48results about "Chemosterilants" patented technology

Present invention teaches the method of using a keratin hydrolysis peptide (“KHP”) solution to enhance the yield and quality of tea leaves. By selectively choosing specific weights of feathers and water, and treating the mixture to a high-temperature high-pressure hydrolysis process, the resulting solution is confirmed to contain at least 253 peptides and then apply to the tea trees either by infusing to the soil or by leaf spray at certain growth stages. Optionally, the KHP solution can be diluted by water, as disclosed in the specification, for soil infusing or leaf spraying.

To provide a sustained release pheromone preparation that is easily installed and stably retained at an installation site.SOLUTION: Provided is a sustained release pheromone preparation 10 composed of at least one polymeric capillary or polymeric thin rod containing a pheromone substance 3 with each end 2 sealed. In the sustained release pheromone preparation 10, (a) the polymeric capillary or thin rod is bent into an arc and crossed to form, in front view, a single closed space 6 while remaining uncrossed in side view, (b) a curvature radius R of the bent and crossed arc is 6 to 17 mm, (c) a straight distance D from an apex of the bent and formed arc to an intersection 5 is 25 to 65 mm, and (d) in front view, when the intersection 5 is opened to provide a separation distance G of 20 mm, the repulsive force is 0.5 N or greater.SELECTED DRAWING: Figure 1

The invention provides an alcohol insect pheromone derivative, which takes a compound containing at least one active group such as carboxyl and amido as a carrier, and alcohol insect pheromone forms derivatives such as ester derivatives and anhydride derivatives with the compound through chemical reaction. The invention also provides a preparation method, application and a release method of the alcohol insect pheromone derivative. According to the alcohol insect pheromone derivative, alcohol insect pheromone is treated in a chemical reaction mode, the stability of the alcohol insect pheromone can be remarkably improved, slow release and controlled release of the pheromone can be achieved, the carrier material is wide in source, multiple in selectivity, convenient to use and economical, and in addition, the alcohol insect pheromone derivative can be used for preparing the alcohol insect pheromone derivative. The alcohol insect pheromone derivative provided by the invention can also realize combined release of various pheromones, so that trapping, prevention and control of various insects can be realized.

The invention discloses a small molecule RNA (Ribonucleic Acid) and application thereof in preventing and treating diaphorina citri. The inventor finds that the miRNA of the diaphorina citri, namely the RNA miR-7, has a nucleotide sequence of 5 '-UGAACACAGCUGGGUGGUAUCUC-3', and is highly expressed in an ovary and a head of the diaphorina citri. By feeding miR-7 agonist, the oviposition amount of diaphorina citri is remarkably reduced, ovarian development is abnormal, the titer of Candidatus Liberibacter asiaticum in the ovarian is remarkably reduced, and the miR-7 agonist has a good application prospect for preventing and treating diaphorina citri and then preventing and treating the Candidatus Liberibacter

The present invention relates to the chemical synthesis of cannalactone, an adaptation of this synthesis leading to deuterium labeling of cannalactone, and the use of deuterium-labeled cannalactone to perform the assay of natural cannalactone from exudates or tissues of the hemp plant.

Provided is a sustained-release pheromone preparation that can be easily installed and stably retained in an installation location, and is comprised of at least one pheromone substance-containing polymer tube with both ends sealed or pheromone substance-containing polymer rod, wherein(a) a closed space is formed in a front view by bending in an arc and crossing the tube or rod, and the preparation is not crossed in a side view;(b) a curvature radius established is 4 to 17 mm;(c) a linear distance from a top point of an arc to a crossover point is 25 to 70 mm; and(d) a repelling force when opening the crossover point to establish a clearance of 20 mm in the front view is 0.5 N or larger.

The invention relates to a combined mouse and insect killing composition, a combined mouse and insect killing bait and a combined mouse and insect killing method for simultaneously inhibiting reproduction of field mice and killing ectoparasites of the field mice. The combined mouse and insect killing composition comprises ivermectin and atrazine, the weight ratio of the ivermectin to the atrazine is (1-9): (9-90). The mouse and insect combined killing bait comprises the mouse and insect combined killing composition and basic bait. The combined mouse and insect killing method comprises the step of applying the combined mouse and insect killing composition or the combined mouse and insect killing bait to wild mice. The mouse and insect combined killing composition and bait can control the population density of mice by inhibiting the reproductive system function of the mice in the field on the premise of not directly killing the mice, and meanwhile effectively kill parasites such as fleas, ticks and the like on the body surfaces of the mice, and block a disease transmission chain. Therefore, the combined mouse and insect killing composition and the bait have the combined control effects of inhibiting reproduction of field mice and killing ectoparasites of the field mice.

This invention relates to the application of the lola gene as a target in the control of fall armyworm, belonging to the field of biotechnology for pest control. It involves the application of the lola gene as a target in pest control or the preparation of biological products for pest control. Using the fall armyworm as the research object, this invention uses the lola gene as a molecular target, combines CRISPR / Cas9 gene editing technology, and develops a highly efficient sgRNA target site for its knockout. By utilizing the effect of Lola in inhibiting the production of female eggs in fall armyworms, its reproductive capacity is reduced, thereby achieving the purpose of control. This method is convenient to operate, effective, and sensitive, enabling long-term effective control of pest populations. It also significantly reduces the negative environmental impact of chemical pesticide use and avoids the risk of pests developing resistance due to long-term exposure to chemical pesticides, providing an innovative solution for sustainable agriculture.

The invention belongs to the technical field of agriculture, discloses a dsRNA biopesticide preparation based on a nano-carrier and a preparation method and application of the dsRNA biopesticide preparation, and particularly discloses a nano-composite which comprises the nano-carrier and dsRNA, the dsRNA is loaded on the nano-carrier, and the dsRNA targets a chitin synthetase gene (CHS) or a v-type proton ATPase subunit B gene (V-ATPaseB). The invention provides a nano-composite containing dsRNA of a targeted CHS gene or V-ATPaseB gene, and the nano-composite is used as a novel biological pesticide preparation and has a good pest control effect and a good plant leaf protection effect. The nano-carrier used by the nano-composite can effectively deliver dsRNA, so that the dsRNA is prevented from being degraded in pest bodies, and the delivery efficiency is improved.

The present disclosure generally relates to polynucleotide constructs comprising a feline alphaherpesvirus 1 (FeHV-1) genome modified by inserting one or more nucleic acid sequences into the non-coding region between two convergent FeHV-1 genes of the FeHV-1 genome, wherein the one or more nucleic acid sequences encode one or more feline reproductive protein antigens that can stimulate an immune response to reduce the incidence of pregnancy, and uses thereof.

The invention discloses a formula and application of a compound infertility agent containing clarithromycin and quinestrol and based on CYP enzyme activity inhibition. The clarithromycin composition comprises clarithromycin, quinestrol and baits. The CYP enzyme inhibitor and the endocrine sterilant are combined for use, so that the synergist can effectively inhibit the activity of CYP enzyme in tissues such as livers of rats, the metabolic clearance rate of the sterilant is remarkably reduced, and the oral bioavailability and the system exposure level of the sterilant are improved. Therefore, when the same infertility effect is achieved, the use dosage of the infertility agent can be greatly reduced, so that the cost is saved, and the environmental load is reduced; or under the same dosage, a more thorough and more lasting population sterility effect can be obtained, and the practicability and competitiveness of a pest mouse sterility control technology are greatly improved.

The invention provides a pomacea canaliculata oocyst incubation inhibitor, a water body pomacea canaliculata and an oocyst comprehensive prevention and treatment method thereof.The pomacea canaliculata oocyst incubation inhibitor is prepared from, by weight, 0.2-0.5 part of azadirachtin, 1-2 parts of guanidine hydrochloride, 1-2 parts of trypsin, 0.05-0.2 part of polyether modified heptamethyltrisiloxane, 1-2 parts of barite powder and 100 parts of water. The comprehensive prevention and treatment method comprises the steps that comprehensive prevention and treatment of the water body pomacea canaliculata and the oocysts of the pomacea canaliculata are conducted in the mode that the pomacea canaliculata killing reagent and the pomacea canaliculata oocyst incubation inhibitor are combined, the pomacea canaliculata killing reagent rapidly kills pomacea canaliculata larvae and adults, and the pomacea canaliculata oocyst incubation inhibitor inhibits pomacea canaliculata While larvae and adults of the pomacea canaliculata are killed, incubation of newborn oocysts is inhibited synchronously, incubation of the newborn oocysts is blocked to supplement populations, and breeding and spreading of the pomacea canaliculata are controlled through a comprehensive prevention and control system.

The invention provides application of geraniol in inhibition of egg laying and egg incubation of tea lesser leafhopper, and belongs to the technical field of pest control. Empoasca flavescens oviposition and egg incubation are inhibited by fumigating geraniol. The influence of geraniol with different concentrations on the egg laying amount and egg hatching rate of the tea lesser leafhoppers is researched, and the result shows that egg laying and egg hatching of the tea lesser leafhoppers can be remarkably inhibited by adopting geraniol with the concentration of 1%, 5% and 10% for fumigation treatment. The geraniol can effectively reduce the population growth rate of the tea lesser leafhopper, is expected to be prepared into a natural preparation for preventing and treating the tea lesser leafhopper, and has the advantages of safety, high efficiency and sustainability.

The present disclosure relates to an agricultural composition with a granular material containing acetic acid, a biodegradable polymer miscible with acetic acid, and an inorganic additive. The agricultural composition may have a coating film that coats the granular material.

Disclosed is a composition or formulation and methods for inducing Systemic Acquired Resistance (SAR) in plants, optimizing plant health, increasing yields, improving crop quality, and resisting pathogens and pests, and suppress plant virus. Also disclosed are a method of initiating and inducing a superior SAR response by application of and method of treatment with a formulation of salicylate molecules. Further disclosed is a method of preventing viral infections, suppressing plant virus in infected plants, returning plants to an outwardly healthy state, and achieving a successful harvest.

The application discloses application of gelsevine in inhibition of oviposition of carpophilus humeralis. It is found that gelsevine has excellent inhibitory effect on oviposition of carpophilus humeralis, and can be applied to inhibition of oviposition of carpophilus humeralis, especially to prevention and treatment of carpophilus humeralis, and has certain research value, and provides a new method for prevention and treatment of carpophilus humeralis.

Systems, methods, and computer programs disclosed herein relate to determining the efficacy of one or more crop protection products against harmful organisms based on a genetic profile.

The present disclosure relates generally to a polynucleotide construct comprising a Felid alphaherpesvirus 1 (FeHV-1) genome modified by insertion of one or more nucleic acid sequences into a non-coding region between two convergent FeHV-1 genes of the FeHV- 1 genome, wherein the one or more nucleic acid sequences encode for one or more feline reproductive protein antigens; capable of stimulating an immune response to reduce the occurrence of a pregnancy, and uses thereof.

This invention belongs to the field of plant protection, specifically relating to the application of eugenol in the control of wheat aphid. The research of this invention demonstrates the repellent, contact-killing, and fumigation effects of eugenol on the agricultural pest wheat aphid. The effects of eugenol on the growth and development of the agricultural pest wheat aphid were assessed using sex life table software, evaluating key parameters of wheat aphid growth and development and population changes at sublethal concentrations. The results showed that eugenol treatment can adversely affect the growth and development of wheat aphids, such as reducing survival and reproductive rates, and decreasing population size. Furthermore, eugenol has a certain synergistic effect with commonly used insecticides. Therefore, this invention has application value in the control of wheat aphids.

The invention discloses application of emamectin benzoate, an attractant and a preparation method and application of the attractant, and belongs to the technical field of pest control. The emamectin benzoate is applied to preparation of the attractant for inhibiting fruit fly breeding. The attractant is prepared from the following raw materials: emamectin benzoate mother liquor, grape juice, water, brown sugar, corn flour, yeast powder, agar powder and propionic acid. According to the application of the emamectin benzoate, the attractant and the preparation method and application of the attractant, the attractant prepared by adding the emamectin benzoate is used for controlling reproduction of the drosophila melanogaster, a very good effect can be achieved with the extremely low concentration of the emamectin benzoate, and the emamectin benzoate is efficient, low in toxicity and environmentally friendly.

The invention discloses a rodent sterilant synergist and application of the rodent sterilant synergist in preparation of sterilant bait. According to the invention, ketoconazole with relatively strong CYP enzyme inhibitory activity is taken as a synergist and is compounded with mifepristone and baits to form the compound sterilant for harmful rats. Wherein ketoconazole can effectively inhibit the activity of CYP enzyme, significantly reduce the metabolic clearance rate of mifepristone, improve the oral bioavailability of mifepristone, maintain the same sterility prevention and control effect, greatly reduce the use dosage of the sterilant, and realize reduction and synergy. The compound pest sterilant provided by the invention solves the problems of poor killing effect, short lasting effect, fast rebound, high cost, easy generation of drug resistance and accidental killing of natural enemies and non-target organisms in the existing single use of a steroid hormone sterilant, and provides a new solution for sustainable control of pest.

Post-transcriptionally chemically modified double-stranded RNA (MdsRNA) with high molecular weight polyalkyloxy modifications at the 2'-OH position are described. This modification allows for greater bioavailability of the compound, superior stability of the compound, and allows for greater stability against nucleases. MdsRNA can be produced economically in a readily scalable manner. Compositions of MdsRNA with chemically modified nucleotides are described, such that the MdsRNA is modified to include high molecular weight polyalkyloxy polymers. Synthetic methods for efficiently making these MdsRNA and methods of using the MdsRNA are described.

The present invention discloses a synergistic nano microemulsion for rodent sterilants and its application. The synergistic nano microemulsion for rodent sterilants comprises span80, sodium dodecyl diphenyl ether disulfonate, isomeric alcohol polyoxyethylene ether, diethylene glycol, hydrogenated castor oil polyoxyethylene ether and water. The volume ratio of span80, sodium dodecyl diphenyl ether disulfonate, isomeric alcohol polyoxyethylene ether, diethylene glycol, hydrogenated castor oil polyoxyethylene ether and water is 10-20:20-50:20-50:20-50:20-50:1000-2000. The synergistic nano microemulsion for rodent sterilants used in the present invention reduces the dosage of rodent sterilants by about 50%, saves costs, reduces the environmental residues of the drug and reduces the risk to other non-target organisms.

The invention belongs to the technical field of biological prevention and control of agricultural pests, and particularly relates to application of a collagen gene Col15 in regulation and control of chilo suppressalis female sterility and green prevention and control. The key effect of Col15 in development of ovaries of chilo suppressalis is disclosed for the first time through bioinformatics identification, expression profile analysis, RNA interference and CRISPR / Cas9 gene editing technologies. Through targeted inhibition or interference of gene expression, ovarian development can be severely blocked, collagenous fiber deposition is reduced, oocyte maturation is blocked, the mating rate, the egg laying amount and the egg hatching rate of female insects are remarkably reduced, and finally female sterility is achieved. The invention provides a brand new target and technical support for developing a novel green pest prevention and control technology based on female reproduction regulation, has the characteristics of accurate technical effect, environment friendliness and strong sustainability, and has wide application prospects in biological treatment of pests.

The invention relates to a novel amorphous natamycin, compositions comprising it, the use of amorphous natamycin or of the compositions in food, feed, crop or pharmaceutical products, and a manufacturing process to obtain the amorphous natamycin.

The invention relates to the technical field of wheat hybridization agents, in particular to a wheat chemical hybridization agent composition and a use method thereof. The composition is prepared from 2-(4-methoxy-6-methyl-1, 3, 5-triazine-2-yl methyl amino carbonyl amino sulfonyl) methyl benzoate, NE1820, gibberellic acid, sodium tetraborate and sodium dodecyl benzene sulfonate. Under the dosage of 3.6 kg / hm < 2 > of the chemical hybridization agent composition for wheat, the sterile plant rate is stabilized at 95-100%, and the emasculation effect is thorough; the method has no influence on the activity of wheat pistil, is normal in fruiting and almost has no phytotoxicity, and is generally effective for 23 varieties with different genotypes; cH1 is used as a mature herbicide, the price is far lower than that of a special hybridization agent, and the seed production cost can be greatly reduced. In conclusion, the chemical hybridization agent integrates the advantages of high efficiency, safety, broad spectrum, low price and the like, is an ideal novel wheat chemical hybridization agent with great application prospects, and provides a reliable solution for large-scale popularization of hybrid wheat.

The invention discloses a formula and application of a compound infertility agent containing ketoconazole and quinestrol and based on CYP enzyme activity inhibition. Ketoconazole, quinestrol and specific baits are compounded to form the reduction and synergism type compound rodent pest sterilant, ketoconazole can effectively inhibit CYP enzyme activity, obviously reduce the metabolic clearance rate of quinestrol and improve the oral bioavailability of quinestrol, and the use dosage of the sterilant is greatly reduced while the same sterility prevention and control effect is maintained. The compound pest sterilant provided by the invention solves the common problems of poor killing effect, short lasting period, fast rebound, high cost, easy generation of drug resistance, accidental killing of natural enemies and non-target organisms and the like existing in the existing single use of steroid hormone sterilant, and provides a new solution way for sustainable control of pest.

Provided is an improved method to facilitate breeding hybridization by using chemicals to prevent flower self-pollination in sunflower and other species, bypassing the need for manual emasculation. The high labor cost associated with the production of hybrid seeds in some key crops and some certain plant species is a persistent challenge, due to the laborious and highly specialized nature of the current method of manual emasculation.

The application discloses application of alstonic acid B or gelsevitin VI in inhibition of oviposition of Amphicercidops beesleyi. It is found that alstonic acid B or gelsevitin VI has excellent inhibitory effect on oviposition of female Amphicercidops beesleyi, and can be applied to inhibition of oviposition of female Amphicercidops beesleyi, especially to prevention and control of Amphicercidops beesleyi, and has certain research value, and provides a new method for prevention and control of Amphicercidops beesleyi.