64results about How to "To achieve the purpose of pest control" patented technology

The invention relates to a water-soluble triazole antiseptic anti-discoloration insect repellent composite for timber and bamboo wood as well as a preparation method and application thereof. Based on the total weight of the composite, the composite comprises the following components in percentage by weight: 3-8% of triazole compound, 24-48% of organic solvent, 24-40% of cosolvent, 3-10% of N-(2-benzimidazolyl)-methyl carbamate hydrochloride, 0-10% of prochloraz, 0.1-0.8% of esbiothrin insecticide and the balance of water, wherein the triazole compound is propiconazole, tebuconazole, cyproconazole or any combination of propiconazole, tebuconazole and cyproconazole. The composite can be used for processing timber and bamboo wood or timber and bamboo wood products indoor and outdoor. In the processing method, a vacuum pressurization or normal-pressure dipping method are used so that the processed timber and bamboo wood or timber and bamboo wood products have the antiseptic, anti-fungus discoloration and mothproof properties.

The invention discloses an intelligent electric cooker system capable of automatically cooking. The system comprises an electric cooker terminal and a monitoring terminal. The electric cooker terminal comprises a rice bin, an accommodation box and an electric cooker, and the accommodation box is arranged below the rice bin. The accommodation box is the rectangular box provided with an opening at the upper end, and is divided into a first tank and a second tank through a separator plate. The electric cooker is disposed inside the first tank. The rice bin is cuboid-shaped. A rice feeding mechanism communicated with the electric cooker is arranged at the portion, corresponding to the electric cooker, of the bottom surface of the rice bin. The housing of the rice bin is internally provided with a thermal insulation layer. The rice bin also comprises a temperature sensor, a cooling device and a heating device. The electric cooker terminal also comprises a first control module and a touch control panel, and the touch control panel is arranged on the outer side wall of the first tank. According to the invention, the electric cooker can be remotely controlled to automatically cook, the temperature of the interior of the rice bin arranged above the electric cooker can keep constant, the storage for rice is facilitated, and the intelligent degree of the electric cooker is improved.

The invention discloses an insect-preventive drying system for a barn, which is used in the field of barn drying devices and comprises a cylindrical barn body, an arched barn top and an air compressor. The barn top is provided with a vent hole, an output end of the air compressor is connected with a nitrogen-oxygen separation device for separating oxygen and nitrogen, the separation device is provided with a nitrogen outlet and an oxygen outlet, the nitrogen outlet is connected with a vent duct at the bottom of the barn, and a seal valve is arranged between the nitrogen outlet and the vent duct. The problem that existing drying devices cannot kill insects is solved, and fodder and materials can be well preserved. The insect-preventive drying system is applicable to storage of feed in barns.

The invention relates to the technical field of crop planting, in particular to a planting method of sweet potatoes. The method comprises the steps of adding 25-40 kg of lime powder in per mu of cultivated land and conducting deep-ploughing treatment on the cultivated land, thickening soil layers to form pieces of ridges, planting two rows of sweet potato seedlings on each ridge in a mutually staggering mode, and scientifically fertilizing fertilizer. According to the planting method of the sweet potatoes, by adding the lime powder into the cultivated land, and using a rake to conduct the deep-ploughing treatment on the cultivated land, the lime powder is effectively and sufficiently mixed with soil, and thus the purpose of preventing insect damage is achieved; on each single ridge, two adjacent rows of sweet potatoes are planted in a staggering mode, thus it is guaranteed that nutrients in a field are sufficiently absorbed, and the situation that sweet potato seedlings which are planted side by side are mutually interfered and influenced is avoided. According to the planting method of the sweet potatoes, the sweet potatoes are high in yield, developed in root system, and high in fertilizer adsorbing capacity, the insect damage is effectively prevented, root promoting and seedling protection are achieved, the sweet potato seedlings are bright in leaf, the harvested sweet potatoes are excellent in overall quality, and high in yield, and thus the planting method of the sweet potatoes is suitable for agricultural popularization.

The invention discloses a spreading oil insecticidal composition containing chlorpyrifos and buprofezin. The insecticidal composition is prepared from a mixture of chlorpyrifos and buprofezin, emulsifier, solvent, nonionic surfactant, cosolvent and water dispersing agent. A preparation method for the insecticidal composition comprises the following steps of: mixing the chlorpyrifos and the buprofezin in the emulsifier, heating to be at the temperature of between 20 and 80 DEG C, preserving heat, adding the solvent, the nonionic surfactant, the cosolvent and the water dispersing agent under a stirring condition, fully mixing uniformly, and standing, so as to obtain an spreading oil agent. When the composition is used, water or soil is not required, any plant protection instrument is not required, and pesticide liquid is directly dropped into a paddy field, can be quickly and uniformly dispersed in the whole field to form a pesticide film layer and upwards climbs for 20 centimeters from the base of rice stems, so that an aim of preventing and controlling pests is fulfilled; and the composition has the characteristics of high efficiency, long-acting effect, low toxicity, safety, convenience for use, reduction of labor and cost and the like.

The invention discloses a decoction dreg insect-resist agent, which consists of the following decoction dregs in percentage by mass: 15 to 80 percent of asparagus fern, 10 to 70 percent of radix stephaniae tetrandrae, and 10 to 60 percent of dried radix rehmanniae. The decoction dreg insect-resist agent can be used for inhibiting bacteria growth and multiplication without extracting effective components of the decoction dregs, and has the function of resisting insects.

The invention discloses a bioreactor technology for improving crops which is realized through the following steps: weighing all the components in parts by weight, namely, 20-50 parts of base stock, 10-20 parts of animal waste with the water content of 20-40 wt%, and 0.5-0.8 part of a microorganism leavening agent; fully mixing the materials, obtaining pre-fermented material after hot fermentation; under a planting ridge before crop planting or after planting, turning surface soil layer on the outer side of the crop to form a concave structure; paving 10-20 parts of base stock subjected to high temperature sterilization on the concave structure; scattering 0.05-0.12 part of microbial agent at the upper part of the base stock; scattering 5-10 parts of animal waste subjected to high temperature sterilization on the upper layer of the microbial agent; scattering 0.05-0.12 part of microorganism vaccines on the animal waste; scattering the pre-fermented material on the microorganism vaccines; finally covering the pre-fermented material with the turned over surface soil; watering the surface soil, punching on the surface soil after 3-4 days after the watering, wherein the depths of holes are appropriate when the holes penetrate through the base stock. According to the invention, sufficient nutrients are guaranteed, crop pest is effectively prevented, the crop yield and quality are greatly improved; the operation technology is simple, the labor intensity is low and the investment is low.

The invention discloses a sex pheromone composition for preventing and controlling argyrogramma agnata, and application thereof, and belongs to the field of biological prevention and control. The massratio of argyrogramma agnate sex pheromone to a sex pheromone halogenated analogue is 1:(0.4-0.8). The sex pheromone is composed of cis-7-dodecenyl acetate, cis-11-hexadecene acetate and cis-11-hexadecene aldehyde. The sex pheromone halogenated analogue is selected from one or more of cis-7-dodecenyl-2-mono-bromoacetic acid ester, cis-7-dodecenyl-2,2,2-trifluoroacetic acid ester, and cis-7-dodecenyl-2,2,3,3,3-pentafluoropropionic acid ester. The sex pheromone composition can more effectively trap and kill the male argyrogramma agnata, the mating frequency is decreased, the propagation rate isdecreased, and the pest population is gradually controlled to be extinct, so that the purpose of pest prevention and control is achieved.

The invention relates to the technical field of crop planting, in particular to a planting method of sweet potatoes. According to the planting method, lime powder is added into a farmland, a plow harrow is adopted for conducting deep ploughing treatment on the farmland, the lime powder is fully and effectively blended with soil, and the purpose of preventing pests is achieved; on a single ridge, every two adjacent rows of sweet potatoes are planted in a staggered mode to ensure that the nutrients in the farmland are fully absorbed and sweet potato seedlings planted side by side are prevented from influencing one another; after basic fertilizer and leaf fertilizer are applied in a cooperative mode, by means of a synergistic effect, the release time and intensity of fertilizer nutrients arematched with a crop nutrient absorption rule, so that the utilization rates of the basic fertilizer and the leaf fertilizer can be increased, and the yield of the sweet potatoes can be further increased; the planting farmland is reasonable in structure, the supplied nutrients for the sweet potatoes during growth are sufficient, the growth rate of weeds is decreased, input of a great amount of labor is avoided, and the planting cost is reduced.

The invention provides a method for preventing and controlling greenhouse tomato whiteflies in a greenhouse by using a photosynthetic high-fat film agent. The method is characterized by adopting the photosynthetic high-fat film agent, wherein the photosynthetic high-fat film agent is prepared from, by weight, the following components: 200 parts of dodecanol, 50 parts of hexadecanol, 8 parts of anemulsifier, 5 parts of a co-emulsifier, 40 parts of a thickener and 800 parts of water. After the photosynthetic high-fat film agent is diluted by adding water, greenhouse tomato crops are sprayed. The method for preventing and controlling tomato whiteflies in the greenhouse by using the photosynthetic high-fat film agent has the advantages of being simple, high in efficiency, environmentally friendly and free of pollution, and has the promotion effects of improving the quality of tomatoes and guaranteeing the quality of tomatoes and selling the tomatoes in advance.

The invention discloses a preparation process of a low-cost environment-friendly anti-corrosion floor. The problems of high price and poor performance of an environment-friendly floor in the prior artare solved. The preparation process comprises the following steps that firstly, an anti-corrosion surface layer (2) is made of a wood material treated by a preservative; secondly, the anti-corrosionsurface layer (2) is placed on the bottom of a mold, and the front face of the anti-corrosion surface layer (2) faces downwards; thirdly, more than one fixing groove is arranged on the back face of the anti-corrosion surface layer (2); and PVC is heated into a molten state; and fourthly, the PVC solution is poured into the mold in a pouring mode, a base layer (1) is formed on the back face of theanti-corrosion surface layer (2), and a finished product is prepared after cooling, wherein the preservative comprises the following components of, in parts by weight, 12 parts-14 parts of boric acid,2 parts-4 parts of disodium octaborate, 10 parts-12 parts of dicyandiamide, 6 parts-8 parts of sodium fluoride, 9 parts-11 parts of diammonium hydrogen phosphate, 42 parts-50 parts of ammonium sulfate, 2 parts-4 parts of copper oxide and 1 parts-3 parts of carboxymethyl cellulose.

The invention discloses an insect pest fumigation plug for branches and trunks of fruit trees. The insect pest fumigation plug comprises an administration insertion pipe, a sealing cover, a storage cavity and a sealing rubber plug, and is characterized in that the administration insertion pipe is arranged at an end of the storage cavity, and the sealing rubber plug is mounted between the administration insertion pipe and the storage cavity; the sealing cover is arranged at the other end of the storage cavity. The administration insertion pipe can be inserted in a wormhole of a basic trunk of a plant, and the sealing rubber plug mounted at the root of the administration insertion pipe and the wormhole are closed; insecticides (volatile gas of aluminum phosphide tablets) are poured into a body of the storage cavity and can directly flow through the wormhole of a tree after the sealing cover is mounted, and a continuous supplying state is kept. Borer insect pests or larval insect pests of the basic trunk of the plant can be effectively killed by the aid of the insect pest fumigation plug, and accordingly the pest control purpose can be achieved. The insect pest fumigation plug has the advantages that the insect pest fumigation plug is easy to implement and is particularly safe in use, and a perfect control effect can be realized.

The invention discloses micromolecular RNA for regulating and controlling individual labor division of solenopsis invicta worker ants and application of the micromolecular RNA. A nucleotide sequence of the RNA is 5'-GACGGGUGUGCUCUAGUUUCA-3'. Micromolecular RNA-miRNA-279c-5p for regulating and controlling the individual labor division of the solenopsis invicta worker ants is obtained through screening, after the expression of miR-279c-5p of foraging type worker ants is up-regulated, a baby rearing behavior for larvae or pupae of solenopsis invicta is generated, and the purpose of pest control is achieved by changing behaviors of the worker ants inside and outside nests. By adding bait containing the miRNA-279c-5p, the miRNA-279c-5p can be more easily transferred in a whole ant nest through a trophallaxis behavior of social insects, and the purpose of pest control is achieved.

The invention relates to a root specific expression AhMtan promoter and application thereof, and belongs to the technical field of biology. The nucleotide sequence of the root specific expression AhMtan promoter is shown as SEQ ID NO2 or SEQ ID NO3 or SEQ ID NO4.Peanut root specific promoters are cloned, core areas of the promoters are determined through a truncation experiment, the functions of all the promoters are verified, and a foundation is laid for application and development of the peanut biotechnology of China. An important molecular basis is provided for providing the efficient, stable and special expression promoter for obtaining a bivalent grub resisting peanut variety.