47results about How to "Prevent spawning" patented technology

The invention discloses a method for preserving myrica rubra, and relates to the field of myrica rubra processing. The method for preserving the myrica rubra includes steps of harvesting pre-treatment, harvesting and screening, sterilizing, coating and packaging. The method has the advantages that the prior art is modified, processes for spraying compound insect repellents before fruits are picked are combined with enzyme sterilization treatment and coating treatment, accordingly, germs and worm eggs on the surfaces of myrica rubra fruits can be effectively killed, and the preservation time can be prolonged; the method is safe and non-toxic, and the quality of the myrica rubra can be guaranteed; the cold storage and preservation periods are 12-15 days if the method is applied, the normal-temperature shelf lives are 6-8 days, and the preserved fruits have natural colors.

The invention relates to an organic fertilizer with an effect of preventing and controlling pests in soil and a preparation method for the organic fertilizer, and belongs to the field of fertilizers. The organic fertilizer with the effect of preventing and controlling the pests in the soil consists of the following components in percentage by weight: 90 to 95 percent of organic matter fermentation mixed powder and 5 to 10 percent of silafluofen mixed powder, wherein the organic matter fermentation mixed powder contains 30 to 40 percent of humic acid coal sun-dried material, 30 to 35 percent of crop straw sun-dried material and 30 to 35 percent of tobacco scrap sun-dried material; and the silafluofen mixed powder contains 70 to 80 percent of diatomite mineral aggregate, 10 to 15 percent ofpyrethrum complete stool material and 10 to 15 percent of lightyellow sophora root complete stool material. By the organic fertilizer, the using amount of inorganic fertilizers can be reduced to a great extent; and simultaneously, pest damages to the soil can be effectively prevented and controlled, so that high and stable yield is realized, the quality of agricultural products is improved, pesticide residues are eliminated, and the environment is protected.

The invention discloses a reagent for preventing and treating root maggots, which comprises the following components in parts by weight: 2-4 parts of dimethoate powder, 8-10 parts of kuh-seng powder, 1-3 parts of 2.5% trichlorfon powder, 2-4 parts of chlorothalonil powder, 1-3 parts of garlic powder, 1-3 parts of bamboo leaf powder and 1-2 parts of chili powder. The reagent is simple in proportioning and convenient to use, and can effectively kill root maggots. When in use, when the celery cabbage grows to 2-3 true leaves, the powder is sprayed in the field to prevent seed corn maggots from entering the field and laying eggs.

The invention provides an anti-mosquito fish tank, which comprises a fish tank and a tank seat, wherein the fish tank is provided with an anti-mosquito oxygenation device, the anti-mosquito oxygenation device comprises a water curtain pump, a water curtain spray head, a small swinging boat and a controller, an output opening of the water curtain pump is connected with the water curtain spray head through a connecting pipe, a water inlet opening of the water curtain pump is positioned in water of the fish tank, the water curtain spray head is positioned besides the fish tank, and the small swinging boat is positioned on the water surface of the fish tank and is provided with a traction rope to be fixedly connected with the fish tank. The water surface of the fish tank is separated from the outside by the water curtain, the egg laying by mosquitoes on the water surface of the fish tank is prevented, meanwhile, the impact force generated when the water curtain falls down is used for impacting the small swinging boat, the water surface of the fish tank swings through the swinging of the small swinging boat, the egg laying by the mosquitoes on the water surface of the fish tank is prevented, and the mosquito breeding in the fish tank is prevented.

The invention discloses a bemisia tabaci oviposition repellent, which has a functional component of DMNT, and can be prepared into an aqueous solution of DMNT for use, preferably 0.1 ng/[mu]L and 0.5ng/[mu]L of DMNT solutions. The bemisia tabaci oviposition repellent provided by the invention has the advantages that the components are stable, the preparation method is simple, the obvious repelling effect on bemisia tabaci oviposition is realized, and the bemisia tabaci oviposition repellent is expected to be used for preventing and treating bemisia tabaci. The repellent can prevent harm of bemisia tabaci, the compound is an industrial raw material, the preparation method is simple, the price is low, the repellent is safe to people and livestock and does not pollute the environment, and therefore the repellent has wide application prospects.

The invention discloses a longhorn beetle control method applicable to disease and pest control of fruit trees. The longhorn beetle control method is characterized by comprising the following steps: S1, white coating: fully and uniformly mixing 3-7 parts of lime, 1-2 parts of sulfur powder, 0-1 part of table salt and 10-20 parts of water in autumn and winter before adults lay eggs, and then, coating trunk bases (for 1-2 m) with the mixture. According to the longhorn beetle control method applicable to disease and pest control of fruit trees, the lime, the sulfur powder, the table salt and thewater are fully and uniformly mixed, then, the trunk bases are coated with the mixture, egg laying is prevented, gaps are filled by coating, so that both insects and diseases are controlled, and meanwhile, the effects of cold prevention and sunburn prevention can be achieved; in a larva damage period, a small sprayer is used to inject dichlorvos into pest holes via pest paths, then, the pest holesare plugged by slime or plastic bags, or prepared poisonous sticks are inserted into the pest paths; and in an adult occurrence period, for concentrated large-area damaged forests, trichlorfon is sprayed to trunks to kill adults, so that the effective period is long, the operation is convenient, and the control effect is good.

The invention discloses a heat dissipation type wide-angle LED light-emitting tube and a using method thereof, and particularly relates to the technical field of LED light-emitting tubes, the heat dissipation type wide-angle LED light-emitting tube comprises a mounting cover, an LED light-emitting tube is clamped in the mounting cover, the upper surface of the mounting cover is in lap joint with the lower surface of a sealing cover, and the upper surface of the sealing cover is in lap joint with the lower surface of the sealing cover. The left side face and the right side face of the sealing cover are fixedly connected with one ends of the opposite faces of two rotating devices correspondingly, and the outer surfaces of the rotating devices are fixedly connected with the front face of the mounting cover. By arranging the driving device, the sealing cover, the mounting cover, the LED light-emitting tube, the triggering device and the triggering block, the driving device can adjust the position of the sealing cover in time and trigger the fan to operate during starting, the air flow rate on the surface of the LED light-emitting tube is increased, the situation that a light source of the LED light-emitting tube is shielded in the using process is avoided, and the service life of the LED light-emitting tube is prolonged. The illumination effect of the LED light-emitting tube is guaranteed, meanwhile, the temperature generated when the LED light-emitting tube is used is effectively reduced, and the situation that the LED light-emitting tube is damaged due to the fact that the temperature is too high is avoided.

The invention discloses a pest repellent containing methyl myristate and a preparation and use method thereof. The pest repellent comprises methyl myristate, and a solvent such as ethanol, sodium dodecyl benzene sulfonate and other auxiliary components can also be added. The repellent has a significant repelling effect on pests such as beet armyworm. Moreover, the main component of the repellent is a plant secondary metabolite, so that the repellent is degradable in nature; the repellent is a pollution-free pest repellent and has broad application prospects.

The invention relates to a method for removing and treating overwintering aphids of Huangshan koelreuteria paniculata. The method comprises the following steps that step 1, ecological prevention and treatment is carried out; step 2, physical prevention and treatment is carried out; step 3, biological prevention and treatment is carried out, in April, the ladybird phagostimulant is hung at the position, 3-5 cm higher than an acting target, in the aphid group, the interval between every two ladybird phagostimulant is 10 cm, and meanwhile, the seed ladle is released in the aphid group; and step 4, chemical prevention and treatment is carried out, specifically, the overwintering aphids are comprehensively prevented and treated through ecological, physical, biological and chemical prevention and treatment means, ecological prevention and treatment are carried out firstly, biological compound fertilizer is applied, and the special compound formula provides nutrition needed by planting of Huangshan koelreuteria paniculata on the one hand and can form a biological prevention and treatment and soil-borne disease mechanism on the other hand. According to the method, the use frequency of chemicals is greatly reduced, the environment is protected, and aphids are prevented from generating drug resistance due to excessive spraying frequency.

The invention discloses a pest repellent containing methyl palmitate and preparation and use methods thereof. The pest repellent contains methyl palmitate, and ethyl alcohol and other solvents and sodium dodecyl benzene sulfonate and other auxiliary ingredients can be added. The repellent has an obvious repelling effect on pests such as beet armyworms. The main ingredient of the repellent is plantsecondary metabolites capable of being degraded in nature, and the pest repellent is free of public hazards, and has wide application prospects.

The invention relates to a method for inducing oviposition and spermiation of bivalve mollusks, and belongs to the field of aquaculture. The method for inducing oviposition and spermiation of the bivalve mollusks comprises the following specific steps of preparing 5-hydroxytryptamine with the concentration of 2mM by using filtered seawater; adding pure filtered seawater into a container in advance and increasing the temperature by 3-8 DEG C compared with the normal culture temperature for later use; selecting parent mollusks with mature gonads, cleaning, putting into a disc-shaped container, and adding the filtered seawater which is half of the width of the parent mollusks until the mollusks are opened; injecting the prepared 5-hydroxytryptamine solution into the gonads of the parent mollusks, and then putting the parent mollusks into the prepared container to wait for oviposition and spermiation. Within 30 minutes, the oviposition and spermiation rate of the parent mollusks is 75% or above; compared with a traditional method, the method for inducing oviposition and spermiation of the bivalve mollusks is not limited by time, and cross infection between families can be completely eradicated; meanwhile, spermiation and oviposition are consistent in step and short in duration time, and manual continuous attention to oviposition and spermiation is avoided.

The invention discloses a method of using a maggot pesticide. The method of using the maggot pesticide comprises the following steps that (1) seed pits are dug on a celery cabbage bed, the pesticide with the weight of 15-20g is scattered in each seed pit to serve as base fertilizer, 2-3 seeds are sowed in each seed pit, the seeds are covered with soil layers, and compaction is carried out; (2) furrows are ploughed at the periphery of the celery cabbage bed, the depth of each furrow ranges from 30cm to 40cm, and the pesticide with the weight of 1kg is scattered into the furrow per meter so that maggot prevention protection furrows can be formed, wherein the maggot pesticide comprises dimethoate powder, sophora flavescens powder, 2.5% dipterex powder, chlorothalonil powder, garlic powder, bamboo leaf powder and red chilli powder. According to the method of using the maggot pesticide, matching is easy, use is convenient, and maggots can be effectively killed.

The invention discloses an insect-proof garbage can convenient to deliver used outdoors, and belongs to the technical field of garbage cans. The insect-proof garbage can comprises a garbage can body,a top cover, a side door and a supporting base. The bottom end of the garbage can body is fixedly connected with the supporting base, a delivery frame is of a cylindrical structure with the through side wall, a delivery opening is formed in the delivery frame, one end of a rotary rod penetrates through the side wall of the delivery frame and is connected with a drive motor, water guide grooves corresponding to cross plates are evenly formed in a water guide rod, one end of an inclined plate stretches to the delivery frame and is located below the side edge of an inner cavity of the garbage canbody, and the other end of the inclined plate penetrates through the side wall of the garbage can body and stretches into an insect expelling box fixed to the side wall of the garbage can body through a screw. The insect-proof garbage has the beneficial effects of being convenient to deliver and insect-proof, the environment around the garbage can is kept tidy, the city appearance feature is improved, and the use effect is good.

The invention discloses a method for preventing and killing pests of longhorn beetle. The method is characterized by comprising the following steps that small cotton swabs which are dipped in omethoate are inserted into wormy places on a fruit tree; then an emulsion is prepared from fluorescent powder, quick lime and water according to a proportion of 1:(45-80):(200-300); and the emulsion is uniformly coated on a tree trunk and a bare root on the ground surface, and the places with the cotton swab are coated with the emulsion. The wormy places of the fruit tree are inserted by the small cottonswabs which are dipped in the omethoate, so that the pests of longhorn beetle can be killed; then the emulsion is prepared according to a certain proportion, so that white light reflection of the quick lime in the day time is utilized to prevent adult longhorn beetles from oviposition and parasitism, and at the same time, the theory that the fluorescent powder can absorb light energy during the daytime and emit light at night is utilized to prevent the adult longhorn beetles from oviposition and parasitism at night; and in addition, the emulsion provides alkaline environment, and thus has a good prevention effect on other pests and diseases.