91 results about "Resistance development" patented technology

The invention discloses a pesticide composition and application thereof in agriculture. The effective component of the composition comprises flonicamid and neonicotinoid insecticides with a mass ratioof 80:1-1:80. The composition has the advantage of synergetic effect, obviously for resistant pests, reduces the dosage and delays resistance development, and is used for preventing and treating pests with obvious resistance, and is especially suitable for preventing and treating rice planthopper, thrips and aphid with resistance.

The invention provides an insect killing and sterilizing composition containing tiadinil. The composition comprises two active components A and B in effective quantity, wherein the component A is tiadinil, and the component B is selected from one of nicotine insecticidal component, macrolide insecticidal component, amide insecticidal component, organophosphorus insecticidal component, pyrethroid insecticidal component, nereistoxin insecticidal component and benzoyl urea insecticidal component. When the composition is used, the composition is processed to missible oil, water aqua, microemulsions, suspending agents, wettable powder or water dispersible granules which are used for stirring seeds, spraying, dripping and irrigating roots. The pesticide composition provided by the invention has the synergetic effect; and the application target is expanded, the resistance development of nicotine pesticides can be prolonged, and the service life of the composition is prolonged.

The invention discloses a composite microbial fertilizer bactericide for disease prevention and growth promotion of tobacco and an application thereof. The bactericide can be used for promoting tobacco growth and/ or preventing tobacco disease, and comprises active components namely Trichoderma ressei ACCC 30150 and Streptomyces silaceus ACCC 40021. The bactericide is environment-friendly, can inhibit dug resistance development of a disease pathogen, is favor of popularization of green food and organic agriculture, is low in cost and non-pollution, and safe to tobacco crops. By introducing antagonistic microbe in soil, through biological control, fungus and bacterial diseases can be effectively prevented, environment is effectively improved, agroecological system balance is maintained, and a foundation for sustainable development of tobacco can be laid.

An agricultural pesticidal and fungicidal combination containing pymetrozine and epoxiconazole consists of pymetrozine, epoxiconazole, auxiliary and excipient, the weight ratio of the pymetrozine to the epoxiconazole is 1:80 to 80:1, and according to percentage by weight, the content of each component in the combination is as follows: 1 to 80 percent of pymetrozine, 1 to 80 percent of epoxiconazole, 1 to 30 percent of auxiliary and the balance of excipient. The agricultural pesticidal and fungicidal combination can effectively control a variety of diseases and insect pests on paddy rice, wheat, peanut, banana and the like, solves the problem that the cost of simultaneously controlling insect pests and diseases is high, and has the advantages of broad control spectrum, slow resistance development, remarkable synergistic effect and low control cost.

The present invention relates to a bacteriophage PA1Φ belonging to family Siphoviridae, characterized that it is capable of killing one or more bacteria strains selected from a group comprising Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epidermidis, Staphylococcus homonis, Shigella sonnei, Listeria monocytogenes and Streptococcus pneumonia, and contains a full-length genome of SEQ ID NO: 1.

According to the present invention, the bacteriophage PA1Φ can be used to kill said bacteria and reduce the same effectively. Also, it can be used to remove biofilms generated by said bacteria. Especially, this bacteriophage is applicable for medical industry, food industry, biotechnology and the like, because it is a sort of virus that kills host bacteria without any adverse effect on human, animals and so on. In addition, this bacteriophage can kill noxious bacteria on target sites or target supports without any problem related with resistance development of bacteria.

The invention discloses pesticide granules for preventing and treating spodoptera frugiperda. The pesticide granules comprise the following preparation raw materials in parts by weight: 1-10 parts ofan active component, 1-10 parts of a plant growth regulator, 1-10 parts of an adhesive, 1-10 parts of a dispersant, 1-10 parts of water and 40-100 parts of a carrier. By adopting the pesticide granules, resistance development of the spodoptera frugiperda can be effectively retarded, on one hand, effects of the active component can be taken into play rapidly in seed treatment, the chemical effect is stable, an excellent prevention and treatment effect is achieved for insects, and on the other hand, the insect resistance of crops selves can be improved.

The invention relates to the technical field of agriculture medicines and discloses a sterilization composition for preventing and treating bacterial diseases and application of the sterilization composition. The sterilization composition for preventing and treating bacterial diseases comprises the active components, namely berberine or berberine sulfate (C20H18NO4*HSO4), and allicin and ammoniumsulfate. Due to different action modes of the active substances, the sterilization composition comprehensively acts on a target, has the effects of preventing, controlling and killing plant bacteria and has the characteristics of high efficiency, low toxin, low residue, wide bacteriocidal spectrums, slow resistance development and the like.

The invention relates to a mixed pesticide preparation containing a benzoyl urea insecticide. The mixed pesticide preparation comprises the effective components, namely chlorantraniliprole and benzoyl urea, wherein the benzoyl urea insecticide can be lufenuron, hexaflumuron, flufenoxuron, chlorfluazuron, chlorbenzuron, diflubenzuron or teflubenzuron and the like; the weight percent of the benzoyl urea is 1%-20%; the weight percent of the benzoyl urea insecticide is 1%-30%; and the preparation can be prepared into missible oil, a microemulsion, an emulsion in water, water dispersible granules, wettable powder or a suspending agent. According to the insecticidal composition, relatively high synergetic effects can be generated; resistance development of a synthesis inhibitor of benzoyl urea chitin is retarded; the service life of medicines is prolonged; prevention and treatment effects on lepidoptera pests are improved; and compared with that of the benzoyl urea insecticide, the fast-acting property is obviously improved.

The invention discloses a method and a special primer of the method for fast identifying the plutella xylostella ryanodine receptor gene mutation. The invention provides a specific primer combination, which consists of a single chain DNA (deoxyribonucleic acid) molecule shown as a sequence 1 of a sequence table, a single chain DNA molecule shown as a sequence 2 of the sequence table and a single-chain DNA molecule shown as a sequence 3 of the sequence table. The specific primer combination can be used for the following (a) or (b): (a) the specific primer combination can be used for identifying whether plutella xylostella generates the G4899E mutation of the ryanodine receptor gene or not, and the G4899E mutation of the ryanodine receptor gene refers to that an open reading frame of the ryanodine receptor gene is mutated into A from G in the 14696 locus nucleotide of the 5' tail end; and (b) the specific primer combination is used for the auxiliary identification of the resistance of plutella xylostella on bisamide pesticides. The specific primer combination and the application of the specific primer combination have the important significance in the aspects of monitoring the resistance gene frequency of plutella xylostella field populations on the bisamide pesticides and the bisamide pesticide resistance generation and development trend of the plutella xylostella field populations, timely regulating the plutella xylostella preventing and control strategy, guiding the reasonable pesticide use and delaying the resistance development.

Plants made resistant to insects by transforming their nuclear genome with two or more DNA sequences, each encoding a different non-competitively binding B. thuringiensis protoxin or insecticidal part thereof, preferably the toxin thereof.

The invention discloses an insecticidal composition containing thiamethoxam, which comprises thiamethoxam and cnidium lactone as active components. The weight ratio of thiamethoxam to cnidium lactone is 50:1-1:50. The invention relates to an application of the insecticidal composition containing thiamethoxam in controlling homoptera. The insecticidal composition and the application have the advantages that the composition comprises the two active ingredients of which mechanisms of action are totally different, thiamethoxam has systemic, stomach toxicity and contact activity, and cnidium lactone inhibits acetylcholin esterase of insects, influences nervous systems, allows the injurious insects to have nonfunctional muscle contraction and finally die due to exhaustion, is helpful for retarding resistance development of thiamethoxam, and prolongs the service life of an agent. Thiamethoxam and cnidium lactone are compounded to exert obvious synergistic action, after an effect is improved, the use amount and use frequency of the active ingredients are reduced, the use cost is lowered, and the pollution to an environment is reduced. The composition can extend an insecticidal spectrum.

The invention discloses a pesticide composition containing pyrrole-azole kresoxim-methyl, fludioxonil and fluorine-pyrrole furanone. The pesticide composition consists of an effective component A, an effective component B, an effective component C and common auxiliary components, wherein the effective component A accounts for 0.1-40 wt% of the composition, the effective component B accounts for 0.1-40wt% of the composition, the effective component C accounts for 1-70wt% of the composition, the effective component A is selected from the pyrrole-azole kresoxim-methyl, the effective component B is selected from the fludioxonil, and the effective component C is selected from the fluorine-pyrrole furanone. The composition for insect disinfestation and sterilization, disclosed by the invention, can effectively prevent and treat various diseases and insect pests of potatoes, has many advantages of being broad in preventing and treating spectrum, slow in resistance development, notable in synergistic effects, low in preventing and treating cost and the like.

The invention discloses a compound pesticide containing chlorantraniliprole and phosmet and a preparation method thereof. The compound pesticide contains effective ingredients of chlorantraniliprole and phosmet, and an additive is assisted. In the preparation method, the chlorantraniliprole and the phosmet are compounded, and the preparation method has the advantages of simple production equipment, no three-waste discharge, short technical flow, low processing cost and the like. Meanwhile, the compound pesticide has the advantages of wide pesticidal spectrum, long effect lasting period, high pesticidal speed, strong knocking-down capability, obvious synergism, good environmental compatibility and little pesticide cost and is an ideal new compound pesticide variety for preventing and controlling pests of cotton and rice, and pest resistance development can be delayed.

The invention relates to a pesticide composition containing abamectin B2a. The composition comprises available contents of a component A and a component B, wherein the component A is abamectin B2a, the component B is selected from one of thiamethoxam, nitenpyram or clothianidin; the mass part ratio of the component A to the component B is (20 to 1) to (1 to 50); the total mass of the effective components in the preparation accounts for 1 to 80 percent of the mass of the preparation, and the rest of the components are auxiliary components which are allowed and acceptable in the pesticide. The pesticide composition can be prepared in dosage forms of missible concentrate, suspension agents, water dispersible granules, micro-emulsion, soluble concentrate and granules, and is suitable for preventing, killing and treating parasitic nematodes by which plant root systems are damaged, preventing and killing insect pests with piercing sucking mouthparts such as aphid, greenhouse whitefly and the like. The pesticide composition has the remarkable synergistic effect, application target is enlarged, the resistance development of nicotine medicament can be retarded, and the service life is prolonged.

The invention relates to an insecticidal composition containing chlorfenapyr and celastrus angulatus. The insecticidal composition is prepared from the following effective ingredients of chlorfenapyr and celastrus angulatus according to a weight ratio of (5 to 20):1. The insecticidal composition has the advantages that a synergetic effect is achieved; the pesticide application quantity can be effectively reduced; the pesticide cost and the pesticide residues are reduced; meanwhile, the resistance development of empoasca pirisuga matumura is favorably delayed.