23 results about "Insect disease" patented technology

The invention provides a plant insect disease image identification method and system based on deep learning, and belongs to the technical field of deep learning, and the method comprises the steps: firstly obtaining a multi-source image set of a plurality of growth stages of a plant, including the whole, leaf and stem images of the plant, the growth stage time, and the shooting angle identification information; constructing a plant image time sequence association network to perform organ-level time sequence alignment processing to obtain an aligned image set and an organ association coefficient, performing cross-growth-stage focus feature association through the association coefficient to obtain a cross-stage focus association set and time sequence evolution information, and performing cross-growth-stage focus feature association; and inputting the association set into an exclusive deep learning model for feature aggregation and type matching to obtain a preliminary result, and finally performing organ adaptation verification on the preliminary result in combination with time sequence evolution information to generate a final identification result and a focus organ time sequence evolution atlas, thereby improving the accuracy and reliability of plant insect disease identification.

The present invention relates to microencapsulated preparations comprising biopesticide, bio-fungicide, and plant growth promoting agents and uses thereof, as well as to methods for controlling pests and for producing said preparations for managing insect pests. In particular, the invention relates to microencapsulated preparations comprising at least one insect-pathogenic (entomopathogenic) fungus selected from Metarhizium spp. and Beauveria bassiana, and at least one pathogenic Bacillus spp. bacterial strain, preparations and particles comprising these, their use on plant material, methods for controlling pests therewith, and processes for their production.

Provided herein is a composition comprising a Pickering emulsion comprising a plurality of core-shell particles encapsulating an entomopathogenic organism. Furthermore, a method for controlling a pest on or within a plant or at the area under cultivation is provided.

Novel strains of the insect-pathogenic fungus, Metarhizium var. anisopliae fungal strain BNL 101 deposited in the CABI UK Centre, United Kingdom, having IMI CC Number 506833; or BNL 102 deposited in the CABI UK Centre, United Kingdom, having IMI CC Number 506834; or a culture having the identifying characteristics thereof, are disclosed. The present invention also discloses methods of using the fungal strains, and spores obtained therefrom, to control insects, and provides a natural pest control preparation. The preparations and compositions comprise several unique and desirable features, such as a wide host range or alternatively a selective host range, and a consistent pathogenicity. The preparations and compositions have a high virulence (insecticidal activity), that is 2 times to 3 times, or greater, mor virulent (insecticidal) than compositions or preparations that do not contain the preparation or composition, and especially that do not contain the BNL 101 or BNL 102 fungal strain, or spores therefrom. The fungal strains also provide for a high spore yield in production, and possess a high stability in the field.

The invention discloses an insecticidal composition containing entomopathogenic virus and jasmonic acid methyl ester or jasmonic acid, and relates to the technical field of biological insecticide, the active ingredients of the insecticidal composition are entomopathogenic virus and jasmonic acid methyl ester or jasmonic acid, and the entomopathogenic virus is nuclear polyhedrosis virus of baculoviridae. The weight ratio of the virus to the jasmonic acid methyl ester or jasmonic acid is 1: (0.5-1000), and the insecticidal composition can be prepared into dosage forms such as a suspending agent, water dispersible granules, wettable powder and the like. The invention also provides a method for preventing and treating lepidoptera pests, which comprises the step of applying the entomopathogenic virus and methyl jasmonate or jasmonic acid to target pests or a living environment of the target pests in a combined manner, and the combined application is simultaneous application or successive interval application. The insecticidal composition has a synergistic effect on lepidoptera pests such as cotton bollworms and beet armyworms, can obviously reduce the food intake, accelerate the death of pests and improve the field control effect, and has a wide application prospect.

The application discloses an insect pathogenic preparation for preventing and treating Cylas formicarius, a preparation method and application thereof, and belongs to the field of agricultural technology. The insect pathogenic preparation for preventing and treating Cylas formicarius comprises a corpse compound agent of an insect pathogenic nematode and a sweet potato root protection agent. The corpse compound agent of the insect pathogenic nematode comprises an insect pathogenic nematode corpse agent, an artificial feed of Cylas formicarius, a polyphenol oxidase inhibitor and trehalose (alpha,alpha) dry powder, and the mass ratio is 1-3:6-8:0.25-0.35:0.6-0.8. Each 1L of the sweet potato root protection agent contains 0.03-0.05g of a biocontrol bacterium agent, 3-5g of a Cylas formicarius repellent and 90-110ml of a bonding agent, and the volume is supplemented with water. The application further discloses a preparation method of the insect pathogenic preparation and application thereof in preventing and treating Cylas formicarius. The insect pathogenic preparation can prevent and treat Cylas formicarius through multiple actions, and has a good prevention and treatment effect on adult and larva of Cylas formicarius.

The invention relates to the technical field of asparagus lettuce cultivation, in particular to an asparagus lettuce high-yield cultivation method which comprises the following steps of seedbed preparation, seed treatment, seedling management, field planting, field management and harvesting. In the seedling raising seedbed preparation period, peat of vermiculite is added into an added fertilizer, the air permeability, the water-retaining property and the emergence rate of seeds can be improved, the fresh weight of seedlings can be improved, trichoderma harzianum powder and brown sugar water are added in the seed treatment process, the seeds can be wrapped by flora through trichoderma harzianum, the seeds can be wrapped by the flora through trichoderma harzianum, and the seedling raising effect is improved. The ammonia water fertilizer added in the seedling stage management period can enable the asparagus lettuce to stably grow and prevent the root from being burnt out due to excessive growth, stem cracking can be prevented, the toughness of the epidermis can be improved, the insect disease disaster of the asparagus lettuce can be reduced, and the yield value per mu of the asparagus lettuce can be increased.

The invention discloses an insect disease prevention and control tree trunk punching and pesticide injection tool, and belongs to the technical field of insect disease prevention and control. The device comprises a body and a fixing block, the fixing block is rotationally connected with a fixing pipe in a penetrating mode, the fixing pipe is rotationally connected with a conveying hose, the conveying hose is rotationally connected with the body, the fixing pipe is provided with a plurality of medicine injection holes, the fixing block is provided with a clamping assembly, and the fixing pipe is rotationally connected with a fixing rod. The fixing rod is fixedly connected with a threaded drill bit, the fixing pipe is provided with a control assembly, the control assembly comprises a threaded cylinder slidably connected to the outer portion of the fixing pipe in a sleeving mode, and the threaded cylinder is in threaded connection with a control panel. When punching and medicine injection operation needs to be carried out, after the whole device is moved to a proper punching position, a motor is started, punching is started, after punching operation is completed, medicine injection operation can be automatically carried out, a threaded drill bit does not need to be moved, the whole work is automatically carried out, and the working efficiency is high.

The invention provides application of beauveria bassiana HFBb18 in preparation of a green peach aphid biological control entomopathogenic fungus agent, and belongs to the technical field of agricultural biology. The inventor acquires and identifies three new strains of beauveria bassiana from the field, then selects three strains of beauveria bassiana preserved in a laboratory, and finds that the newly found HFBb18 strain has high toxicity to green peach aphids through indoor toxicity determination. On the basis, the influence of infection of the HFBb18 strain on the activities of detoxifying enzyme and protecting enzyme of green peach aphid is determined. Furthermore, the wettable powder taking the HFBb18 strain conidia as a main active ingredient is prepared, the potting pesticide effect test control effect of the wettable powder on green peach aphids is defined, and a foundation is laid for development and application of a novel fungal aphid killing agent.

The utility model discloses an insect trapping device for preventing insect diseases and insect pests for tea planting, which belongs to the technical field of tea planting and is characterized by comprising an insect trapping box, an insect killing mechanism is fixedly connected to the top of the insect trapping box, a control mechanism is fixedly connected to the inner side of the insect trapping box, and a collecting box is slidably connected to the bottom of the inner side of the insect trapping box. The pest killing mechanism is provided with an ultraviolet light trap lamp and a blue light trap lamp, light with different wavelengths can attract various pests with different habits and preferences of different spectrums, the pest trapping range is expanded, attraction to various pests in a tea garden is increased, accordingly, the number of the pests is more effectively reduced, it is guaranteed that tea planting is prevented from being invaded and disturbed by the pests, and the tea planting quality is improved. The control mechanism monitors the humidity condition in the insect trapping box in real time, when the humidity exceeds a suitable range, the ventilation exhaust fan is controlled to work, internal and external exchange of air is achieved through the ventilation holes formed in the two sides of the rear side of the insect trapping box, the humidity in the box is adjusted, and the humidity in the box is kept at the level beneficial to insect trapping and normal operation of equipment.

By the present invention it has now been found that certain mixtures of 4-(trifluoromethylnicotinamide) and active compound compositions comprising such mixtures are suitable for controlling nuisance insects, disease-carrying insects or hematophagous (blood-feeding) insects, parasites including diptera, triatomine mosquitoes and parasitic insects of the genus kimicidus by expression suppression or by inhibition of blood feeding. In one embodiment, the diptera parasites are selected from flies, gnats and mosquitoes, including insecticide-resistant flies, gnats and mosquitoes, as well as flies, gnats and mosquitoes carrying pathogenic disease. The target parasitic insects of the genus kimicid are selected from bed mites. The target parasites of the genus kimicid are selected from kissing mites. Other aspects of the present invention will also be apparent from the detailed description that follows.

The invention discloses a praziquantel derivative PT-28 as well as a preparation method and application thereof. According to the praziquantel derivative PT-28, a thymol precursor and amino-praziquantel react to generate the derivative. The praziquantel derivative PT-28 can be used as a drug for resisting third-generation insect diseases, and compared with the national standard anti-parasitic drug praziquantel, the safety index-therapeutic index (TI value) of the drug is improved by 8.89 times. The compound has the characteristics of being safe to fishes, low in toxicity and good in killing effect on third-generation insects, and has wide application prospects in development of novel insect-resistant fishery drugs.

The present disclosure relates to insect pest control. Particularly, the present disclosure relates to a method of controlling insect pests with an entomopathogenic fungus. More particularly, the present disclosure relates to a method of controlling insect pests with strains of Beauveria bassiana or their spores. Also provided herein, is the composition comprising said strains of Beauveria bassiana or their spores and use of said composition for controlling or preventing insect pests.

The present invention provides stable, non-aqueous biopesticides. The present invention relates to biopestic formulations of entomopathogenic fungi or their spores. In particular, the present invention discloses oil dispersions containing entomopathogenic fungi or their spores, especially Beauveria bassiana. The present invention also relates to methods for preparing the formulations and their use.

The present invention is related in general, to the field of biotechnology, especially to the use of genetic engineering in the development of entomopathogenic fungus with desirable traits to increase efficiency in the biocontrol of nematode and arthropod pests, such as insects and mites, with wide application in agriculture as an environmental friendly alternative to the use of chemical pesticides, therefore contributing to sustainable agriculture by reducing reliance on said chemical pesticides. The present invention teaches that, surprisingly, a genetic modification of a transcription factor-encoding gene, preferably Bbsmr1 or a functional homologue thereof, allowed increases virulence against pests. The invention also provides a method of controlling a pest, a seed treated with said genetically engineered fungi as well as a plant germinated therefrom.

The application discloses an insect releasing device for biological control, which comprises an insect storage bin, a pathogen attaching device and an insect releasing bin. The insect storage bin is used for storing insects. The pathogen attaching device comprises a pathogen attaching bin and a pathogen storage bin. The pathogen attaching bin is connected with the insect storage bin, so that the insects in the insect storage bin enter the pathogen attaching bin. The pathogen storage bin is communicated with the pathogen attaching bin and is used for providing pathogen bodies for the pathogen attaching bin. The insect releasing bin is connected with the pathogen attaching bin and is used for releasing the insects with the pathogen bodies attached in the pathogen attaching bin. The pathogen in the pathogen storage bin enters the pathogen attaching bin and is attached to the insects entering the pathogen attaching bin. The insects carrying the pathogen are released through the insect releasing bin to perform biological control. The step of artificially spraying the pathogen can be omitted, and the effect of biological control can be improved.

The invention provides an insect condition forecasting remote management platform based on the Internet of Things, and relates to the technical field of insect disease recognition, and the method comprises the steps: 1, carrying out the preprocessing of an obtained original image of a crop, obtaining a standardized image, inputting the standardized image into a pre-trained lightweight convolutional neural network, and carrying out the feature extraction, and obtaining a multi-scale feature map; 2, regarding the feature vector of each spatial position in the multi-scale feature map as a feature point to obtain a feature point set, projecting the feature point set to a virtual feature plane, constructing a regular geometric structure covering the distribution of all feature points, and dividing the regular geometric structure into a plurality of sub-regions; according to the invention, through multi-scale feature extraction, spatial structure analysis and weight modulation, corn disease and pest identification accuracy is improved, remote transmission and management of pest situation forecasting information are realized in combination with an Internet of Things platform, and the problems of insufficient utilization of disease and pest spatial information and low management efficiency are effectively solved.

The utility model relates to the technical field of gas collection, in particular to a collection device for volatile gas of entomopathogenic fungi. Comprising a box body, a top cover, an adsorption pipe, a moving plate, an automatic push rod, a straight pipe and a bolt, the adsorption pipe is detachably arranged on the top cover, the adsorption pipe is filled with an adsorbent used for adsorbing volatile gas released by entomopathogenic fungi, the straight pipe is arranged on the adsorption pipe and communicated with the adsorption pipe, and a connecting block is movably arranged on the moving plate; the automatic push rod is fixedly arranged at the bottom of the sliding groove, the connecting block is arranged in the sliding groove in a sliding mode, the top end of the automatic push rod is fixedly connected with the connecting block, and the height of the connecting block can be adjusted by starting the automatic push rod, so that the height of the top cover is adjusted, and box bodies with different heights can be conveniently used. Meanwhile, the movable plate is connected with the adsorption pipe, so that the device is more stable, and the problem of poor adsorption effect caused by untight top cover due to shaking during gas adsorption is solved.

The invention discloses a composition for enhancing toxicity of entomopathogenic fungi to pests as well as a preparation method and application of the composition, and belongs to the technical field of biological control. The specific implementation way is as follows: suspending the entomopathogenic fungi in a mannan solution to obtain a spore suspension, wherein a surfactant can also be added into the spore suspension; the spore suspension is then applied to the pests. The invention also provides a synergistic composition containing mannan, a surfactant can be added into the composition, the composition provided by the invention can be used for remarkably enhancing the fungal toxicity, accelerating the lethal speed of pests and reducing the use dosage, and a new way is provided for developing efficient, specific and environment-friendly biological insecticides.

The present application relates to the field of microbial technology, in particular to a virus BbrVV1 from entomogenous fungi which can be transmitted across species and used for preventing and controlling plant pathogenic fungi. The present application provides a new Victoria virus isolated from Beauveria bassiana, an important entomogenous fungi and biocontrol fungi, and named as BbrVV1. The virus can significantly inhibit the growth rate of the strain, change the morphology of the colony, reduce the spore production of the strain and the virulence of the host strain to Asian corn borer after infecting the strain of Beauveria bassiana. However, the virus can improve the antagonistic ability of the host strain of Beauveria bassiana to Sclerotinia sclerotiorum and Asian Fusarium. In addition, the virus can be transmitted across species to Sclerotinia sclerotiorum and Asian Fusarium and can be transmitted within the species of Sclerotinia sclerotiorum and Asian Fusarium. Most importantly, the virus can significantly reduce the pathogenicity of Sclerotinia sclerotiorum and Asian Fusarium. Therefore, the present application provides a new strategy for the biological control of Sclerotinia sclerotiorum and Asian Fusarium.

The present application relates to the field of microbial technology, in particular to a virus BbrVV1 from entomogenous fungi which can be transmitted across species and used for preventing and controlling plant pathogenic fungi. The present application provides a new Victoria virus isolated from Beauveria bassiana, an important entomogenous fungi and biocontrol fungi, and named as BbrVV1. The virus can significantly inhibit the growth rate of the strain, change the morphology of the colony, reduce the spore production of the strain and the virulence of the host strain to Asian corn borer after infecting the strain of Beauveria bassiana. However, the virus can improve the antagonistic ability of the host strain of Beauveria bassiana to Sclerotinia sclerotiorum and Asian Fusarium. In addition, the virus can be transmitted across species to Sclerotinia sclerotiorum and Asian Fusarium and can be transmitted within the species of Sclerotinia sclerotiorum and Asian Fusarium. Most importantly, the virus can significantly reduce the pathogenicity of Sclerotinia sclerotiorum and Asian Fusarium. Therefore, the present application provides a new strategy for the biological control of Sclerotinia sclerotiorum and Asian Fusarium.

The application belongs to the technical field of microbial culture, and particularly relates to a bacillus cereus B5 and application thereof. The bacillus cereus B5 is isolated from an alpine environment of Qinghai-Tibet Plateau, and the preservation number is GDMCC No: 65417. The strain and secreted metabolites thereof can improve the mycelium formation rate of biocontrol fungi and insect resource fungi, and accelerate the formation process of conidia. Indoor detection is conducted on the influence of B5 on the growth of insect pathogenic fungi and the efficiency of killing host insects, and the results show that B5 can improve the mycelium formation rate of the tested strains, and simultaneously accelerate the growth rate of conidia, thereby providing technical support for fungal insecticides and artificial cultivation of fungal resource industry.