonas sp. R5 and the microbial agent containing the stenotrophomonas sp. R5, the control effect on rice planthoppers can reach 90% or above, compared with a conventional control method, the control effect is remarkably improved, and the survival rate of rice is greatly increased.

The invention provides a healthy plant community construction method based on an urban green land nutrition relationship, and relates to a construction method of an urban green land plant community. The construction method comprises the following steps: selecting plant communities to construct species according to urban green land types and functional requirements; according to the plant community establishment species, determining the nutrition relationship between the phytophagous arthropods corresponding to the establishment species plants and the nutrition relationship between the phytophagous arthropods corresponding to the natural enemies; and selecting functional plants according to the corresponding nutrition relationship, and configuring the functional plants around the colonized plants to construct and form a healthy plant community based on the urban green land nutrition relationship. According to the construction method, healthy growth of plants in the urban green land, nutritional relation coupling and ecological system balance of the urban green land can be realized.

The invention relates to the technical field of agricultural planting, in particular to a method for preventing and treating watermelon fusarium wilt by using a green bactericide, which comprises the following steps: preparing the green bactericide which comprises the following components in percentage by mass: 18-25% of composite plant source active component consisting of water lettuce extract, enteromorpha polysaccharide and field horsetail flavone; 20%-30% of an antagonistic bacterium compound preparation, wherein the antagonistic bacterium compound preparation comprises bacillus pumilus and trichoderma; 38%-45% of a nano-carrier, wherein a chitosan-sodium alginate compound is used as an embedding material; and the balance of auxiliary components. Applying the green bactericide to watermelon plants; through component optimization and a synergistic effect, compared with the prior art, the composition has the remarkable advantages that the safety is high, all the components are from natural plants or microorganisms, no chemical pesticide residue exists, the composition is healthy to human bodies and environmentally friendly, and the problems of drug resistance and soil pollution caused by chemical agents can be avoided.

The invention relates to the technical field of agricultural equipment, and discloses a peanut film mulching hole-free seeder which comprises an integrated frame, and a connecting frame is arranged at the front end of the integrated frame and used for being connected with a traction machine in a hanging mode; according to the device, a weakening point is accurately preset on a mulching film through a liftable micro hot needle, the traditional manual or mechanical hole breaking is replaced, a hole-free seeding mode of one hole and one point is realized, and the hole-free seeding efficiency is greatly improved. According to the method, the complex procedure of manual film breaking is avoided, the labor intensity is reduced, through the controllable design of the weakening points, it is ensured that peanut seedlings naturally break the mulching film, damage to roots is reduced, the emergence rate and the survival rate are increased, and meanwhile the problem of weed breeding or soil moisture loss caused by too large broken holes is effectively solved.

The invention relates to the technical field of agricultural information and seed and seedling cultivation, and discloses a peanut planting method for relieving continuous cropping obstacles of peanuts. The method comprises the following steps: constructing initial digital twins of a land parcel, and synchronously constructing a disease-resistant peanut variety screening and seedling pretreatment system; historical continuous cropping information, soil physicochemical and microorganism data, meteorological time sequence data and seedling cultivation parameters are fused, the system is driven to evolve into operation state digital twins, and seedling-soil-environment collaborative simulation is achieved. Evaluating the continuous cropping obstacle risk and the seedling adaptability based on the twinborn body, and generating a comprehensive diagnosis report containing a nutrient imbalance index, pathogenic bacteria abundance prediction, a root exudates cumulative effect and a seedling disease-resistant adaptation coefficient; according to the method, differentiated seed and seedling optimization, soil improvement and cultivation strategies are implemented, and management measures are dynamically optimized through real-time data feedback in a growth cycle. Through cooperative driving of digital twinning and seed and seedling cultivation, source prevention, control and intervention of continuous cropping obstacles are achieved.

The invention relates to the technical field of pest and disease damage prevention and control, in particular to a trichosanthes kirilowii maxim planting whole-process pest and disease damage monitoring-prevention and control collaborative management system, which comprises a data acquisition module, a data analysis module, a decision making module, a prevention and control execution module and a storage module, by means of agricultural prevention, physical prevention, biological prevention and chemical prevention, prevention and control measures are executed according to requirements of prevention and control decisions, and prevention and control conditions after the prevention and control measures are executed are fed back to the decision making module and the data acquisition module; and the decision making module receives the prevention and control condition feedback and then compares the association table with the prevention and control strategy again to judge whether to output the prevention and control decision again. According to the method, a'monitoring-decision-execution 'closed loop is constructed, the problems of opportunity dislocation and mutual interference of a comprehensive prevention and control strategy are solved through a prevention and control measure cooperative scheduling mechanism, and meanwhile precise prevention and control are achieved in combination with a dynamic monitoring system.

The invention discloses a paper base-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials and green high polymer materials. The mulching film comprises a paper base layer and a homologous polyhydroxyalkanoate covering layer arranged on the surface of the paper base layer. Through double-sided synergy of the water-based PHA coating on the soil sticking surface and the thermoplastic PHA extrusion film layer on the windward and rainy surface, and in combination with a'wet-to-heat 'integrated composite process and trace anhydride grafting, super-strong combination of a paper-plastic interface fiber tearing level is realized, and the problem that traditional paper-plastic is easy to layer is solved. Compared with a traditional fluorine-containing product, on the premise that total organic fluorine is not detected, the excellent barrier and moisture conservation performance is achieved with the thinner coating thickness by means of double barriers. The product has excellent mechanical laying adaptability and long-season weather resistance, is fully biodegradable, thoroughly solves the hidden dangers of micro-plastic residues and persistent organic pollutants, and is an ideal green agricultural covering material.

The utility model discloses a device for fruit bagging, and particularly relates to the technical field of agricultural equipment.The device comprises a fixing base, a clamping assembly, a binding assembly and a controller, the clamping assembly is provided with a mechanical clamping jaw capable of clamping or loosening a fruit bag, and the binding assembly is provided with a binding device. The air pump suction cups are fixed to the mechanical clamping jaws and used for adsorbing the two sides of a fruit bag or loosening the fruit bag. A clamping plate and a binding mechanism of the binding assembly are fixedly installed on the two sides of the fixing base respectively, when the clamping plate and the binding mechanism move towards each other relatively, a bag opening of the fruit bag can be closed, and the binding mechanism is used for binding and sealing the bag opening of the fruit bag; the clamping driving mechanism, the air pump suction cup, the clamping plate driving mechanism, the binding driving mechanism and the binding mechanism are all in signal connection with the controller. The automatic bagging and binding machine can achieve automatic bagging and binding, reduce manual labor and improve bagging quality and efficiency.

The invention discloses a PVA / urea / CC lignocellulose composite mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching films. The composite mulching film disclosed by the invention is obtained by adding PVA (Polyvinyl Alcohol) into a corncob lignocellulose HTP-CC dispersion liquid subjected to hydrothermal pretreatment, then sequentially adding glutaraldehyde, urea and glycerol and carrying out cross-linking reaction. The mechanical property of the PUCH mulching film prepared by the invention meets the GB / T35795-2017 standard, and the PUCH mulching film has excellent water vapor barrier property, ultraviolet shielding property, urea controlled release property, heat insulation property and biodegradability. The characteristics not only can promote crop growth, but also can reduce agricultural environmental pollution. Therefore, the PUCH mulching film shows huge potential to replace the traditional plastic mulching film, and has important application prospects in agricultural planting.

The invention relates to a flash evaporation material with a high transmission-reflection ratio, which is characterized in that the raw material of the flash evaporation material comprises polyethylene; the Frazier air permeability of the flash evaporation material is 0.45-0.85 m < 3 > / (min.m < 2 >); the transflective ratio of the flash evaporation material is 2-7m < 3 > / (min.m < 2 >. Mm), and the transflective ratio is equal to (Frazier air permeability. Reflectivity) / thickness. Through comprehensive regulation and control and balance of four groups of core parameters including the solvent ratio, the spinning parameters, the web forming speed and the hot rolling process, part of performance pain points in the prior art are solved, and the design requirement for the proper transflective ratio is met.

The invention belongs to the technical field of crop pollution prevention, and particularly relates to a rice heavy metal adsorption and isolation method based on iron agent regulation and control. According to the method, the iron agent is applied to the polluted rice field soil to induce the soil-rhizosphere interface to form an iron film, heavy metals (such as As, Cu, Pb and Cd) are fixed by virtue of adsorption and complexing effects of the iron agent, and migration of the heavy metals to rice roots is reduced, so that accumulation of the heavy metals at edible parts (leaves and ears) of the rice is reduced; the tolerance of the rice in a polluted environment is enhanced; and the risk of heavy metals in a food chain is reduced. Experiments show; through treatment of an iron film formed by a certain iron-based concentration, accumulation of the heavy metals in the rice leaves can be remarkably reduced, and the accumulation amount of the heavy metals in the rice leaves is far lower than the accumulation amount (1 / 40-1 / 120) of the heavy metals in rice roots. The invention provides an effective solution for farmland soil remediation and crop safety production.

The utility model discloses a film covering, fixed-point film breaking and soil covering all-in-one machine, which comprises a moving unit, a film covering unit and a soil covering unit, and is characterized in that the moving unit comprises a frame, a first gasoline engine arranged on the frame, walking wheels arranged on the frame, and a transmission part provided with a first transmission wheel; the film breaking unit comprises a second transmission wheel rotatably mounted on the frame, a crank rocker arm mechanism connected with the second transmission wheel, a film breaking rod mounted on the crank rocker arm mechanism and a drill bit mechanism mounted on the film breaking rod, and a transmission chain is mounted between the second transmission wheel and the first transmission wheel; the film mulching unit comprises a film cylinder frame, a film pressing wheel and a soil guiding wheel which are sequentially installed below the frame and in front of the drill bit mechanism from front to back, and the film pressing wheel and the soil guiding wheel are located on the two sides of the frame respectively; according to the equipment, two links of film mulching and fixed-point soil covering are seamlessly integrated, the soil filling and hole sealing operation procedure is moved forwards, the problem that labor is difficult to use in the links is effectively solved, and meanwhile convenience is provided for subsequent transplanting operation.

The invention discloses dsRNA of a targeted BdSpt7 gene, a biocontrol agent and application of the dsRNA. The sequence of the dsRNA of the targeted BdSpt7 gene is as shown in SEQ ID No.2. The invention further discloses a preparation method of the biocontrol agent of the targeted BdSpt7 gene. The active ingredient of the biocontrol agent is the dsRNA of the target BdSpt7 gene. The invention also provides an application of the botryosphaeria dothidea BdSpt7 gene in prevention and treatment of apple botryosphaeria dothidea, and a nucleotide sequence of the botryosphaeria dothidea BdSpt7 gene is shown as SEQ ID No.1. The invention also provides an African trichoderma harzianum engineering strain for expressing dsRNA, the African trichoderma harzianum engineering strain is integrated with a dsRNA expression box for interfering gene expression of a target gene BdSpt7, the dsRNA expression box is shown as SEQ ID No.1, and the African trichoderma harzianum is an African trichoderma harzianum with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No. 41709. The dsRNA targeting the BdSpt7 gene can significantly reduce the pathogenicity of the physalospora piricola through interference, and the African trichoderma harzianum engineering strain can colonize on the plant surface and continuously express the dsRNA so as to play a role in preventing and treating the physalospora piricola, and is green and environment-friendly.

The invention discloses beneficial fusarium oxysporum and application thereof in relieving apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The biological preservation number of the fusarium oxysporum FoB1 disclosed by the invention is CGMCC (China General Microbiological Culture Collection Center) NO.42195. The fusarium oxysporum FoB1 disclosed by the invention is beneficial fusarium oxysporum, and has the advantages of excellent biocontrol function, strong environmental adaptability and high affinity with a host. By optimizing the preparation process of the microbial inoculant, the activity and stability of the inoculant are remarkably improved, and a high-quality bacterium source is provided for large-scale production. On the basis, a simple and convenient bacterium-bearing nursery stock application technology is developed, a novel efficient biological prevention and control way is provided for relieving apple continuous cropping obstacles, and important technical support is provided for promoting green and sustainable development of the fruit tree industry.

The invention discloses dsRNA of a targeted potato beetle heat shock protein HSP70-KDa3 gene as well as a preparation method and application of the dsRNA of the targeted potato beetle heat shock protein HSP70-KDa3 gene. In order to solve the problems that an existing RNAi target gene is prone to off-target, poor in field stability and the like, the potato beetle heat shock protein gene LdHSP70-KDa3 serves as an RNA interference target for the first time, and a double-stranded RNA molecule shown as SEQ ID NO: 1 and a preparation method for preparing the double-stranded RNA are provided. Feeding experiments prove that the double-stranded RNA can efficiently silence target genes, the survival rate of potato beetle larvae is remarkably reduced, and feeding and growth development of the potato beetle larvae are inhibited. In addition, the invention further provides a biological preparation containing the double-stranded RNA and application of the biological preparation in prevention and treatment of potato beetles. The dsRNA targeting the HSP70-KDa3 gene provided by the invention has the characteristics of high efficiency, specificity, environmental friendliness and the like, and a new technical scheme is provided for green prevention and control of potato beetles.

The invention discloses an alfalfa planting management method based on high-altitude saline-alkali soil, and relates to the technical field of agricultural cultivation, and the method comprises the following steps: S1, an irrigation water preheating step: enabling irrigation water to flow through a deep-color pipeline laid on the ground surface for solar preheating; the preheated irrigation water is used for irrigating the field in a drip irrigation mode, and the irrigation water amount is determined according to the initial salt content of the soil and the target salt leaching depth. According to the alfalfa planting management method based on the high-altitude saline-alkali soil, through combination of irrigation water preheating treatment and precise drip irrigation, the contradiction between salt leaching operation and ground temperature keeping in a high-altitude area is effectively solved. Preheated irrigation water avoids soil temperature sudden drop caused by cold water irrigation, the layered covering technology synergistically inhibits water evaporation and salt upward returning, meanwhile, the soil temperature is kept stable, a proper water temperature and salt environment is created for alfalfa seed germination, and therefore the seedling emergence uniformity and the seedling survival rate are improved.

The invention relates to the technical field of microorganisms, and particularly provides application of bacillus amyloliquefaciens BA-89 in crop growth promotion and verticillium dahliae antagonism. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36498. The strain can secrete multiple extracellular enzymes (including protease, amylase, cellulase and glucanase), has the growth promoting characteristics of producing ammonia, dissolving potassium and the like, and can tolerate high temperature and ultraviolet stress; the compound has a remarkable antagonistic effect on various plant pathogenic bacteria (such as verticillium dahliae, fusarium oxysporum and phytophthora capsici); by inoculating the strain on cotton, the plant growth can be obviously promoted, the plant height, stem diameter, root length, leaf area and biomass are improved, and meanwhile, the disease index of verticillium wilt and the colonization amount of pathogenic bacteria at the root are effectively reduced. The strain disclosed by the invention can be used as a biological fertilizer and a biological pesticide, is used for cotton cultivation and disease prevention and control, and has a wide application prospect.

The invention relates to the technical field of pest prevention and control, in particular to a method for treating pine wood nematode infected wood through poria cocos. The method comprises the following steps: cutting down current-year epidemic wood, and treating tree heads, tree trunks and boughs to complete peeling and tendon retaining treatment; uniformly cutting the trunk and the boughs into standard cut-logs; the method comprises the following steps: selecting fresh poria cocos sclerotium skin tissues as strains, and cutting according to an area greater than 50% of a cross section; pit pits are dug in the sunny slope; laying small branches on the bottom layer, placing the cut-logs in the pits, fixing the cut-logs with non-woven fabrics after inoculation, covering the upper layer with thin branches and leaves, and covering with soil; the two-stage biological process of mycelium planting, propagation expanding and pine wood nematode and medium insect killing is sequentially completed through a soil heat and moisture preservation environment; the propagation path of pine wood nematodes is blocked through the natural isolation effect of soil, deadwood obtained after poria cocos is subjected to biological verification and then smashed on site to return to forests or be made into fuel particles, and harmless and resource recycling of epidemic wood is achieved. According to the method, the problems of pine wood nematode propagation and epidemic wood treatment are synchronously solved.

The invention discloses an anti-aging light-conversion silver black mulching film and a preparation method thereof, and belongs to the technical field of agricultural polymer films. The preparation method comprises the following steps: S1, mixing low-density polyethylene powder, aluminum paste, a complex light conversion agent, dioctyl phthalate and EVA (Ethylene Vinyl Acetate) to prepare silver light conversion master batches; s2, vinyl-terminated fluorosilicone oil, tert-butyl peroxybenzoate and linear low-density polyethylene powder are stirred for a reaction, and modified low-density polyethylene is obtained; the modified low-density polyethylene, maleic anhydride grafted polyethylene, a multi-effect light stabilizer and polyethylene wax are subjected to banburying granulation, and modified light-stable master batches are obtained; s3, carrying out banburying granulation on the low-density polyethylene powder, the polyethylene powder, carbon black, zinc stearate, ethylene bis-stearamide and the EVA powder to obtain black master batches; s4, blending the silver layer and the black layer, and performing double-layer co-extrusion to obtain the light-conversion silver-black mulching film. The light-conversion silver black mulching film provided by the invention has good mechanical properties and aging resistance.

The invention discloses trichoderma Guizhou GZMT12 and application thereof, and belongs to the technical field of microorganisms. The preservation number of the trichoderma Guizhou GZMT12 screened by the invention is CGMCC (China General Microbiological Culture Collection Center) NO. 42152. According to the present invention, the bacterial strain can provide inhibition effects on seven pathogenic bacteria such as Rhodococcus solani Kuhn, Botryosphaeria dothidea, Alternania alternania, Phomopsis litsea, Colletotrichum truncatum, Phytotrichum capsici, and Phytotrichum nitianae, and further has advantages of good prevention and treatment effect, wide antibacterial spectrum, wide application range, and the like.

The invention relates to the technical field of biology, in particular to pure bacillus simplex ZF535 capable of producing exopolysaccharides and application of the pure bacillus simplex ZF535. The preservation registration number of the simple pure bacillus ZF535 disclosed by the invention in the China General Microbiological Culture Collection Center (CGMCC) is CGMCC No: 34733. Pot experiment results show that leaf spraying or root irrigation treatment of exopolysaccharides of the strain ZF535 has a remarkable induced disease-resistant effect on cucumber angular spots, and the prevention effects are 56.59% and 60.43% respectively; the strain ZF535 exopolysaccharide has a remarkable induced disease-resistant effect on the cucumber soft rot disease through leaf spraying or root irrigation treatment, and the prevention effects are 54.35% and 65.11% respectively. In conclusion, the strain ZF535 is a simple pure bacillus with potential biocontrol application potential for inducing plant disease resistance, and has a better biocontrol effect.