18 results about "Trichogramma" patented technology

The invention discloses an unmanned aerial vehicle for trichogramma putting, and relates to the technical field of biological control, the unmanned aerial vehicle comprises an unmanned aerial vehicle body, the front side of the unmanned aerial vehicle body is provided with an environment detector for monitoring the putting environment, and the lower part of the unmanned aerial vehicle body is fixedly connected with a putting box for placing trichogramma balls; and a feeding opening used for feeding trichogramma balls is formed in the upper portion of the feeding box. According to the unmanned aerial vehicle for trichogramma putting, after an electric telescopic rod is started, the output end of the electric telescopic rod drives a connecting plate to move up and down, the connecting plate drives an auxiliary rod to move synchronously through a supporting rod in the moving process, and the auxiliary rod pulls a sliding rod to transversely slide in a sliding groove of a fixing plate through a hinged rotating rod; the first knocking block intermittently knocks the inner wall of the throwing box, vibration generated by knocking can effectively shake off trichogramma balls possibly attached to the inner wall of the throwing box or clamped at corners, and smoothness of a throwing channel is guaranteed.

1. Name of the product in this design: Ball thrower (for agricultural drones). 2. Purpose of this design: Used in the field of plant protection, installed on agricultural drones, and used to release spherical objects such as Trichogramma bee balls. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The utility model provides a portable device for releasing noctuid black egg bees in a corn field, which comprises a release box and a vertically arranged support rod, a box cap is arranged above the release box, and the box cap is connected with the release box through a screw fixing port; one corner of the box cap is movably installed on the supporting rod and can move up and down along the connecting rod. According to the portable device for releasing the noctuid black egg bees in the corn field, the problems that when the noctuid black egg bees are released in a large scale in the field, the eclosion rate of the noctuid black egg bees is reduced due to the damage of rainfall, direct sunlight and other natural enemy organisms and the over-high field temperature are solved; secondly, the device can be repeatedly used for 5-10 years, so that the cost is reduced; in addition, the device is small in size, light in weight and convenient to carry, transport and store.

The invention discloses a method for synergistically preventing and controlling tomato leaf miners by trichogramma and ladybirds based on a specific population and adaptation training, and belongs to the field of biological prevention and control of agricultural pests. The method comprises the following steps: releasing a trichogramma group consisting of a trichogramma chilonis Jilin population, a trichogramma chilonis Guangzhou population and trichogramma brevituba in a greenhouse for planting tomatoes; a ladybird group composed of the coccinella septempunctata and the harmonia axyridis is released on the tomato plants; providing rhopalosiphum padi as an alternative prey of ladybirds in the greenhouse; before the ladybird group is released, the ladybird group is subjected to feeding domestication of tomato leaf miners, and after domestication, the ladybird group is subjected to starvation domestication. According to the method, the whole-course coverage of an egg-larva damage chain of the tomato leaf miner is realized. Meanwhile, by supplying alternative preys to maintain ladybird populations, the problems that the blank exists in single natural enemy prevention and control, the effect is unstable, and pests are prone to outbreak are solved, and the continuity and reliability of the prevention and control effect are remarkably improved.

The invention provides an artificial indoor breeding method for sclerodermus angularis, and relates to the field of insect breeding. The breeding method comprises the steps that 1, 3-4-year-old oriental fruit moth larvae are selected to serve as nutrient supply to be put into a glass tube, a sugar source and breeding bees are put into the glass tube, and the glass tube is put into an illumination incubator to be cultured for 6 d; (2) loading the pre-pupa of the grapholitha molesta into a new glass tube as a host, adding the previously cultured female adult bees, and culturing in a dark place for 7 days; (3) adding grapholitha molesta prepupae into a new glass tube, adding the female adult bees bred in the previous step to continuously lay eggs and parasitize until the female scleroderma guani dies, and collecting cocoons of the scleroderma guani as breeding bees; according to the method, artificial indoor breeding of the sclerodermus angularis is achieved for the first time, and an important tool is provided for biological control of grapholitha molesta populations.

This utility model discloses an artificial carrier conservation device for Trichogramma wasps in the field, relating to the field release and application technology of Trichogramma wasps. It includes: a base, a cage, a trapping unit, an oviposition medium, and a curtain. The cage is fixedly connected to the base, with mesh openings on its side walls and a top opening. The trapping unit includes a light-transmitting funnel and an insect-attracting lamp. The insect-attracting lamp is located inside the cage, and the light-transmitting funnel is connected to the top opening of the cage and extends into the cage to form a one-way channel for attracting lepidopteran insects into the cage. Multiple hanging positions are provided inside the cage, and the oviposition medium is detachably suspended at these positions so that lepidopteran insects entering the cage can lay their eggs on the medium. The curtain is installed on the side walls of the cage and can be opened or closed to allow light to be blocked from entering the cage. This utility model has a simple structure and is easy to use, creating suitable living and reproductive conditions for Trichogramma wasps and achieving long-term effective control of lepidopteran pests in the field.

The invention provides a microinjection method of scleroderma guani eggs. The method mainly comprises the following steps: firstly, inducing Scleroderma guani to lay eggs and collecting the Scleroderma guani; long-horned beetle larvae are provided for female scleroderma guani which is mated after eclosion, and eggs on the surfaces of the long-horned beetle larvae are collected after the female scleroderma guani spawns. Secondly, the collected scleroderma guani eggs are arranged on the edge of the cover glass, and the rear ends of the eggs are uniformly arranged in the direction where the injection needle is located; then, the injection needle is drawn, microinjection is conducted on the egg granules, and the injection position is the rear ends of the egg granules; and finally, transferring the injected egg granules to the surface of the frozen long-horned beetle larva for culturing. The method is reasonable and efficient in design, conforms to the egg growth characteristics of the scleroderma guani, and provides a brand new way for gene function research of the scleroderma guani.

The invention discloses a green prevention and control method for sugarcane borers, and relates to the technical field of crop disease and insect pest prevention and control. The green prevention and control method comprises the following steps: (1) thoroughly cleaning a garden in time after harvesting sugarcanes; (2) when newly planted sugarcanes are planted or ratoon sugarcanes are subjected to ridge breaking and stump loosening, biopesticide granules and decomposed farmyard manure are applied in planting ditches or nearby sugarcane stumps, and earthing and watering are carried out; the biopesticide granules are granules prepared by mixing a bacillus thuringiensis microbial inoculum and an auxiliary agent, and (3) interplanting spring soybeans among the sugarcane rows every year, continuously interplanting summer soybeans among the sugarcane rows after the spring soybeans are harvested, and applying pesticides to the soybeans and the sugarcanes in different areas during the planting period of the spring soybeans and the summer soybeans. According to the method, the bacillus thuringiensis fungicide, the auxiliaries and the decomposed farmyard manure are compounded for soil application, underground stem borers can be efficiently inhibited and killed, harm of sugarcane in the seedling stage is greatly reduced, meanwhile, the prevention and control effect of the natural enemy trichogramma can be exerted to the maximum extent through partitioned pesticide application, and the precise and efficient prevention and control effect is achieved.

The utility model belongs to the technical field of agricultural pest biological control equipment, especially relates to a trichogramma release device, including beehive, apron, side roof, honeycomb subassembly and radiator pipe. The side of beehive is provided with air hole. The honeycomb subassembly includes honeycomb board and radiating frame. The radiator pipe includes radiator pipe body and radiating hole. The trichogramma release device provided by the application can quickly and effectively dissipate the heat generated by trichogramma in the beehive, maintain the suitable temperature environment in the beehive, reduce the problem of shortening of the life of trichogramma caused by high temperature, improve the control effect and utilization rate of trichogramma, the design of air hole and air permeable mesh cover guarantees the circulation of air in the beehive, which not only helps heat dissipation, but also provides a good air environment for trichogramma, and is conducive to the survival and reproduction of trichogramma.

The present application relates to the technical field of biological control of forestry pests, in particular to a long-acting release method of trichogramma in the field, which solves the problems of short duration, low survival rate and frequent replenishment of the existing trichogramma release. The method uses chitosan and carrageenan as the base material, which is modified by silane coupling agent to form porous slow-release microspheres. The trichogramma eggs are mixed with bamboo flavone-based compound preservative and then loaded on the microspheres. The microspheres are loaded into a temperature and humidity responsive degradable release device. In the field, 60-75 release points per hectare are arranged in a chessboard pattern, and the dynamic replenishment by unmanned aerial vehicle is implemented in combination with sex pheromone monitoring. The present application realizes the long-acting release of trichogramma for 30-40 days, the survival rate is increased to more than 90%, the parasitic rate of pest eggs is stably maintained at more than 85%, the replenishment frequency is greatly reduced, the release is uniform and there is no dead angle, the carrier and device can be naturally degraded without residue, the operation is simple, and the present application is suitable for large-scale green control of forestry pests.

The invention relates to the technical field of agricultural and forestry biological prevention and control, in particular to a trichogramma gradient release method giving consideration to diffusion and retention, and solves the problems of uneven release, short retention time, low parasitic efficiency and the like of existing trichogramma. The method comprises the following steps: preparing three degradable gradient slow-release carriers with different slow-release speeds, dividing a control area into a center area, a transition area and a peripheral area, configuring a composite auxiliary retention system containing pest sex pheromones and a micro-humidity regulation and control module, accurately matching the carriers with the areas, releasing the carriers in 2-3 stages in the egg stage of pests according to the release amount of 5: 3: 2, and adopting an unmanned aerial vehicle to assist in releasing, the humidity and the attractant are continuously regulated and controlled after release. According to the method, ordered gradient diffusion of the trichogramma is achieved, the residence time of the trichogramma in a target area is prolonged to 5-7 days, the worm egg parasitism rate is greatly increased, and the carrier is degradable, free of residues, easy and convenient to operate, wide in applicability and suitable for green prevention and control of lepidoptera pests of various crops.

This application relates to an automatic delivery device and method for Trichogramma bee balls used in drones, aiming to solve the technical problems in the prior art where Trichogramma bee ball activity is reduced, delivery accuracy is insufficient, and uniformity is difficult to guarantee during drone delivery due to mechanical impact and airflow disturbance. The device includes a storage bin unit, a gravity conveying mechanism, a buffer release mechanism, a uniform dispersion mechanism, a variable delivery control unit, an environmental sensing unit, and a flight parameter optimization unit. The buffer release mechanism effectively avoids activity reduction or death caused by high-speed impact; the uniform dispersion mechanism uses a combination of centrifugal dispersion discs and airflow guidance channels to ensure that the Trichogramma bee balls are evenly distributed in the preset delivery area; the environmental sensing unit and the flight parameter optimization unit work together to monitor environmental parameters such as temperature, humidity, air pressure, and wind speed in real time, and dynamically optimize the combination of flight speed, altitude, and delivery rate parameters, enabling the device to adapt to complex and changing field operation conditions.

The application relates to the technical field of biological control and agricultural plant protection, and particularly relates to a release device applied to field management of trichogramma ball corn and an unmanned aerial vehicle system, which comprises a ball storage bin, a separation mechanism, a flexible conveying mechanism, a quantitative ball discharging mechanism, a flow guiding and accelerating mechanism and a release nozzle, a stirring anti-blocking structure is arranged in the ball storage bin to prevent ball clumping, the separation mechanism realizes uniform separation of the balls through a separation wheel and an arc-shaped tongue, the flexible conveying mechanism adopts a double conveying belt structure to stably convey the balls, the quantitative ball discharging mechanism accurately controls the release quantity through a driving wheel and a ball blocking piece, the flow guiding and accelerating mechanism adjusts the release direction and speed through adjustable guide vanes, and the release nozzle uniformly releases the balls to the field; the release device is fixed below the unmanned aerial vehicle through a mounting bracket and a damping connecting piece, and a flight control system controls synchronous work of flight and release. The application can realize accurate and quantitative release of trichogramma balls and controllable adjustment of the direction and speed, and improves the automation and intelligent level of biological control.

The utility model discloses a kind of trichogramma release device for corn ear stage pest control, it includes inside hollow release box, the middle part of release box is provided with the release passage of penetration, multiple placement cabins for placing trichogramma egg card are formed by spacing plate around release passage inside hollow release box, and placement cabin and release passage are communicated by through-hole;Different kinds of trichogramma egg card can be placed in the placement cabin of release box in the utility model, after trichogramma eclosion, fly out from release passage through through-hole, so that the eclosion of trichogramma is not influenced by external factors, so as to improve the eclosion rate and survival rate of trichogramma.

This invention discloses a method for altering the reproductive pattern of *Trichogramma pseudooligophthalmus*. The method includes treating *Trichogramma pseudooligophthalmus* that is fully engaged in parthenogenesis with a rifampicin-honey aqueous solution at a concentration of 0.1-0.5 mg / ml. After treatment, the *Trichogramma pseudooligophthalmus* is used to parasitize brown planthopper eggs to obtain male F1 generation *Trichogramma pseudooligophthalmus*. This invention provides a model for exploring the reproductive methods of *Wolbachia* in hymenoptera, lays the foundation for further exploration of the reproductive patterns of *Trichogramma pseudooligophthalmus*, and also provides a model for the removal of endosymbiotic bacteria in other arthropods.

The utility model discloses a portable crop disease and insect pest biological control dispenser, and belongs to the technical field of trichogramma ball dispensers. Comprising a quad-rotor unmanned aerial vehicle, each rotor of the quad-rotor unmanned aerial vehicle is fixedly sleeved with a protective cover, a placement box is mounted on the quad-rotor unmanned aerial vehicle in an assembled mode through a mounting frame, a large number of trichogramma balls can be easily placed in the placement box, the quad-rotor unmanned aerial vehicle flies to multiple areas along a farmland area, a remote control motor is started, and the trichogramma balls are placed in the placement box. Trichogramma serves as a biological natural enemy of diseases and insect pests such as borer, pests can be effectively killed, the efficient biological prevention and control effect on crop diseases and insect pests is achieved, the overall structural design is simple, assembly and disassembly are convenient, and the device is convenient to use and popularize. The problems that traditional manual carrying is difficult and the throwing efficiency is low are solved, and the phenomenon that the rotor wings damage crops due to the fact that the unmanned aerial vehicle accidentally falls into farmland is avoided.

The utility model discloses a kind of trichogramma parasitic egg field delivery's bee egg packaging medium's storage device, comprising: medium particle, storage cylinder and cylinder cover;Trichogramma parasitic egg is attached to the surface of medium particle;The inside of storage cylinder is provided with placing net, and the medium particle with trichogramma parasitic egg attached is placed on placing net;Buffer layer is provided on the lateral wall of storage cylinder;Cylinder cover is hinged to the top of storage cylinder, and cylinder cover is grid-shaped.The bee egg packaging medium in the utility model can be suitable for agricultural granule spreader, and storage device is convenient for storing trichogramma parasitic egg.