20results about How to "Good prevention effect" patented technology

The invention discloses protozoa zopoda and application of the protozoa zopoda in promotion of tomato growth and prevention and control of fusarium wilt. The protozoa zopoda cometa NJAU-S1 is preserved in the China Center for Type Culture Collection, and the preservation number of the protozoa zopoda cometa NJAU-S1 is CCTCC (China Center for Type Culture Collection) NO: C2025398. Pot experiment results show that inoculation of protozoa nematopoda NJAU-S1 can significantly promote tomato growth, and plate experiments show that inoculation of protozoa nematopoda NJAU-S1 can inhibit growth of tomato fusarium oxysporum and reduce the infection ability of tomato fusarium oxysporum to tomato, so that the inhibition effect of tomato fusarium oxysporum on tomato growth is relieved. The invention provides a new strategy and resource for biological prevention and control of tomato fusarium oxysporum and scientific planting of tomatoes, and has important application value for safe production of food crops.

The present application relates to a kind of parabacillus (Bacillus paralicheniformis) Bacillus paralicheniformis ) HMF14, the preservation number is CGMCC No.30480.The parabacillus HMF14 of the present application can resist salt and alkali, can simultaneously antagonize fusarium oxysporum, microdochium nivale var. avenae and xanthomonas campestris pv. tridii, also has toxic effect to pratylenchus penetrans and tetranychus cinnabarinus, can effectively prevent and treat wheat take-all disease and wheat black foot disease.

The invention provides a desktop environment operation and maintenance management method and equipment based on an operating system. The method comprises the following steps: acquiring system operation data; according to the system operation data, current state data is determined, and the current state data is used for representing the abnormal state of the system; inputting the system operation data into the fault prediction model, so that the fault prediction model predicts to obtain prediction state data, and the prediction state data is used for representing an abnormal state possibly occurring in the system; determining a desktop environment operation and maintenance management strategy based on the operating system according to the current state data and the predicted state data; and executing the desktop environment operation and maintenance management strategy based on the operating system. The method is used for achieving the effect of improving the desktop environment fault preventability.

The virus disclosed by the invention is a multi-mutant virus, and the multi-mutant virus is a multi-mutant virus in which more than two genes of herpes simplex virus type 1 (HSV-1) are changed, and the change of the genes is that gene functions are deleted or reduced.

The application discloses a bactericidal composition and application thereof in prevention and treatment of crop diseases, and belongs to the technical field of plant disease prevention and treatment. An active ingredient of the composition comprises a compound ZJS178 with a structure as shown in formula (I) and a methoxy acrylate bactericide, and the bactericidal composition has excellent prevention and treatment effects on crop diseases caused by fusarium. The compound ZJS178 and the methoxy acrylate bactericide have a synergistic effect under certain matching conditions, and can significantly improve bacteriostatic activity and prevention and treatment effects. The composition provided by the application is composed of effective ingredients with different action mechanisms, can overcome and delay drug resistance of pathogenic bacteria, is safe for crops, and meets the requirements of pesticide reduction and synergism.

This invention discloses a fungal encapsulation agent for *Ischemicula elais* and its application in the control of pine wilt disease, belonging to the field of microbial control technology. This invention uses *Ischemicula elais* as the functional microorganism, combined with carrier materials, additives, and active ingredients to prepare a solid microbial encapsulation agent. The shelf life of *Ischemicula elais* spores at room temperature is extended from 2-3 days for traditional spore solutions to over 3-6 months, and up to 12 months under 4°C refrigeration, solving the problem of inconvenient low-temperature storage in mountainous areas. The microencapsulation components form a slow-release protective layer, preventing activity loss caused by environmental factors such as high temperature and drought.

The application belongs to the technical field of pesticide mite killing, and discloses a pesticide composition and application thereof. The pesticide composition comprises active ingredient A and active ingredient B. The active ingredient A is (4'-chloro-6-fluoro-4-methyl-[1,1'-biphenyl]-3-yl)(2,2,2-trifluoroethyl) sulfide. The active ingredient B is any one of spirodiclofen or bifenazate. The mass ratio of the active ingredient A to the active ingredient B is 1:52-45:1. The pesticide composition has good control effect on citrus leaf mite and two-spotted spider mite, is fast-acting, and has long effective period.

The utility model relates to the field of medical instruments, in particular to an adjustable lower limb pressurizing device for preventing peripheral neuropathy after chemotherapy, which comprises a sock, a pressurizing component and a bandage. The pressurizing assembly comprises a first pressurizing air bag arranged on the upper area of the shank, a second pressurizing air bag arranged on the lower area of the shank and a third pressurizing air bag arranged on the ankle, and the first pressurizing air bag, the second pressurizing air bag and the third pressurizing air bag are fixed to the outer side of the sock cover and connected with an inflating device through inflating pipes. Massage silica gel is arranged at the position, coinciding with human body acupoint body surface projection, of the inner side of the sock cover, and positioning lines and positioning points corresponding to the physiological structure are arranged on the surface of the sock cover. And the at least two bandages are fixed outside the sock sleeve and the pressurizing air bag at intervals. The pressurizing force can be adjusted in different areas, the concentration distribution difference of chemotherapeutic drugs on lower limbs is matched, and the prevention effect is improved in combination with traditional Chinese medicine acupoint stimulation.

The application belongs to the technical field of pesticide insecticide and fungicide, and discloses a pesticide composition containing fluazinam and fludioxonil and application thereof. The pesticide composition comprises a fungicide and an insecticide. The fungicide is fluazinam and fludioxonil, and the insecticide is thiamethoxam. The pesticide composition has reasonable components, can prevent various plant diseases and insect pests, and has remarkable synergistic effect after one-time application, thereby saving labor and time.

The present application relates to a kind of pyraclostrobin chlorothalonil water emulsion and its preparation method, it relates to the technical field of pesticide preparation, wherein, by mass percentage, the water emulsion includes pyraclostrobin 8-12%, chlorothalonil 16-24%, solvent 10-18%, composite surfactant 8-15%, photosynthesis promoter 2-6%, penetration spreader 3-8%, epichlorohydrin 1-3%, glycerol 3-6%, organic silicon defoaming agent 0.1-0.5%, the rest is water;The mass ratio of pyraclostrobin and chlorothalonil is 1:2.The present application realizes the rapid penetration of liquid medicine and the rapid dry of disease spot by accurate particle size control and formula system, simultaneously significantly enhances the photosynthesis of crops using photosynthesis promoter, realizes the dual effect of spot control and leaf, quality increase and yield increase while high-efficiency sterilization.

The present application relates to an inhibitor compound, and aims to provide an acetohydroxy acid synthase inhibitor and a preparation method and application as a herbicide thereof. The structural formula of the compound is shown as formula (I), and the compound specifically inhibits the activity of acetohydroxy acid synthase or its mutant W574L in plants. The present application further provides a method for applying the compound as an agricultural chemical herbicide. The compound has good enzyme inhibition activity on wild-type acetohydroxy acid synthase and / or its mutant W574L, and thus can be used as an agricultural chemical herbicide for the prevention and treatment of various weeds in the agricultural field; can be used as a pre-emergence and post-emergence herbicide, and the prevention and treatment objects include various field weeds, and has a special effect on the prevention and treatment of the malignant weed Euphorbia lathyris L.; has the characteristics of low dosage, excellent herbicidal activity, wide weed spectrum, good transmission, wide application window period, safety to rice and the like.

The present application relates to the technical field of genetic engineering, and provides application of locust Reeler gene and coded protein thereof in prevention and treatment of locusts, wherein the polynucleotide sequence of the locust Reeler gene comprises a sequence shown in SEQ ID NO:1, a complementary sequence, a degenerate sequence, a truncated sequence, or a homologous sequence or a complementary sequence having 90% or above identity with SEQ ID NO:1 and hybridizing under stringent conditions. The present application can design and synthesize interference molecules for specifically silencing the target gene by providing a molecular target of the Reeler gene, so as to specifically inhibit expression of the Reeler gene in the group-living locusts, thereby providing a key molecular basis for weakening the immune defense ability of the locusts to Metarhizium anisopliae, and realizing synergistic effect of immune sensitization and biological killing.

This invention provides a device and method for preventing and detecting pests and diseases in crops. The device includes a detection platform with a bracket. A receiving shell is located on the left side of the detection platform, and supports are located on the other side. Detectors are connected to the supports. The left side of the receiving shell is fixedly connected to the detection platform via a reinforcing frame. An inlet pipe is located on the upper side of the receiving shell, and a U-shaped connecting plate and a screen plate are inserted into the inlet pipe. This invention integrates multiple detectors, facilitating the detection of multiple substances on one side, improving space utilization, increasing detection efficiency, enhancing the preventative effect against pests and diseases, and facilitating the crushing and preliminary sieving of the substances, thus improving the sieving effect and preventing the substances from accumulating into clumps.

The invention discloses a water-soluble insecticidal fungus granule as well as a preparation method and application thereof. The granule is prepared by the following steps: (1) uniformly mixing materials comprising five components, namely fungal spores, a water-soluble carrier, an ultraviolet protective agent, an anti-blocking agent and a water-soluble auxiliary agent, so as to obtain a premix; the mass parts of the five components are respectively 1-20 parts, 65-94.5 parts, 0.5-10 parts, 1-10 parts and 0-23 parts, and the total mass part of the five components is 100 parts; and 2) carrying out granulation treatment on the premix. The granules can be rapidly dissolved when meeting water, fungal spore germination is protected, the ultraviolet resistance of fungal spores and the spore germination rate under ultraviolet irradiation are improved, and the preservation time of the fungal spores is prolonged. The granule can be flexibly applied to various modes such as broadcast application, spraying and drip irrigation, the field applicability and the control effect stability of the insecticidal fungus preparation are remarkably improved, the preparation process is simple, and the granule is suitable for large-scale production.

This invention relates to a class of asymmetric aromatic diselenyl ether compounds and their uses in pesticide preparation, particularly in the preparation of antiviral agents and fungicides. The asymmetric aromatic diselenyl ether compounds of this invention exhibit excellent control efficacy against tobacco mosaic virus (TMV) at a concentration of 500 mg / L, with a live inactivation efficacy of 71.6%, a live protective efficacy of 58.3%, and a live curative efficacy of 60.1%. At a concentration of 50 mg / L, the asymmetric aromatic diselenyl ether compounds of this invention also show excellent control effects against early blight of tomato, scab of wheat, rice blast, Phytophthora blight of pepper, sclerotinia rot of rapeseed, gray mold of cucumber, sheath blight of rice, wilt of cucumber, brown spot of peanut, ring rot of apple, sheath blight of wheat, small leaf spot of corn, anthracnose of watermelon, and bakanae disease of rice, with a fungicidal activity of up to 92.3%.

The application discloses a Pseudomonas aeruginosa CWD-D and application thereof in preventing and treating plant diseases. The Pseudomonas aeruginosa CWD-D strain is preserved in the China Center for Type Culture Collection on July 31, 2023, and the address of the preservation center is Wuhan, Wuhan University, China, and the preservation number is CCTCC No: M 20231386. The strain has a high efficient inhibiting effect on phytophthora colocasiae, phytophthora citri and phytophthora capsici, and also has an excellent effect in preventing and treating plant diseases caused by the pathogenic bacteria, and is significantly stronger than a Pseudomonas aeruginosa model strain PAO1. In addition, the bacterial suspension and the fermentation liquor prepared from the strain also have the same pathogenic bacteria inhibiting effect, the culture condition requirement is low, and the strain has a good development and application prospect.

The invention discloses a seed treatment agent for preventing and treating garlic bulb rot, and belongs to the technical field of agricultural biology. The active ingredients of the seed treatment agent comprise metalaxyl-M, fludioxonil and clothianidin. Metalaxyl-M and fludioxonil are compounded to respectively show extremely high inhibitory activity on two main pathogenic bacteria, namely phytophthora and fusarium, causing garlic bulb rot, and after compounding, antagonism is avoided, so that the metalaxyl-M and fludioxonil can synergistically exert prevention and treatment effects. The treatment agent can be prepared into dosage forms such as a suspended seed coating and the like, and is used for seed dressing or coating treatment of garlic seeds. Field experiments show that the seedling death rate and the bulb rotting incidence rate can be remarkably reduced, yield increase is promoted, and the method is safe to seeds. The invention fills the blank of the special prevention and treatment medicament for garlic bulb rot, and has important application value.

The invention discloses chaetomium cochliodes GRQ-2 and application of the chaetomium cochliodes GRQ-2, the chaetomium cochliodes GRQ-2 is separated from tobacco plants and has an excellent prevention effect on tobacco floating seedling root rot, and the morbidity is only 22.22%; the confrontation culture shows that the strain GRQ-2 has an obvious inhibition effect on the growth of the trichoderma trefoil, and the bacteriostasis rate can reach 82.09%; in addition, the antagonistic activity of the strain GRQ-2 on pathogenic fungi of 12 test plants (including tobacco, pepper and the like) is detected through a plate confrontation method, and the bacteriostasis rate ranges from 37.83% to 74.12%. In conclusion, the chaetomium cochliodes GRQ-2 disclosed by the invention has broad-spectrum disease resistance and strong environmental adaptability, and can be used for effectively preventing and treating the tobacco floating seedling root rot.

The invention relates to the technical field of biological medicines, and discloses a bacterial membrane vesicle entrapped with calcium phosphate nanoparticles and a preparation method of the bacterial membrane vesicle. The preparation method comprises the following steps: step 1, preparing calcium phosphate nanoparticles CaP; step 2, preparing bacterial membrane vesicles (BMVs); and step 3, encapsulating CaP by using the BMVs, respectively dissolving the BMVs and the CaP nano-particles in a buffer solution, mixing the BMVs and the CaP nano-particles into a solution according to a mass ratio, and carrying out ultrasonic treatment and centrifugation to obtain a CaP-encapsulated BMVs suspension. According to the bacterial membrane vesicle entrapped with the calcium phosphate nanoparticles and the preparation method of the bacterial membrane vesicle, efficient entrapment of CaP particles in BMVs is achieved; the biocompatibility and the biological safety of the BMVs are improved through CaP modification, and a core foundation is laid for clinical transformation of the BMVs; the prevention performance of the BMVs entrapped with the CaP is improved, the bottleneck of a BMVs natural membrane carrier in infection prevention is broken through, and a wide prospect is opened up for the field of bacterial infection prevention.