63 results about "Juvenile hormone" patented technology

Disclosed are mixtures and compositions for controlling invertebrate pests relating to combinations comprising (a) 3-bromo-N-[4-chloro-2-methyl-6-[(methylamino)carbonyl]phenyl]-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxamide, and its N-oxides, and suitable salts thereof

and a component (b) wherein the component (b) is at least one compound or agent selected from neonicotinoids, cholinesterase inhibitors, sodium channel modulators, chitin synthesis inhibitors, ecdysone agonists, lipid biosynthesis inhibitors, macrocyclic lactones, GABA-regulated chloride channel blockers, juvenile hormone mimics, ryanodine receptor ligands, octopamine receptor ligands, mitochondrial electron transport inhibitors, nereistoxin analogs, pyridalyl, flonicamid, pymetrozine, dieldrin, metaflumizone, biological agents, and suitable salts of the foregoing. Also disclosed are methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a mixture or composition of the invention.

Disclosed are mixtures and compositions for controlling invertebrate pests relating to combinations comprising (a) 3-bromo-N-[4-cyano-2-methyl-6-[(methylamino)carbonyl]phenyl]-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxamide, an N-oxide, or a salt thereof, Formula (1) and (b) at least one invertebrate pest control agent selected from neonicotinoids, cholinesterase inhibitors, sodium channel modulators, chitin synthesis inhibitors, ecdysone agonists, lipid biosynthesis inhibitors, macrocyclic lactones, GABA-regulated chloride channel blockers, juvenile hormone mimics, ryanodine receptor ligands, octopamine receptor ligands, mitochondrial electron transport inhibitors, nereistoxin analogs, pyridalyl, flonicamid, pymetrozine, dieldrin, metaflumizone, biological agents, and salts of the foregoing. Also disclosed are methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a mixture or composition of the invention.

The invention relates to an artificial fodder for imaginal harmonia axyridis. The artificial fodder is characterized by using pork liver homogenate, fly maggot powder, yeast extract, cane sugar, and honey as main components, and further containing 0.1-100mg/Kg of juvenoid hormone analogues. The juvenoid hormone analogues is added to the artificial fodder for harmonia axyridis, thereby stimulating the ovarian development and feeding of the harmonia axyridis, and the problem that the imaginal harmonia axyridis cannot spawn after being fed with ordinary artificial fodder is solved. Compared with the prior art, the fodder disclosed by the invention is simple in ingredient, easy to prepare, low in cost, and capable of guaranteeing the fertility of the imaginal harmonia axyridis, and the hatchability and the survival rate of the filial ladybird and the imago yield are high.

The invention discloses a juvenile hormone synthesis inhibitor with novel structure, which is a phenylpropyl alcohol-glycerol-bright tripeptide amide analogue. The structure general formula of the compound provided by the invention is B: R-Leu-NH2, wherein the R stands for Phe-Gly-, Tyr-Gly-, PhCH2CH2CO-Gly-, PhCH=CHCO-Gly-, Ph(CH2)5CO-, Ph(CH2)4CO-, PhCH2NHCO(CH2)2CO-, PhCH2NHCO(CH2)3CO- or PhCH2NHCOCH2CO-. The compound with formula B simulates the chemical structure of a PHe-Gly-Leu-NH2 fragment of an A type AST and has simple structure and low synthesis cost. The compound has better inhibition activity for the juvenile hormone synthesis of black beetles. In the further application study, the compound obviously influences reproductive systems of female black beetles, inhibits the generation of black beetle eggs, conforms to the characteristic of an insect growth regulator and has better development and application prospects.

The invention relates to the technical field of aquaculture, in particular to a preparation and an application method for inducing settlement and metamorphosis of capitulum mitella linnaeus larvae with juvenile hormone-III. The invention adopts the technical scheme that a preparation for inducing the settlement and the metamorphosis of the capitulum mitella linnaeus larvae is prepared in a water body by the following steps of carrying out solubilization with dimethyl sulfoxide according to a weight-to-volume ratio of the juvenile hormone-III to dimethyl sulfoxide as 1/25 (w/v), adding alcohol to prepare the preparation containing 0.1mg/mL juvenile hormone -III, and storing at -20 DEG C. Filtered sea water is added to prepare inducing sea water before use. The preparation is simple to operate, low in cost, stable in action and significant in inducing effect, and a metamorphosis rate can reach 86%. The method presents appropriate concentration, treatment time and inducing opportunity for application of the preparation and is a good method for inducing the settlement and the metamorphosis of the capitulum mitella linnaeus larvae, and the metamorphosis rate of the larvae is up to 95%.

The invention discloses an energy-saving and high-yield silkworm breeding method. The energy-saving and high-yield silkworm breeding method comprises the following steps of: breeding 1-2-year silkworms according to a conventional silkworm breeding way; preparing a juvenile hormone resistant solution when 3-year silkworms are firstly fed; and uniformly spraying the solution on the surfaces of mulberry leaves to feed the silkworms to ensure that a common tetramolters become trimolters; by using the silkworm breeding method, the breeding time is shortened and the leaf feeding quantity is reduced; the manpower and the feed cost are reduced; the cocoon silk quality and the fineness are improved; and the 3-year inductivity is up to 97%, the cocoon quality is approximately equal to the qualities of other five varieties, the silk yield is relatively low, but the fineness of the trimolter cocoon silk induced by 3-year silkworms in six varieties is smallest and is 1.079D, and the finenesses of cocoon silks of other five varieties range from 1.606D to 1.755D.

The invention discloses a pesticide composition containing pyriproxyfen and hexaflumuron, and belongs to the technical field of pesticides. Pyriproxyfen and hexaflumuron in the pesticide composition belong to insect growth regulators; and functional mechanisms of pyriproxyfen and hexaflumuron are different, and pyriproxyfen belongs to juvenile hormone analogues, which disturbs the insect hormone balance, while hexaflumuron belongs to chitin synthesis inhibitor class, which has functions of inhibiting the chitin synthetase activity and hindering a larval molting effect. According to the pesticide composition, pyriproxyfen and hexaflumuron are mixed to play an obvious synergistic interaction function on leek late eye fungus gnat 4-instar larva, thereby improving the prevention and control effect, greatly reducing the dosage in the field, effectively reducing environmental pollution and pesticide residues and reducing the cost. In addition, two single dosages have different mechanical functions, so that the overcoming of injurious insect resistance and the delaying of the injurious insect resistance are facilitated due to the mixed using of the two single dosages. The pesticide composition containing pyriproxyfen and hexaflumuron is low in toxicity, quick in response and wide in disease prevention and treatment, and has a good pesticide effect.

The invention discloses a pentapeptide analogue of insect allatostatin and an application of the pentapeptide analogue. A structural formula of the analogue is shown in a general formula A; in the formula A shown in the specification, wherein Xaa is natural or unnatural amino acid containing hydrophilic or lyophobic side chains. Based on an earlier-stage allatostatin core pentapeptide (Y/FXFGLa) analogue (seen in CN101519433), the 2nd-bit amino acid is replaced by the introduced natural or unnatural amino acid containing the hydrophilic or lyophobic side chains to obtain the analogue with high biological activity; an in vitro radiochemistry test result proves that a part of compounds can be used for obviously inhibiting biosynthesis of female cockroaches juvenile hormone and growth of spawns under a condition of a living body, and the analogue meets the property of insect growth regulators.

The invention provides a composition and feed for feeding coccinella septempunctata, and a preparation method of the composition. The composition comprises the following components in parts by weight: 500-1000 parts of aphid treatment substances, 1-4 parts of [beta] carotene, 0.000001-0.00001 part of juvenile hormone and the like. The feed composition provided by the invention comprises the aphid treatment substance, the juvenile hormone and the [beta] carotene, wherein the aphid treatment substance has relatively comprehensive basic nutrients, the juvenile hormone has the characteristic of promoting ovarian development of adults, and the [beta] carotene has the characteristics of improving the survival rate of insects and protecting follicles and uterine cells. The egg laying amount and the hatching rate of the coccinella septempunctata fed by the composition have no significant difference from the egg laying amount and the hatching rate of the coccinella septempunctata fed by conventional bean aphids, and the feed is favorable to be stored and is conveniently used. The whole demand quantity of aphids can be reduced by about 20%, the space is saved by 50% or above, and the labor demand is reduced by 30% or above.

The invention discloses a non-peptide juvenile hormone synthetic inhibitor and belongs to the technical field of juvenile hormone synthetic inhibitors. A structural formula of an analogue is shown as a formula A. The non-peptide juvenile hormone synthetic inhibitor with a novel structure, simpleness, low cost and high activity of inhibiting juvenile hormone synthetic separation is obtained by substituting non-peptide micromolecule segments for amino acids in a core pentapeptide except for leucine. The compound of the formula A accords with the characteristics of an insect growth regulator andhas a good development application prospect.

The invention discloses an artificial insect feed and a preparation method thereof. The preparation method of the artificial insect feed comprises the following steps: mixing wheat bran, agar, honey, fibrin, inosite, juvenile hormone and preservative substances, and sterilizing the mixture, so that a mixture M is obtained; mixing the mixture M with glycerine and de-ionized water, carrying out water-bath heating, and cooling the heated mixture, so that the artificial insect feed is obtained. The raw materials synergistically effect, so that the prepared artificial insect feed is balanced in nutrients; being used, the artificial insect feed is capable of obviously improving survival rates of the insects. Moreover, the preparation method of the artificial insect feed is simple in method, and the raw materials are easy to obtain.

The invention relates to a method of synthesizing juvenile hormone analoge ZR-515, including the steps: a, preparing a catalyst: using hydrochloric acid to modify strongly acidic cation exchange resin by soaking; b, preparing 3, 7, 11-trimethyl-2, 4, 10-dodecatrienoic isopropyl ester: dissolving citronellal, 4-(diethoxy phosphoryl)-3-methyl-2-butenoic acid isopropyl ester, and sodium hydroxide in dichloromethane, adding in phase transfer catalyst, stirring and reacting at room temperature -100 deg.C for 1-40 h; c, synthesizing ZR-515: mixing 3, 7, 11-trimethyl-2, 4, 10-dodecatrienoic isopropyl ester with methyl alcohol, adding in the prepared catalyst in step a, reacting for 5 h at room temperature -100 deg.C. It has the advantages of simple operation, moderate reacting conditions.

The invention provides an insecticide composition containing pirimiphos-methyl and a micro-capsule suspending agent thereof. The insecticide composition comprises a component A and a component B, wherein the component A is the pirimiphos-methyl; the component B is selected from one of pyriproxyfen, chlorbenzuron, diflubenzuron and triflumuron; the mass ratio of the component A to the component B ranges from (100:1)-(2:1), most preferably 50:1; the highest cotoxicity coefficient is 224.1 and the insecticidal efficacy is optimal. The invention provides the insecticide composition containing pirimiphos-methyl and the micro-capsule suspending agent thereof; the organic phosphorus type efficient, low-toxin and wide-spectrum pirimiphos-methyl and insect growth regulators (juvenile hormone types) including the low-toxin compounds of the pyriproxyfen, the chlorbenzuron, the diflubenzuron and the triflumuron are compounded so as to effectively delay the drug resistance caused by sanitary insect pests such as cockroaches, mosquitoes and flies; the effects of killing imagoes and larvae can also be realized.

The invention discloses a manufacture method for ultrathin size cocoon filaments, which comprises the steps of: breeding a trimolter variety which can be stably genetic to a newly molted second larva or a newly molted third larva stage according to a normal breeding method; using an antijuvenile hormone antagonist to induce the trimolter variety in the newly molted second larva or newly molted third larva stage into a dimolter; and then carrying out normal mulberry leaf feeding, frame mounting, cocoon drying, cocoon cooking and silk reeling in turn. The manufacture method can obtain the top-grade ultra-thin size cocoon filaments with average size of 0.7 to 0.9 dtex; the thinnest can achieve 0.4dtex. The manufactured cocoon filaments have the advantages of excellent solving, thin size, small size error, good purity, high mightiness, good cohesive force, and the like. Simultaneously the method can effectively shorten the sericiculture period, which has extremely large promoting effects on adjusting the labors and improving the production efficiency of the sericiculture; besides, the method can reduce the disease rate of silkworms, reduce the harm to the production of the silkworms in summer and autumn and is beneficial to improving the safety.

The invention discloses a termite-preventive environment-friendly medicament and a preparation method thereof. The environment-friendly medicament comprises the following components in percentage by weight: 6-14% of hexaflumuron, 3-7% of octadecyl trimethyl ammonium chloride, 10-18% of cellulose, 16-24% of benzene sulfonate, 5-9% of saccharose, 12-20% of boric acid, 11-15% of anhydrous sodium sulfate, 1-5% of methoxy juvenile hormone, 4-8% of pollen pini, 1-5% of sulfluramid, and 4-8% of egg-shell meal. The preparation method comprises pretreatment, ultrafine pulverization, mixing and packaging steps. The termite-preventive environment-friendly medicament has strong termite killing capability, is good in prevention effect, free from environment pollution and safe to use, and the usage amount is small.

The invention provides an insecticidal composition containing pirimiphos-methyl and a preparation method thereof. In the composition, an organophosphorus insecticidal and acaricidal agent pirimiphos-methyl with the advantages of high efficiency, low toxicity, quick effect and the like and a novel insecticide pyriproxyfen of juvenile hormone analogue are used in compatibility, so that while effectively killing pests and worm eggs, the composition also can effectively control the generation of pest resistance to insecticide, and realizes long-lasting insecticidal effect. At the same time, the composition provided by the invention can be prepared into an effervescent tablet or spreading oil, thus avoiding the problems of flammability, easy leakage, irritation, environmental pollution and the like in existing insecticidal composition dosage forms. The insecticidal composition provided by the invention has the advantages of good insecticidal effect, long duration, and good use safety, etc. According to the method provided by the invention, the components are adopted as the raw materials, and are further mixed to prepare effervescent tablets or spreading oil, the preparation method is convenient, and the prepared insecticidal composition has the advantages of good insecticidal effect and long duration, etc.

The invention provides a binary active component synergistic compounding composition and a preparation of the binary active component synergistic compounding composition. The binary active component synergistic compounding composition is prepared from a component A and a component B, wherein the component A is prepared from one of juvenile hormone insecticides, and the component B is prepared from one of chlorfluazuron, fluorobenzene or flucycloxuron. An insecticidal composition or the preparation is used for preventing termites and sanitary insect pests, and agricultural and forest pests, an insecticidal spectrum can be enlarged, the insecticidal efficiency is obviously superior to that of all single agents which are simply overlaid, and an obvious synergistic effect is obtained.

The invention discloses a growth promoting additive for crustacean breeding. A component, which is anti-juvenile hormone KK-42, is synthesized by reacting two compounds namely aldimine and p-tolylsulfonylmethyl isocyanide (TosMIC) in the presence of potassium carbonate, and performing silica-gel column chromatography on a coarse product by an eluent for separation, and dissolving and diluting by using acetone to prepare a 0.01wt% anti-juvenile hormone aqueous solution; weighing 1-3 parts of the anti-juvenile hormone aqueous solution, 20-80 parts of an ecdysone raw material, 500-1,000 parts of a vitamin C raw material, 4,500-7,000 parts of a glucose raw material and 2,138-4,477 parts of a zeolite powder raw material according to the weight proportion to be added into a mixing machine to be mixed for 5-10 minutes until the uniformity is 5 percent to obtain a mixture; and packaging the mixture. According to the growth promoting additive, the stress resistance of shrimps and crabs can be improved, the feed utilization rate is increased, and the deshelling and growth of the shrimps and the crabs are promoted.