225 results about "Chemical control" patented technology

The invention provides a method for increasing the growth rate of a citrus breeding material, and relates to the field of agricultural science. The method for improving the growth rate of the citrus breeding material comprises the following steps: selecting high-quality seedlings, and selecting citrus seedlings with excellent hereditary characteristics as the breeding material; the soil environment is optimized, the soil structure is improved, and the soil organic matter content is increased; nutrition management: formulating a scientific fertilization scheme including the proportion and the application amount of nitrogen, phosphorus, potassium and trace elements; according to the application of the growth regulator, the plant growth regulator is used for promoting cell division and elongation; disease and pest control: combining biological control and chemical control to control the occurrence of diseases and pests, and regularly monitoring the disease and pest conditions; environment regulation and control: temperature, humidity and illumination conditions are controlled, and a suitable growth environment is created. A scientific fertilization scheme is formulated according to the soil nutrient condition and the nutritional requirements of the citrus, and sufficient nutrients are ensured to be obtained in each growth stage, so that the growth rate is remarkably increased.

The invention discloses a planting method for improving corn yield based on chemical control agent regulation, and belongs to the technical field of corn planting, and the method comprises the following steps: S1, collecting real-time data of corn planting growth state; s2, cleaning and normalizing the real-time data of the corn planting and growing state; s3, integrating and storing the standardized real-time data of the corn planting and growing state; s4, analyzing the real-time data of the corn planting growth state, and determining a corn planting growth stage analysis result; and S5, formulating a corn planting chemical control agent application scheme, and carrying out automatic adjustment and real-time tracking on the chemical control agent according to different corn planting growth stages. The problems that in the prior art, the application condition of a chemical control agent cannot be adjusted in the corn planting process, the growth state of corn cannot be adapted, and the corn yield is low are solved. According to the method, the application condition of the chemical control agent can be adjusted in the corn planting process, the growth state of corn can be well adapted, and the corn yield can be increased.

The invention discloses bacillus (Bacillus sp.) GB-1. The preservation number of the bacillus (Bacillus sp.) GB-1 in Guangdong Microbial Culture Collection Center is GDMCC NO: 65601. The bacillus (Bacillus sp. The strain GB-1 has a good effect of degrading quorum sensing signal molecules OHHL, the quorum quenching effect of the strain is stable and remarkable, a new way and method are provided for biological control of AHLs-mediated pathogenic bacteria, the strain has huge application potential, the use of chemical pesticides can be reduced, and the cost is reduced. A new way is provided for replacing chemical prevention and control with biological prevention and control, and the application prospect is good.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a carbon fiber precursor oiling agent wastewater treatment device with a multi-stage filtering function, which comprises a base, one side of the upper end surface of the base is fixedly connected with a reaction tank, one side of the reaction tank is fixedly connected with a filtering tank, one side of the filtering tank is communicated with a water inlet pipe, and the other side of the filtering tank is communicated with a water outlet pipe. One side of the filter tank is communicated with a water inlet pipe, the other side of the filter tank is communicated with a water outlet pipe, the water outlet pipe penetrates into an inner cavity of the reaction tank, a coarse filter screen and a fine filter screen are transversely arranged in an inner cavity of the filter tank, and various dosing mechanisms are further arranged on the base. According to the wastewater treatment device, different types of chemicals can be added into wastewater by utilizing multiple types of chemical adding mechanisms and chemical control assemblies, so that different chemical adding requirements can be met, the wastewater treatment effect can be improved, the distribution area during chemical adding can be adjusted according to the area of a pollutant area, the chemicals are only concentrated in the polluted area, and the pollution is avoided. Therefore, accurate dosing is realized, the treatment efficiency is improved, and waste of drugs is also avoided.

The invention provides a method for measuring silver content in boron-containing water, which comprises the following steps: preparing a blank standard solution and a standard working solution by using a first-stage diluent and a second-stage diluent, and respectively pretreating the blank standard solution, the standard working solution and a to-be-measured sample solution by using a third-stage diluent; the first-stage diluent comprises a nitric acid solution, the second-stage diluent comprises a boron solution, and the third-stage diluent comprises a nitric acid solution; and measuring the silver content of the to-be-measured sample solution by adopting inductively coupled plasma emission spectrometry. According to the determination method provided by the invention, the silver content in the boron-containing water of the nuclear power plant can be accurately and rapidly detected through pretreatment of the test solution, the problem of boron interference in the boron-containing water is solved, the detection accuracy of the silver content is improved, and support is provided for chemical control of nuclear power loop water.

The invention discloses a gene related to southern blight resistance of dendrobium officinale and application of the gene. The CDS sequence of the gene Dof013141 is as shown in SEQ ID NO. 1. The Dof013141 gene is separated and screened, the problems of environmental pollution and drug resistance caused by a traditional chemical prevention and control method are successfully solved through overexpression of the gene in dendrobium officinale, dependence on chemical agents is effectively reduced, a new technical solution is provided for green and sustainable agricultural prevention and control, and the Dof013141 gene has a wide application prospect. The gene has a wide application prospect, can be successfully expressed in dendrobium officinale, and also can be popularized to disease-resistant breeding of other susceptible plants, so that the application of the gene in the fields of agricultural production and plant protection is further widened. The method not only provides powerful guarantee for improving the yield and quality of dendrobium officinale, but also opens up a new research direction for development and utilization of plant disease-resistant genes, and has great economic and social values.

The invention provides a planting mode of sweet corn capable of being eaten unripe, and relates to the technical field of sweet corn planting, and the planting mode comprises the following planting steps: step 1, planting environment selection, step 2, seed selection, step 3, fertilizer application, step 4, pest control, and step 5, field management. The method comprises the following steps: 1, selecting a planting environment: selecting a soil condition and a water source condition; step 2, seed selection, including variety selection and seed disinfection; step 3, fertilizer application: application of an organic fertilizer, application of a microbial fertilizer, nutrition regulation and control and application of a fertilizer additive; 4, disease and pest control including physical control, chemical control and biological control; 5, field management includes rational close planting, intertillage weeding and timely irrigation and drainage. The invention has the advantages of reducing the intake of harmful substances, ensuring the body health of eaters, reducing the pollution to soil, water sources and air, protecting the ecological environment, utilizing advanced means and improving the resource utilization rate.

The invention relates to the technical field of intelligent agriculture and crop cultivation, in particular to a soybean planting chemical control self-adaptive regulation and control method and system based on canopy risk identification, and the method comprises the steps: constructing a digital twinborn model for dynamically simulating the growth process of a soybean population; monitoring a canopy structure, a leaf area index LAI and a light interception rate of the soybean in the key growth period by using an unmanned aerial vehicle or a sensor, and calibrating the digital twinborn model; future weather forecast data are input into the calibrated digital twinborn model for growth simulation, and light distribution is simulated by means of a pre-established AI model to identify soybean population closing and illumination competition risks; and according to the risk identification result, a chemical control decision is generated autonomously, and the variable pesticide spraying machine is controlled to perform precise variable operation of soybean planting based on the chemical control decision. According to the method, group development can be predicted in a prospective manner, and risks can be accurately quantified, so that an intelligent regulation and control mechanism with prospective and active properties is actively triggered, and active intervention of planting is realized.

The utility model provides an electronic module of a modular industrial control device, which comprises a connecting assembly arranged on a control panel, and the connecting assembly comprises a connecting seat, and a first terminal and a second terminal which are arranged on two sides of the connecting seat in a manner of deviating from each other; the first terminal comprises a first terminal body and a clamping part; one end of the first terminal body is provided with a connecting part A and a connecting part B at an interval; the clamping part comprises two supporting plates and two clamping pieces, the middle portions of the two clamping pieces are elastically connected in an abutting mode, and the two ends of each clamping piece are in a horn shape. The second terminal comprises a first fixing section, a second fixing section and a plugging section; and the plugging section is electrically connected with the adjacent electronic module. According to the utility model, the connecting assembly is arranged on the control panel, and the connecting assembly adopts a double-sided clamping type connecting mode, so that the connection is stable and reliable, the vibration resistance and the impact resistance of a product are greatly improved, the through-current capability is also improved, and the manufacturing cost is reduced.

The invention relates to the technical field of chemical control of brontispa longissima and discloses a pesticide preparation for controlling brontispa longissima and a preparation method and application thereof.The pesticide preparation is composed of active ingredients, auxiliaries and deionized water, and the auxiliaries comprise a polymeric dispersant and a high-molecular polymer emulsion; the polymeric dispersant comprises polymeric polycarboxylate, a modified polyacrylic acid copolymer and sodium salt of a maleic acid / olefin copolymer; the high-molecular polymer emulsion comprises a pure acrylic emulsion, a styrene-acrylic emulsion, a silicone-acrylic emulsion, a fluoroacrylic emulsion, a vinyl acetate-acrylic emulsion, a polyvinyl acetate emulsion, a polystyrene emulsion, a styrene-maleic acid copolymer emulsion, a polyethylene wax emulsion, a vinyl acetate-ethylene copolymer emulsion and a polyurethane emulsion. The special pesticide suitable for flying prevention is provided for flying prevention and control of the brontispa longissima, unmanned aerial vehicle plant protection is achieved for preventing and controlling the brontispa longissima of tall tree species such as coconut trees and areca trees, and the defects of an existing brontispa longissima prevention and control method are overcome through the flying prevention advantage.

The invention relates to a chemical control method and system in a unit overhaul shutdown period when reactor core components of a nuclear power station are damaged. The chemical control method comprises the following steps: determining the damage type of the reactor core components; if the damage type of the reactor core part is fuel damage, performing preparation before overhaul of the fuel damage unit, and after the preparation before overhaul is completed, performing chemical control in the descending period of overhaul of the fuel damage unit; and if the damage type of the reactor core part is neutron source damage, executing preparation before overhaul of a neutron source damage unit, and after the preparation before overhaul is completed, executing chemical control in an overhaul descending period of the neutron source damage unit. According to the method, chemical control can be carried out on a unit with fuel damage or neutron source damage in the overhaul descending period, dosage rising caused by deposition or unfavorable removal control is avoided, and the overhaul period can be prevented from being delayed.

The invention belongs to the technical field of plant cultivation, and particularly relates to a wheat shallow-buried drip-irrigation uniform-sowing densification high-yield cultivation method and system, two main treatments of traditional sowing and uniform sowing are set, four different cultivation densities are set at the same time, and changes of wheat growth and yield under different treatments are observed; a drip irrigation tape laying mode of one pipe and two rows is adopted; two chemical control agents of chlormequat chloride and paclobutrazol * mepiquat chloride are sprayed in the three-leaf stage and the elongation stage of wheat, and the dosage of the chemical control agents is set to be three gradients; determining a chemical regulation and control scheme of the spring wheat under the close planting cultivation condition; under the condition of close planting, the control effect of close planting chemical control on wheat growth and yield is studied by adopting a split area test design, and the control effect of water and nitrogen control on wheat growth and yield is studied. According to the method, the planting density and the planting specification of a shallow-buried drip irrigation uniform sowing mode are defined, and a high-yield, high-quality and high-water-efficiency irrigation and fertilization scheme for wheat is determined.

The invention discloses bacillus Witzmannii for inhibiting phytopathogen and application of the bacillus Witzmannii, relates to the field of biological prevention and control, and aims to solve the problem that chemical prevention and control methods of phytopathogen cause negative effects on ecological environment and human health. The bacillus wiedmannii is bacillus wiedmannii SJZ and is preserved in the China Center for Type Culture Collection, the preservation date is December 23, 2024, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: M 20242884. The bacillus vetzmannii disclosed by the invention can be used for inhibiting sclerotinia sclerotiorum and solanum nigrum. And protease, cellulase and chitinase can be secreted. The bacillus vetzmannii is used for nitrogen fixation and can secrete siderophores and IAA (indoleacetic acid).

The invention relates to a pest physicochemical control gradient decision-making method and system based on multi-mode perception driving, and belongs to the field of agricultural pest control. The method comprises the steps that multi-modal perception data are acquired, a multi-modal perception model is constructed, perception information is output, and the perception information comprises insect quantity density, a voiceprint migration index and an environmental stress coefficient; constructing a cellular automaton model based on the perception information, simulating pest diffusion and outputting a risk thermodynamic diagram; and outputting a pest physicochemical control gradient decision based on the risk thermodynamic diagram. The method solves the long-standing problems of response lag, too high cost, inaccurate prediction and the like in the field of pest control, and has an application prospect.

The invention relates to the technical field of crop yield increase, and discloses a soybean yield-increasing compound regulator and a soybean yield-increasing chemical control method.The basic effective components of the compound regulator comprise prohexadione calcium and forchlorfenuron, and the yield-increasing chemical control method comprises the step that an aqueous solution of the compound regulator is sprayed at the branching stage and the final stage of full bloom of soybeans respectively, the dosage of the compound regulator is 10 g / mu in the soybean branching period and 20 g / mu in the final stage of soybean blooming. According to the chemical control method for increasing the yield of the soybeans, provided by the invention, different types of growth regulators (prohexadione calcium, forchlorfenuron, triacontanol and 24-epibrassinolide) are compounded to form a compound agent, and the compound agent is sprayed on leaf surfaces in key periods (a branching period and a final stage of full bloom) of the soybeans, so that vegetative growth and reproductive growth of the soybeans are comprehensively promoted and regulated; the stress resistance of the soybeans is enhanced, the lodging risk of the soybeans is reduced, a better flower and pod protection effect is achieved, and the yield of the soybeans is increased.

The invention discloses a tank cleaning instrument for a Suma tank and a using method of the tank cleaning instrument, and belongs to the field of cleaning devices in containers. The tank cleaning instrument for the Suma tank comprises a rack, the transmission device is fixedly arranged on the rack; the transmission device comprises a driving motor, an annular guide rail, a transmission belt and a sliding seat; the transmission device is connected with a plurality of connecting support plates; the placing seat is fixedly arranged on the upper surface of the connecting supporting plate; the lifting device comprises a lifting component bracket, a lifting driving component and a connecting block; the gas circuit device comprises a three-way electromagnetic valve, a gas filling pipe, a gas extraction pipe and a gas inlet and outlet straight pipe; the three-way electromagnetic valve is mounted on the connecting block; the upper end part of the gas path connecting part is connected with the lower end of the gas inlet and outlet straight pipe, and the lower end part of the gas path connecting part is connected with a gas production port of the Suma tank. The tank cleaning instrument for the Suma tank is exquisite in structural design, the labor intensity of operators is relieved, and the cleaning stability of the Suma tank is high; the tank cleaning instrument for the Suma tank can be automatically and intelligently used, and precise control over the cleaning process is achieved.

The invention discloses bacillus velezensis as well as a compound medicament and application thereof, and belongs to the technical field of plant disease control. In order to solve the problems of easy generation of drug resistance, influence on ecological environment, residue of forbidden pesticide, excessive pesticide and the like in the existing chemical control method for cowpea fusarium wilt, the invention screens out a bacillus velezensis T9 with a relatively good inhibition effect on pathogenic bacteria of cowpea fusarium wilt; experiments find that the strain T9 has an obvious inhibition effect on various plant pathogenic fungi, and a bacterial solution of the strain T9 can effectively prevent and treat cowpea fusarium wilt and can effectively promote cowpea growth; besides, the compound medicament prepared from prochloraz and bacillus velezensis T9 bacterial liquid is used for irrigating cowpea seedlings, and the compound medicament is found to have a good control effect on cowpea fusarium wilt, can effectively reduce the use amount of chemical medicaments, and also has a certain growth promoting effect on cowpea plants.

The invention relates to the technical field of agricultural cultivation, and particularly discloses a northern Xinjiang egg-wrapped wheat drip irrigation sowing method, which comprises the technical key points of preparation before sowing, sowing, field management, timely harvesting and the like, and is completed by selecting an excellent wheat variety with high yield, good stress resistance and large high-yield potential and sowing 2-3 days before freezing, reasonable dripping, fertilization, chemical control, chemical weeding and pest control are carried out, and the yield of the northern Xinjiang egg-coated wheat is increased.

The application discloses a multi-carboxyl copolymer aqueous composition for pulp adding in packaging paperboard, synergism in short-stay pulp of packaging paper and fiber synergism in wet end of bamboo pulp paper, and a preparation and application method thereof, and belongs to the technical field of pulp and paper chemicals and wet end chemical control. The composition contains carboxyl-rich copolymer, and can be selected as high filtration rate homogeneous aqueous solution type, flexible type acid or bamboo pulp low cation density copolymer according to paper types, and is prepared through water phase free radical polymerization. In application, the composition is diluted and then added in a divided mode after a fan pump outlet to a pressure screen inlet or after a cationic polyacrylamide retention agent or in a bamboo pulp system. The method is beneficial to improving fiber combination, drainage stability, first-pass retention rate, white water stability and paper strength, and improving the adaptability of wet end dosing windows of different paper types.

The present application relates to a kind of fluoro-eth composition, plant growth regulator and its application, belong to the technical field of pesticide.The present application provides a kind of fluoro-eth composition, including flumetralin and ethephon, and the mass ratio of flumetralin and ethephon is flumetralin:ethephon=1:(0.05-20).The present application creatively combines control tip drug flumetralin and kill tip drug ethephon together to prepare fluoro-eth composition, and the compound preparation of flumetralin and ethephon can be used to control and inhibit litchi winter shoot, and its efficacy is mild, and the safe period is longer, and the safety is extremely high, compared with the conventional chemical control drug used alone, the control effect on litchi winter shoot is also more comprehensive and excellent, not only can control the germination of winter shoot, is conducive to the accumulation of tree nutrients, promotes flower bud differentiation, but also can have obvious control or kill shoot effect on the growth of litchi winter shoot that just sprouts certain length, so as to reduce the consumption of tree nutrients, lay a solid foundation for the stable yield of second year.

The invention relates to the technical field of crossing of biological control and chemical control of agricultural pests. The invention provides a synergistic prevention and treatment composition containing dsLCP1 and a chemical agent for Frankliniella occidentalis, the synergistic prevention and treatment composition for Frankliniella occidentalis comprises the dsLCP1 and the chemical agent, and the nucleotide sequence of the dsLCP1 is shown as SEQ ID NO.1. The invention further provides a preparation method of the synergistic prevention and treatment composition for Frankliniella occidentalis. The chemical agent is spirotetramat or pyrafluxazole amide. The invention further provides a preparation method of the synergistic prevention and treatment composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis. The invention further provides a control method for the plant Frankliniella occidentalis. The invention further provides application of the synergistic prevention and control composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis to prevention and control of the Frankliniella occidentalis. The synergistic prevention and control composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis provided by the invention solves the problems of prevention and control faults in an egg-adult stage of the Frankliniella occidentalis and insufficient prevention effect of the chemical agent. After compounding, the dosage of chemical agents can be reduced, and pesticide residues are reduced.

An attractant for Telenomus remus Nixon to control Spodoptera litura Fabricicus is provided. The attractant includes a solvent and at least one of the following components: 1,3-dichlorobenzene, benzothiazole, and octane. The attractant can effectively attract Telenomus remus Nixon to parasitize Spodoptera litura Fabricius eggs, such that the growth of a pest quantity is inhibited and the pest population gradually dies out, which achieves the purpose of pest control. The attractant is a green, non-toxic, and pollution-free attraction substance. Therefore, the attractant can solve a series of problems such as pesticide residues, environmental pollution, and food safety caused by chemical control, and is of great significance for the green control of Spodoptera litura Fabricius.

The invention relates to the field of pesticide preparations, and discloses a sterilization composition containing tetramycin and Saisentong as well as a preparation method and application of the sterilization composition. Tetramycin and Saisentong serve as active components of the composition, and a dual-structure composite lignin derivative system serves as a functional carrier; the system is composed of high-molecular-weight modified lignosulfonate and specific lignin phenol fragments with low polymerization degree. The high-molecular-weight component forms a physical barrier on the surfaces of active component particles, so that the storage stability and the application safety of the preparation are improved; the low-polymerization-degree component can be degraded by an extracellular enzyme secreted by citrus canker pathogen, so that the targeted release of the active component at the focus is realized. The composition disclosed by the invention effectively reduces the decomposition rate of the active components and the phytotoxicity risk to crops, and meanwhile, the field control effect on the citrus canker is remarkably improved. The composition provides an efficient and safe new choice with a targeting effect for chemical prevention and treatment of citrus canker.

The invention belongs to the field of plant growth regulators, and relates to a turfgrass dwarfing agent and a preparation method thereof. Comprising the following components in percentage by weight: 95 to 99 percent of bamboo growth-control hormone extracting solution and 80 to 95 percent of water in the bamboo growth-control hormone extracting solution, wherein the bamboo growth-control hormone extracting solution is prepared from the following components in percentage by weight: 95 to 99 percent of bamboo growth-control hormone extracting solution and 80 to 95 percent of chitosan; the ratio of the chitosan is 1-5%. The method has the beneficial effects that the growth-control active ingredient extracting solution of the grown bamboo is mixed with the chitosan, so that the dwarfing of the turfgrass is controlled, and the trimming frequency of the turfgrass is reduced. The components used in the invention belong to pure natural materials, and are green and environment-friendly. Forestry bamboos are used for processing leftovers of bamboo boards and bamboo furniture, resources are fully utilized, and economic benefits of the bamboo industry are benefited. The damage to lawn grass caused by conventional long-term use of chemical control chemicals (trinexapac-ethyl and the like) is changed.

The invention relates to the technical field of fruit tree cultivation, and discloses an apple deep-rooted cultivation method suitable for M9T337 rootstock, the apple deep-rooted cultivation method comprises the steps of nursery stock pretreatment, ditching and field planting, staged soil covering and chemical control management, rootstock cortex rooting is induced by combining layer-by-layer soil covering and chemical control measures, and the problems of shallow root system and poor stress resistance of the M9T337 rootstock are solved. According to the method, a complete technical chain of pretreatment, field planting, root inducing, regulation and maintenance is constructed, a continuous deep root induction environment is created through staged soil covering, and a deep root cultivation mode from passive adaptation to active induction is realized by matching with pretreatment of a composite agent to induce rooting and chemical control management to coordinate nutrient distribution. Practice shows that after M9T337 rootstock apple seedlings cultivated through the method are planted for one year, the proportion of deep root systems below 30 cm is increased to 45-50% from 15-20% of traditional cultivation, the length of main roots can reach 50-60 cm, root system distribution is more reasonable, and the deep water and fertilizer absorption capacity is remarkably improved.

The invention relates to the technical field of bacteriostatic agents, in particular to a plant perfume compound microorganism sustained release preparation as well as a preparation method and application thereof. The plant perfume compound microorganism sustained release preparation is prepared from the following raw materials in parts by mass: 2 to 4 parts of clove oil, 6 to 10 parts of citronellal, 1 part of an emulsifier, 2 to 4 parts of chitosan, 2 to 10 parts of sodium alginate, 2 to 6 parts of weathered coal humic acid, 2 to 6 parts of a compound bacterium agent, 10 to 20 parts of charcoal, 2 to 6 parts of amino-terminated polyamidoamine and 0.0002 to 0.0008 part of genipin. Through a triple synergistic mechanism of bacteriostasis of the complex microbial inoculant, slow release of plant active ingredients and rhizosphere micro-ecological regulation and control, the bottleneck that a single biotechnology is low in control effect and short in lasting effect is broken through, compared with chemical control, the cost is greatly reduced, and the method is suitable for an organic pineapple planting system and has remarkable economic and ecological benefits.

The invention relates to a chemical control agent suitable for liquorice and screening of the chemical control agent. The chemical control agent is composed of uniconazole. The invention also provides application of uniconazole in preparation of the glycyrrhiza chemical control agent, and optionally, the chemical control agent has one or more of the following applications: a, reducing the area of glycyrrhiza leaves; b, increasing the chlorophyll content of licorice leaves; c, thickening the roots of the licorice roots; d, reducing the height of licorice plants; e, increasing underground biomass of liquorice; f, increasing the content of total flavonoids in liquorice roots; and g, increasing the content of one or more of glycyrrhizic acid, liquiritigenin, isoliquiritigenin and glycyrrhetinic acid of the licorice roots. The invention further provides a method for improving lodging resistance of liquorice. The method comprises the step of applying uniconazole to the liquorice. The invention provides a thought and a method for effectively controlling the plant height of liquorice and improving the economic benefit of liquorice cultivation, and lays a foundation for field management and sustainable development of subsequent liquorice cultivation.

The present invention provides an integrated regulator and a regulation method for the strip intercropping mode of soybean and corn, belonging to the technical field of high-yield cultivation of crops. The regulator includes regulator I and regulator II which are independently packaged; regulator I uses water as a solvent and includes components with the following final concentrations: 150-350 mg / L of ethephon, 30-50 mg / L of uniconazole, 10-50 mg / L of diethyl aminoethyl hexanoate, and 1-3 mL / L of surfactant; regulator II uses water as a solvent and includes components with the following final concentrations: 50-60 mg / L of uniconazole and 1-3 mL / L of surfactant. The regulator of the present invention is universal for soybeans and corns, realizes the integrated chemical control of soybeans and corns, combines the adjustment of spraying time, reduces the chemical control times and labor costs, and achieves the effects of controlling plant growth, preventing lodging and increasing yield.

The invention discloses a CO2 sustained-release capsule and a preparation method thereof. The CO2 sustained-release capsule comprises sodium alginate, corn starch, amyloglucosidase, saccharomyces cerevisiae and anhydrous calcium chloride, and a solvent is ultrapure water. The saccharomyces cerevisiae is Saccharomyces cerevisiae BNCC185415, and the saccharomyces cerevisiae is Saccharomyces cerevisiae BNCC185415. The mass ratio of the sodium alginate in the capsule preparation is 2.00%-3.00%, the mass ratio of the corn starch in the capsule preparation is 10.00%-30.00%, the content of the amyloglucosidase in the capsule preparation is 1.0-3.0 U / g, and the mass ratio of the saccharomyces cerevisiae in the capsule preparation is 10.0%-30.0%. Based on the general taxis of underground pests to CO2, the invention creates a CO2 sustained-release capsule which has remarkable attraction activity on the pests, and the underground pests can be trapped, killed, prevented and controlled by combining physical prevention and control, biological prevention and control, chemical prevention and control and other measures in practical application.

The present invention discloses a gene related to resistance to white rot of Dendrobium officinale and its application, wherein the CDS sequence of gene Dof013141 is shown in SEQ ID NO.1. The present invention isolates and screens the Dof013141 gene. The overexpression of this gene in Dendrobium officinale successfully overcomes the environmental pollution and drug resistance problems caused by traditional chemical control methods, not only effectively reduces the dependence on chemical agents, but also provides a new technical solution for green and sustainable agricultural prevention and control. The application prospect of this gene is broad. In addition to its successful performance in Dendrobium officinale, it can also be extended to the disease-resistant breeding of other susceptible plants, further broadening its application in the field of agricultural production and plant protection. The present invention not only provides a strong guarantee for improving the yield and quality of Dendrobium officinale, but also opens up a new research direction for the development and utilization of plant disease-resistant genes, with great economic and social value.