77results about How to "To achieve the effect of prevention" patented technology

The invention discloses a liquid formulation containing imidacloprid for trunk injection, which comprises (by weight ratio) the following raw materials, imidacloprid 1.0-8.0%, insecticidal agent 0.01-15.0%, surface active agent 1-10%, and balancing solvent. The agent is applied mainly through dry injection method and can be use for controlling various insects on trees.

The invention discloses a trichoderma spore powder as well as a preparation method and application thereof. The trichoderma spore powder contains trichoderma spore powder and a drying aid, wherein the trichoderma spore powder is the spore powder of Trichoderma sperellum T1 which is preserved in the general microorganism center of CCCCM (China Committee for Culture Collection of Microorganisms) and has the preservation number of CGMCC NO: 3531 and a rDNA ITS region segment sequence shown in SEQ ID NO:1; the drying aid is one or more of beta-cyclodextrin, potato starch and soluble starch. The trichoderma spore powder has an effective prevention and control effect on banana vasicular wilt, and has a remarkable antagonism effect on various pathogenic funguses, especially on soil-borne funguses. The preparation time is saved with the preparation method of the trichoderma spore powder, which can be used for preparing the trichoderma spore powder which has high density, high germination rateand high drying efficiency and is easy to store, transport and use.

The invention discloses a lymantria dispar linnaeus heatshock protein Hsp23 gene and application of dsRNA thereof in nuisanceless control. A nucleotide sequence and a coded amino acid sequence of the Hsp23 gene are shown by SEQ ID No.1, the dsRNA is synthesized from part of sequence fragments of the gene, and the sequence of the dsRNA is shown by SEQ ID No.2. The dsRNA of the Hsp23 gene can be applied to control of the growth and development of lymantria dispar linnaeus. An experimental result shows that after the dsRNA of the Hsp23 gene is injected into a lymantria dispar linnaeus larva, compared with a contrast (injected with ddH2O and GFP gene dsRNA), a relatively strong silencing effect is achieved, so that the growth and development of the lymantria dispar linnaeus larva are inhibited. Therefore, the invention provides a silencing technology capable of using Hsp23 to control an important forest pest, namely the lymantria dispar linnaeus and lepidopterous pests with similar structural domains, thereby providing a new train of thought and a new technology for green control of forest pests.

The invention belongs to the field of biological prevention and treatment, and provides antibiological inoculant for preventing and treating cucumber root knot nematode disease. The composite microbial inoculant is prepared from glomus mosseae inoculums and bacillus subtilis fermentation broth; the composite inoculants is selected from nine simple inoculants and twelve composite inoculants according to the development condition and nematode resistance condition; each composite microbial inoculant includes 5000 inoculum potential glomus mosseae; the total viable counts of bacillus subtilis fermentation broth reach 3*10<8>CFU/ml; glomus mosseae and bacillus subtilis inoculants are compounded and show obvious a synergistic interaction effect on preventing and treating root knot nematode by being compared with individual glomus mosseae inoculants or bacillus subtilis inoculants, and the preventing effect of root knot nematode is also obviously improved.

The invention discloses a method for RNA (ribonucleic acid) interference of panonychus citri mites. The method includes the steps of feeding the panonychus citri mites, treating the panonychus citri mites with dsRNA solution, determining the molting and survival situation of treated the panonychus citri mites, and evaluating the effect of the RNA interference. The method has novel and reasonable design, enables the panonychus citri mites not to complete the normal molting so as to die with RNA interference, and thus, the purpose of preventing the panonychus citri mites is achieved, the amount of the chemical pesticides to be used can be reduced, and accordingly the method has a broad application prospect.

The invention relates to a titanium-sulfur powdery mildew prevention mixture. The mixture comprises the following ingredients: 3 to 5 parts of shell-core structure 70-nm titanium microspheres, 6 to 10 parts of sulfur and 30 to 50 parts of 27% lipid film. The mixture is processed into emulsion and mainly used for preventing pumpkin powdery mildew, pepper powdery mildew and strawberry powdery mildew. According to the mechanism of action of the titanium-sulfur powdery mildew prevention liquid, a fatty acid film is formed on a leaf to prevent the invasion of germs and prevent the growth diffusion of the germs on a disease part and to produce little heat under the sunlight so as to damage the protective film and cell wall of germs, infect the wound of the germs by the sulfur which is sensitive to the germs, to alleviate the activity and diffusion of the germs and to kill the germs are further killed, so that the titanium-sulfur powdery mildew prevention mixture is a physical prevention method; in addition, an effect on preventing sunscald caused by high-intensity sunlight and improving photosynthesis and hydrophilia can be achieved. The titanium-sulfur powdery mildew prevention mixture is a safe, environment-friendly, toxic-free and no-drug-fast powdery mildew prevention mixture.

The invention relates to a natural pharmaceutical composition as well as a traditional Chinese medicine composition containing the same and application of the natural pharmaceutical composition. The natural composition comprises the following raw materials in weight ratio: 40 to 200 parts of paeoniflorin, 1 to 20 parts of ferulic acid, 10 to 50 parts of hydroxysafflor yellow and 1 to 20 parts of protocatechuic aldehyde. The traditional Chinese medicine composition is a composition containing the natural pharmaceutical. The natural pharmaceutical composition and the traditional Chinese medicinecomposition have anti-aGvHD and anti-fungal infection effects, and are of great significance to improve the success rate of transplantation, improve the prognosis of patients, and increase the long-term survival rate of patients with hematological diseases, recipients of allogeneic hematopoietic stem cells and patients with fungal sepsis.

The invention discloses a green environmental-protection agricultural spraying oil and a preparation method thereof. According to the present invention, the light and wet hydrogenation distillate in the Jinan refinery heavy base oil bright oil project process is used as a raw material, and further precision fractionation-white clay refining-steam stripping treatment is performed to produce the environmental-protection agricultural spraying oil product, wherein the environmental-protection agricultural spraying oil meets the green environmental protection requirement, can meet the FDA certification requirement, and has advantages of high saturated hydrocarbon content, colorlessness, excellent light stability, excellent thermal stability, extremely low sulfur nitrogen content, no aromatic hydrocarbon, no harmful solvent, narrow distillation range, and good effect.

The invention discloses a method for controlling ichthyophthirius during trachinotus-ovatus cage culturing. The method includes the steps of observing and preventing, making of a netting device for controlling the ichthyophthirius in the mode that the trachinotus ovatus is soaked with fresh water, fresh water soaking, medicine treating, physical enhancing and the like. According to the method, the trachinotus ovatus is soaked with fresh water, cryptocaryon irritans loses the adsorption capacity in fresh water through sudden changing of osmotic pressure and is separated from a fish body, and if soaking time is long, polypide cells can be ruptured and died; after the ichthyophthirius is infected to the fish body and developed and matured, the ichthyophthirius is separated from a host after 3 days to 5 days, a cyst is formed and is subjected to asexual reproduction to be split into a plurality of larvae capable of infecting the fish body; if a cage is moved to a deep sea area with the good water quality and the high flowing speed, the cyst can be separated from the host to be taken away by water flow, and the controlling effect is better achieved. By means of the method, it can be achieved that the trachinotus ovatus is soaked with fresh water in a sea cage for controlling the cryptocaryon irritans; meanwhile, trachinotus ovatus cannot be directly caught in the whole course, and stress responses caused by catching are reduced.

The invention discloses a spirodiclofen hot aerosol and a preparation method thereof. The spirodiclofen hot aerosol and the preparation method thereof are characterized in that: the spirodiclofen hot aerosol comprises the following raw materials in percentage by weight: 5 to 20 percent of spirodiclofen, 2 to 25 percent of surface active agent, 1to 2 percent of organic silicon defoamer, 0.5 to 2 percent of anti-freeze agent, 0.5 to 1 percent of antioxidant, and the balance of solvent. The spirodiclofen hot aerosol has the advantages of wide acarid killing spectrum, killing of egg and larva, strong contact poisoning action, long effective period, high utilization efficiency, no cross resistance with the conventional acaricide, and also suitability for preventing and controlling the harm of eotetranychus sexmaculatus riley to a rubber tree, and a high fruit tree, an ornamental plant, protected agriculture and the like.

The invention discloses washing powder for preventing and treating nose diseases. The formula comprises 2.10-4.30 parts of sea salt enriched in mineral substances and multiple trace elements, 0.10-0.20 part of a medical active ingredient and 0.60-1.20 parts of a buffer agent. By virtue of nasal wash, the washing powder disclosed by the invention can achieve effects of effectively alleviating and preventing damage of various traumas and inflammations on nasal mucosa and protecting the nasal mucosa, and is applicable to health washing of occupational inhalation dust and daily nasal nursing. Thewashing powder disclosed by the invention is based on a control principle of mineral substances, trace elements and biological components, and can achieve effects of eliminating nasal mucosa edema, promoting nasal cilium wiggle, protecting and repairing the nasal mucosa and cleaning and wetting the nasal cavity by virtue of deep washing in reference with modern pharmacological researches, so thatthe prevention and treatment effect is safely and effectively achieved.

The invention discloses an insect antifeedant 15beta-hydroxyklaineanone conducted in plants and application. The 15beta-hydroxyklaineanone has antifeeding activity on various insects and can be conducted in the plants; the antifeeding effect is better than that of the antifeedant applied to the surfaces of the plants; the 15beta-hydroxyklaineanone can be used for preparing a systemic insect antifeedant, is more convenient to use, is not influenced by interferences of an external environment and has a good application prospect; the insect antifeedant is separated and purified from natural plants and has low toxicity, no residues, no pollution and no nuisance on economic crops including various grains, melons and vegetables; a series of problems produced by the drug resistance caused by traditional insecticide in the prior art can be solved.

The invention relates to a Chinese herbal medicine preparation for preventing and curing mycotic diseases infected by beasts and birds. The Chinese herbal medicine preparation is prepared from the following bulk drugs in parts by weight: 10-40 parts of baical skullcap roots, 10-20 parts of rheum officinale, 10-40 parts of hawthorns, 10-30 parts of medicated leaven, 10-30 parts of silybum marianum and 10-30 parts of pine needle meal. The Chinese herbal medicine preparation provided by the invention has a strong mycete restraining and killing capability, can resolve toxicant, is liver protective and cholagogue, and cardiotonic and diuretic, and has good preventing and curing effects.

The invention relates to a composition for preventing and controlling cucumber downy mildew and a preparation method thereof. The composition comprises, by weight, 3-5 parts of fluoride ether bacteria amide, 1-3 parts of Bituo microbicide, 1-3 parts of Coptis chinensis extract, 1-3 parts of garlic oil, 3-5 parts of medical stone, 0.1-0.5 part of pesticide fertilizer sustained release agent, 5-10 parts of wetting agent, 3-10 parts of dispersant, 25-35 parts of kieselguhr and 15-20 parts of water. The composition is reasonable in prescription and simple to prepare, is a novel environment-friendly preparation, and has significant effect in cucumber downy mildew prevention and control. During cucumber production, various pests exist at the same time frequently, and mixed application of four kinds of microbicides can enlarge the control range, enhance prevention and control effect, lower toxicity of the agents, prolong appropriate period for spraying, save prevention and control cost, reduce application times, enhance adaptability and delay development of target drug resistance.

The invention discloses a lymantria dispar linnaeus glutathione-S-transferase GSTe4 gene, dsRNA and application in prevention and treatment of lymantria dispar linnaeus. The nucleotide sequence of thetransferase GSTe4 gene is as shown in SEQ ID No. 1, and the transferase GSTe4 gene encodes a protein with an amino acid sequence as shown in SEQ ID No. 2. The nucleotide sequence of the dsRNA of thetransferase GSTe4 gene is as shown in SEQ ID No. 3. The invention also discloses application of the lymantria dispar linnaeus glutathione S-transferase GSTe4 gene dsRNA in prevention and treatment orpreparation of lymantria dispar linnaeus prevention and treatment products. According to the method, physiological metabolism of the lymantria dispar linnaeus larvae to poplar secondary substances canbe affected, so that the growth and development duration of the lymantria dispar linnaeus larvae is prolonged, the weight of the larvae is reduced, the food conversion rate (ECD) is reduced, the purpose of weakening the vitality of the lymantria dispar linnaeus larvae is achieved, and finally the prevention and treatment effect is achieved.

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.