49results about How to "Protect ecological security" patented technology

The invention provides a method for preparing a controlled-release nano-pesticide preparation. The method comprises the following steps: emulsifying components of the nano-pesticide preparation to form an initial emulsion; and then performing high-pressure homogenization to form a fine emulsion to prepare a wall-material-coated nano-pesticide preparation. The method is simple, easy to operate and good in repeatability, and the prepared nano-pesticide preparation is small in grain size, favorable in grain dispersity and excellent in controlled-release performance.

The invention discloses a kit for identifying fruit flies and special primers therefor. The primers provided in the invention comprise eleven primer pairs from a primer pair 1 to a primer pair 11. Experiments of the invention prove that a method in the invention has the following advantages: researches in the invention combine the monitoring case, port interception information, host information and the like, main economic flies in Chinese mainland and Taiwan area are contained, and the kind representativeness of the contained flies is strong, so the identification result accuracy and the technological practicality are ensured.

The invention discloses a device for purifying water bodies by using solar energy to guide plants, comprising a floating frame and baskets. Each basket consists of a frame opening and a frame body, wherein each frame body is formed by grid-shaped ribs, and the outer sides of the connecting parts of the frame openings and the ribs of the frame bodies are provided with >-shaped fixing buttons. The device is characterized in that the floating frame comprises a floating pipe, an elbow or / and a tee joint, wherein solar energy light-emitting boards are arranged on the floating frame, buckling belt holes are distributed at the edge on the end faces of the upper ends of the solar energy light-emitting boards, basket holes and hanging holes are uniformly distributed in the middle, the baskets are arranged in the basket holes, underwater flexible attachment devices comprising central lines and a plurality of supports are fixedly arranged in the hanging holes, and the solar energy light-emittingboards are fixedly connected with the floating pipes of the floating frame or the buckling belt holes on the adjacent solar energy light-emitting boards by the buckling belts through the buckling beltholes on the end faces of the upper end of the solar energy light-emitting boards. The invention can be used for solving the problem that the plants can not normally perform photosynthesis in the no-sunshine time period, enhancing the efficiency of the plants to adsorb excessive nutritive materials and accelerating the repairing progress of water area ecological environment and can beautify the water area environment simultaneously.

The invention discloses an integrated fluidic chip for identification of a fruit fly type and a use thereof. The integrated microfluidic chip comprises specific primers for fruit fly type identification and a TaqMan-MGB probe. The invention provides a fruit fly type molecular identification technology utilizing the integrated fluidic chip. A test proves that the integrated microfluidic chip-based molecular identification technology realizes fast identification of a fruit fly type, has good specificity, high flux, a low cost and simple processes, realizes identification of a type of non-adult fruit fly or fruit fly adult residual body, provides a fast identification tool and technology for import and export plant quarantine and nationwide fruit fly epidemic monitoring, effectively prevents invasion and diffusion of dangerous fruit fly, protects agricultural production and ecological safety and promotes trade and economic development in China.

The invention relates to the technical field of pesticide preparations, in particular to pesticide powder and a preparation method thereof. The pesticide powder is prepared from, in weight percent, 5-40% of pesticide active components, 5-25% of sustained-release materials, 2-15% of organic solvents, 0.5-5% of emulsifiers, 1-5% of dispersing agents, 0.5-2.5% of stabilizers, 0.3-0.7% of thickening agents and the balance water. The pesticide powder is treated by a special film coating technology and can be regulated according to specific pesticide applying scene requirements, the sustained-release period of the pesticide preparations is effectively prolonged, the activity of pesticides can be improved, spraying frequency and dosage can be decreased, and the pesticide powder has the advantagesof rapid and stable fertilizer effects and slow lasting pest-killing pesticide effects.

The invention relates to the field of fruit fly quarantine technologies, in particular to primers and a method which are used for multi-target fast identification of bactrocera macquart. Nucleotide sequences of the specific primers used for multi-target fast identification of the bactrocera macquart are as shown in SEQ ID NO. 1 and SEQ ID NO. 2; the specific primers can separate the bactrocera macquart from anastrepha schiner, carpomya, ceratitis macleay, dacus, rhagoletis and other diptera species. The specific primers are used for identifying bactrocera macquart species, and have the advantages that the specificity is high, the sensibility is high, and the universality is high.

The invention discloses an acid-proof, moisture-holding and superactive special fertilizer technology for forestry and an additive. The technology comprises the steps of mixing and adding attapulgite, straw ash of power plants, sodium hexametaphosphate and aminothiopropionic acid into tap water so as to prepare turbid liquid, adding acrylamide, N,N'-methylene bisacrylamide and hydrogen peroxide into the turbid liquid, carrying out gamma ray irradiation on the obtained mixture, drying the obtained product until the weight of the obtained product is constant, crushing and sieving the obtained product, mixing the obtained powder with ammonium polyacrylate so as to obtain a special fertilizer additive for forestry, adding the additive into a common fertilizer, and granulating the obtained mixture so as to obtain a special fertilizer for forestry. The fertilizer has the advantages of water holding, fertilizer maintenance and capability of improving the acidic soil; meanwhile, through taking straw ash of power plants as a raw material, the straw ash of power plants is changed into things of value, thereby saving the cost, and further facilitating the large-scale application of the technology and the additive in forestry.

The invention relates to a backpack type normal temperature smoke pesticide sprayer. The backpack type normal temperature smoke pesticide sprayer comprises a pesticide sprayer body and a movable cable trailer. The pesticide sprayer body is detachably installed on the movable cable trailer and comprises a backpack rack. An atomization control box is installed on the backpack rack and provided with a handheld spraying assembly and a pesticide box assembly, the pesticide box assembly is arranged at the upper portion of the atomization control box, a pressure stabilizing device and an anti-deposition stirring device are arranged in the pesticide box assembly, an atomizer and a control and safety protection part are arranged in the atomization control box, the atomizer is communicated with a spray pipe, a pesticide conveying pipe is connected to the spray pipe in parallel and communicated with a pesticide box, and a handle switch assembly for controlling liquid pesticide to start flowing or stop flowing is arranged on the spray pipe. The backpack type normal temperature smoke pesticide sprayer has the advantages that electric energy serves as energy, the sprayer is not limited by special power when working in a greenhouse, spraying efficiency and pesticide spraying quality can be improved, pesticide is sprayed evenly, pesticide and water are saved, pesticide residue pollution is reduced, and the labor intensity of users is greatly relieved.

The chelating state micronutrient fertilizer with the insecticidal function comprises trace elements and chelating agents and also comprises botanical pesticides and dispersion agents; the chelating state micronutrient fertilizer is shaped like powder; chelating agents are selected from tetrasodium iminodisuccinate salt and or EDTA (Ethylene Diamine Tetraacetic Acid); the botanical pesticides comprise Cynanchum komarovii Al. extracts and also comprise Stellera chamaejasme extracts and Ageratina adenophora extracts. According to the chelating state micronutrient fertilizer with the insecticidal function, the trace elements are added, trace elements and other nutrients brought by a plant source which serves as the pesticides are contained, the trace elements and the other nutrients can be chelated into the chelating state micronutrient fertilizer, the botanical pesticides are also contained, and accordingly the formula is reasonable, the synergistic effect is obvious, the utilization rate of effective components is high, the pest killing effect is good through due to the double insecticidal mechanism for damaging protective enzyme systems and nervous systems of nematodes and the fumigation action of multiple ingredients, and the botanical pesticides are free of pest resistance. The invention also relates to a production method of the chelating state micronutrient fertilizer with the insecticidal function.

The invention provides a detection method for dendroctonus melanocarpa. The purpose of identifying dendroctonus melanocarpa can be achieved by combining specific primers (Heii-F and Heii-R) and a probe (Heii-P) which are screened by a test in a Taq-Man real-time fluorescent quantitative PCR method. The invention is suitable for quarantine identification of beetles in different states, the defects of a conventional morphological identification method are overcome, and compared with a DNA bar code identification technology applied in the prior art, the primer and the MGB probe are high in specificity and sensitivity, simple in experimental operation and short in consumed time; The identification result is visual and can be obtained by observing an amplification curve. The research not only can meet the original rapid customs clearance requirement of entry and exit, improve the detection rate, but also can effectively prevent invasion and diffusion of dangerous dendroctonus beetle, and has important significance on protection of agriculture and forestry production and ecological safety in China.

The invention provides a pesticide nanocapsule, and a preparation method thereof. The pesticide nanocapsule is prepared from, by weight, 0.1 to 80 parts of a pesticide active component, 0.1 to 40 parts of a capsule wall material, 0.2 to 30 parts of an emulsification dispersant, 10 to 200 parts of an organic solvent, 20 to 350 parts of water, 0.1 to 200 parts of an excipient, and 0 to 20 parts of an assistant agent, wherein the ratio of the pesticide active component to the capsule wall material is controlled to be 0.1:1-10:1. The pesticide nanocapsule is small in particle size, excellent in particle dispersibility and slow release performance; the preparation method is simple; operation is convenient; and the repeatability is high.

The invention discloses dsRNA of wing development related gene vestigial and application thereof in control of citrus fruit fly. A primer is designed for citrus fruit fly development related genes anddsRNA is synthesized first, and application of RNAi is performed on the citrus fruit fly development related genes by adopting a feeding method, so that phenotype of wing developmental malformation is obtained on the premise of ensuring interference efficiency. The dsRNA of wing development related gene vestigial and application thereof in control of citrus fruit fly disclosed by the invention solve the problem that injection implantation of dsRNA is difficul to operate in the field, lay a foundation for future study of directly sprayed RNA preparations to control the citrus fruit fly, and have excellent economic and social benefits for effectively controlling invasion and diffusion of the citrus fruit fly and protecting agricultural production and ecology security and human health in China.

The invention discloses a kit for identifying fruit flies and special primers therefor. The primers provided in the invention comprise eleven primer pairs from a primer pair 1 to a primer pair 11. Experiments of the invention prove that a method in the invention has the following advantages: researches in the invention combine the monitoring case, port interception information, host information and the like, main economic flies in Chinese mainland and Taiwan area are contained, and the kind representativeness of the contained flies is strong, so the identification result accuracy and the technological practicality are ensured.

This patent relates to a backpack type normal temperature smoke sprayer, including sprayer and mobile cable trailer, the sprayer is detachably installed on the mobile cable trailer, sprayer includes a backpack frame, a backpack frame An atomization control box is installed on the atomization control box, and a hand-held spray assembly and a medicine box assembly are arranged on the atomization control box. The medicine box assembly is placed on the upper part of the atomization control box. The control box is equipped with an atomizer, control and safety protection components. The atomizer is connected with the spray pipe, and the spray pipe is also connected with a drug delivery tube in parallel. The drug delivery tube is connected with the medicine box. Broken handle switch assembly. The advantages are: this patent uses electric power as energy, and there is no special power restriction when working in the facility greenhouse, which can improve spraying efficiency and spraying quality, uniform spraying, save pesticides and water, reduce pesticide residue pollution, and greatly reduce the use of pesticides. labor intensity.

The invention provides a preparation method of a pesticide nanocapsule. The method comprises the following steps: emulsifying a component of the pesticide nanocapsule to form primary emulsion, then homogenizing the primary emulsion at high temperature to form fine emulsion, thus preparing the pesticide nanocapsule. The preparation method of the pesticide nanocapsule, which is provided by the invention, is simple, easy to operate and high in repetitiveness; the prepared pesticide nanocapsule has a small particle size, is high in particle dispersity and high in slow release performance.