54 results about "Mating disruption" patented technology

The invention relates to a mating disruption agent. The invention discloses a mating disruption agent for controlling codling moths and oriental fruit moths, wherein the codling moth mating disruption agent comprises trans-8, trans-10- dodecadienoic-1-alcohol, lauryl alcohol, tetradecyl alcohol, cetyl alcohol and an antioxidant in a weight ratio of (1-100):(5-100):(5-100):(1-50):(1-20); and the oriental fruit moth mating disruption agent comprises (Z)-8-dodecanyl acetate, trans-8-dodecanyl acetate, (Z)-8-dodecanyl-1-alcohol, lauryl alcohol, tetradecyl alcohol, cetyl alcohol and an antioxidant in a weight ratio of (1-100):(1-20):(1-20):(5-100):(5-100):(1-50):(1-20). All components of the mating disruption agent are uniformly mixed and loaded in a sustained-release vector. The mating disruption agent has the advantages of environmental friendlessness, safety to natural enemies, convenience of operation and low cost; moreover, when the mating disruption agent is used for controlling the codling moths and the oriental fruit moths in a large area, higher economical and social benefits are created.

Systems and methods of preventing or reducing crop damage from pests are provided. In one embodiment, the method comprises: a) applying a mating disruption tactic to a field plot; and b) disrupting expression of one or more target genes in one or more pests, wherein crop damage is reduced in the field plot. In another embodiment, the method comprises applying an attract-and-kill tactic to a field plot, wherein said attract-and-kill tactic comprises: a) applying one or more semiochemicals or factors; and b) disrupting expression of one or more target genes in one or more pests, wherein said disruption is capable of killing the one or more pests, wherein crop damage is reduced in the field plot.

A system and method of application and dispersion of mating disruption materials or other materials to control insect population. Disclosed is an apparatus designed to be carried by a ground vehicle, or aerial means, which implements a method of insect population control. The apparatus features one or more removable vacuum reservoirs that contain a mating disruption formulation in cylinders or bags. The vacuum bags or vacuum cylinders are seated upon one or more computer controlled peristaltic pump heads, housed in a insulated controlled environment box, that pump the material to one or more forming nozzles. Once formed the material drops into the wind stream of one or more tangential vortex type fans. Maintaining its size and shape, the mating disruption material will travel through the air field, and become attached in the trees where it will omit a flume of sex pheromones that disrupt the ability of the male insect in finding the female insect, breaking the mating cycle of the insect population. Thus serving to decrease the population by capitalizing on a weakness in the reproductive cycle of the citrus leaf miner or other insect.

Provided are a mating disruptant having an improved mating disruption effect against pest insects. Specifically, provided is a mating disruptant for the control of pest insects whose natural sex pheromone composition is substantially free of an alcohol and comprises one or more acetates, the disruptant comprising the one or more acetates and an alcohol or alcohols which can be derived from the one or more acetate, wherein an amount of each of the alcohol or alcohols is from 0.5 to 10% by weight relative to an amount of each deriving acetate; and a mating disruption method using the mating disruptant. The alcohol which can be derived from the acetate is an alcohol obtainable by hydrolysis of the acetate and means an alcohol component of the ester derived from an acid and the alcohol.

An insect trap for mating disruption or monitoring purposes, comprising an at least substantially hollow body for containing an insect-attractant. The body is defined by a plurality of contiguous walls having interior and exterior surfaces, the interior surface of one or more of the plurality of contiguous walls at least partially covered with adhesive. The exterior surfaces define substantially flat faces, and adjacent ones of the plurality of contiguous walls meeting to define edges. At least one opening is defined in each of a majority of the contiguous walls, at least one of the openings being dimensioned to permit the ingress of insects into the interior of the body.

The invention discloses a conopomorpha sinensis bradley prevention and control composition including the following components by weight: 20-80 parts of trans-4, 6-cis-10-hexadecyl triene acetate, 5-35 parts of cis-9-hexadecenol acetate, 5-35 parts of trans-9-hexadecenol acetate and 10 parts of n-dodecyl alcohol. The conopomorpha sinensis bradley prevention and control composition is used for disturbing mating behavior of imago so as to reducing the amount of the larva. The conopomorpha sinensis bradley prevention and control composition is simple in formula and has good mating disruption effect, shows excellent control effect and greatly reduces the base number of the larva in fields during use in fruit tree pest insect conopomorpha sinensis bradley prevention and control, and has a huge advantage in the conopomorpha sinensis bradley prevention and control.

The invention relates to a holcocerus vicarious walker sex attractant, aiming at solving the problem of prevention and control of holcocerus vicarious walker. The active ingredient of the holcocerus vicarious walker sex attractant comprises the following components: more than one of cis-7-tetradecene alcohol acetic ester, cis-3-tetradencene alcohol acetic ester, cis-3-trans-5-tetradecene alcohol acetic ester and cis-3-tetradencene alcohol in different weight portions. The sex attractant can be used for pest forcast, mating disruption or trapping massive holcocerus vicarious walker adults, chemical pesticide is not used, thus being environment-friendly and safe and being convenient to use, and meanwhile cost is low, duration is long, and the aim of effectively preventing and controlling holcocerus vicarious walker is achieved, thus having obvious biological benefit and economic benefit.

Provided are a novel sex pheromone composition of peach fruit moth which is expected to be used in emergence forecast, mass trapping and mating disruption and has higher attractiveness than that of conventional sex pheromone compositions; and a sex attractant, a mating disruptant and a control method comprising the novel sex pheromone composition as an active ingredient. Specifically provided are a novel sex pheromone composition of peach fruit moth comprising (Z)-7-tricosene and (Z)-13-eicosen-10-one, a sex attractant and a mating disruptant comprising this sex pheromone composition, and a method for controlling peach fruit moth using this sex pheromone composition.

The invention discloses a method for synthesizing cis-7- tetradecenol acetate which is a main component of sex pheromone of holcocerus vicarius walker. The method includes (1), preparing (7-bromo-heptyl-1-)-2-tetrahydropyran ether; (2), preparing (7-bromo-heptyl-1-)-2-tetrahydropyran ether phosphonium; (3), preparing cis-7-tetradecenol tetrahydropyran ether; (4), preparing cis-7-tetradecenol; and (5), preparing the cis-7-tetradecenol acetate. The method for synthesizing the cis-7-tetradecenol acetate which is the main component of sex pheromone of holcocerus vicarius walker has the advantages that raw materials are easily available, the method is easy and convenient to implement, low in cost, high in product yield, free of risks and applicable to large-scale production, solvents are common solvents, technological processes are short, synthesis reaction conditions are mild, and products are easy to separate; contents of artificially synthesized sex pheromone can be enriched, basic chemical compounds can be provided for insect pest condition monitoring, mass trapping, mating disruption and the like on the holcocerus vicarius walker by the aid of the sex pheromone, and accordingly the method is obvious in ecological benefits and economical benefits.

The invention discloses lygus pratensis linnaeus attractant and applications thereof. The lygus pratensis linnaeus attractant comprises components in parts by weight as follows: 45-79 parts of hexyl butyrate, 10-20 parts of 4-carbonyl-trans-2-hexenal, 10-20 parts of trans-2-hexenyl butyrate, 1-5 parts of trans-2-hexenyl acetate, 0.8-4 parts of methyl myristate, 0.2-2 parts of 4-methyl pentyl butanoic acid and 0.2-2 parts of (Z)-3-hexenol butanoic acid. The lygus pratensis linnaeus attractant can be accurately applied to insect situation prediction, mass entrapment and mating disruption of lygus pratensis linnaeus and has significance on comprehensive treatment of lygus pratensis linnaeus.

Provided is a mating disruption method capable of bringing a stable and effective mating disruption result. Specifically provided is a mating disruption method comprising a step of starting to apply a mating disruptant after mating and oviposition of imagoes of the first generation of an insect pest are substantially over and before imagoes of the second generation of the insect pest emerge, the mating disruptant targeting at least one kind of insect pest which contains one or more kinds of acetates as a natural sex pheromone, the insect pest being selected from the group consisting of tortricid ( Leafroller ), armyworm ( Spodoptera ), Sesiidae (Synanthedon), pink bollworm ( Pectinophoragossypiella : PBW), European grapevine moth ( Lobesia botrana : EGVM), tomato pinworm ( Keiferia lycopersicella : TPW), light brown apple moth ( Epiphyes postvittana ), Grapholita dimorpha Komai ( Grapholita dimorpha ), apple leafminer ( Phyllonorycter ringoniella ), tomato leafminer ( Tuta absoluta ) and European goat moth ( Cossus cossu s), all of which are substantially free of alcohol derived from the acetates as well as oriental fruit moth ( Grapholitha molesta : OFM) and omnivorous leafroller ( Platynota stultana ), both of which contain 1.5% by weight or less of alcohol or alcohols derived from the acetates; and the mating disruptant comprising the acetates and the alcohol or alcohols derived from the acetates wherein each amount of the alcohol or alcohols is 1.5 to 10% by weight relatively to each amount of the acetates.

The invention relates to bactrocera minax sex pheromone, and an extraction method and an application thereof. A main active component of the bactrocera minax sex pheromone provided by the invention is undecanol. The extraction method of the bactrocera minax sex pheromone comprises the steps of immersing bactrocera minax sex pheromone in a mating season in ethyl ether for 20 s-300 s; analyzing by using a gas chromatography-mass spectrometer to obtain chemical components of an extract liquid; and determining activities of the chemical components in the extract liquid by using a Y-type olfactometer. The bactrocera minax sex pheromone provided by the invention can be used as a sex attractant for monitoring field occurrence conditions of the bactrocera minax and disturbing mating of the bactrocera minax by mating disruption, and can be used as an attractant to trap and kill the bactrocera minax. The extraction method of the bactrocera minax sex pheromone is simple in operations, high in reproducibility and small in required bactrocera minax amount. Besides, a preparation period is short and result reliability is high.

A system and method of application and dispersion of mating disruption materials or other materials to control insect population. Disclosed is an apparatus designed to be carried by a ground vehicle, or aerial means, which implements a method of insect population control. The apparatus features one or more removable vacuum reservoirs that contain a mating disruption formulation in cylinders or bags. The vacuum bags or vacuum cylinders are seated upon one or more computer controlled peristaltic pump heads, housed in a insulated controlled environment box, that pump the material to one or more forming nozzles. Once formed the material drops into the wind stream of one or more tangential vortex type fans. Maintaining its size and shape, the mating disruption material will travel through the air field, and become attached in the trees where it will omit a flume of sex pheromones that disrupt the ability of the male insect in finding the female insect, breaking the mating cycle of the insect population. Thus serving to decrease the population by capitalizing on a weakness in the reproductive cycle of the citrus leaf miner or other insect.

A method for achieving increased effectiveness when using a synthetic pheromone composition to cause mating disruption among insect pests such as the navel orangeworm. Makes use of automated dispensers such as aerosol dispensers strategically placed throughout and area of treatment such as an orchard or field and configured to initiate the timed release of an attractant composition such as a synthetic pheromone. In at least one case the attractant composition is a synthetic pheromone comprising (Z,Z)-11, 13-hexadecadienal, and at least one of the following (Z,Z,Z,Z,Z)-3, 6, 9, 12, 15-tricosapentaene, (Z,Z,Z,Z,Z)-3, 6, 9, 12, 15-pentacosapentaene, (Z,Z)-11, 13-hexadecadien-1-ol. The attractant composition is mixed and loaded into the dispensers for distribution in aerosol form. Once the dispensers are loaded to hang in the air during periods of heightened insect pest activity so that mating behavior of the targeted pest population is effectively disrupted. Mixed with stabilizing carrier for prolonged use during growing season.

The invention discloses a sex pheromone for controlling macdunncughna crasssisigna warren. Macdunncughna crasssisigna warren pheromones comprise one or a plurality of types of cis-11-hexadecene acetate, cis-9-trans-12-tetradecene acetate and hexadecene acetate, and a mass ratio of the macdunncughna crasssisigna warren pheromones is 1.0-3.6:0.75-2:0.5-1.2. The sex pheromone has the advantages thatthe sex pheromone is low in dosage, is environmentally friendly and can be accurately applied to insect pest situation forecasting, mass trapping and mating disruption; effects of comprehensively managing the macdunncughna crasssisigna warren can be obviously improved, and accordingly the sex pheromone has important significance in comprehensively managing the macdunncughna crasssisigna warren.

The invention discloses an attractant composition for preventing and controlling agrotis ypsilon. The attractant composition is prepared from an agrotis ypsilon sex pheromone component and a synergist, wherein the agrotis ypsilon sex pheromone component is one or more of cis-7-dodecenyl acetate, cis-9-tetradecenyl acetate and cis-11-hexadecenyl acetate; the synergist comprises one or more of cis-7-dodecenyl-1-ol propionate, cis-11-hexadecenyl-1-ol-methanesulfonate and cis-8,cis-10-dodecenyl dienyl methyl ketone. The attractant composition disclosed by the invention has the advantages of small dosage and environment friendliness, and also can be accurately applied to insect condition prediction, mass trapping and mating disruption; the effect of comprehensively managing the agrotis ypsilon is remarkably improved; the attractant composition disclosed by the invention has important meaning on comprehensive management of the agrotis ypsilon.

The invention relates to the technical field of preparation of insect sex pheromone, in particular to a lobesia botrana sex attractant as well as a preparation method and an application thereof. The lobesia botrana sex attractant comprises (E,Z)-7,9-dodecenyl acetate (E7,Z9-12:Ac) and (Z)-9-dodecenyl acetate (Z9-12:Ac). The provided lobesia botrana sex attractant is simple to prepare, has diversified dose forms, is simple to use, has high trapping capability, good stability and high specificity, does not produce resistance, has no harm to enemies, is non-toxic to human and animals, environmentally friendly and long in lasting period and has the control effect maintained for 30 d or longer. The lobesia botrana sex attractant can be applied to pest quarantine, insect pest situation monitoring, mass trapping and mating disruption of lobesia botrana and has great significance in comprehensive control of the lobesia botrana.

The invention discloses Xestia c-nigrum attractant composition and an application thereof and belongs to the technical field of preparation of insect sex pheromones. The Xestia c-nigrum attractant composition is prepared from a Xestia c-nigrum sex pheromone and a synergist in a weight ratio being 1: (0.5-100), wherein the main ingredients of the Xestia c-nigrum sex pheromone are cis-7-tetradecenyl acetate, cis-5-tetradecenyl acetate and trans-5-tetradecenyl acetate, and the synergist is one or more of the following plant volatile substances: 1-hexanol, phenylacetaldehyde, cis-3-hexen-1-ol, heptaldehyde and linalool. The Xestia c-nigrum attractant composition can be applied to condition prediction, mass trapping and mating disruption of Xestia c-nigrum accurately and has great significance in comprehensive treatment of the Xestia c-nigrum.

The invention relates to tea geometrid male adult attractant based on a tea plant volatile matter and belongs to the technical field of green prevention and control of pests by using semiochemicals. The component of the attractant comprises, by weights, 1.5 to 120 parts of cis-hexenyl acetate, 0.5 to 40 parts of cis-3- hexenyl butyrate, 1.5 to 120 parts of benzyl alcohol, 0.5 to 240 parts of cis-3-hexenal, 0.001 to 0.02 parts of 2.6-butylated hydroxytoluene and 0.001 to 0.02 parts of 2-Dihydroxy-4-methoxybenzophenone. The tea geometrid male adult attractant can be used for monitoring a plurality of aspects of population emergence dynamic, mass trap and mating disruption of tea geometrid adults. The lasting period of the tea geometrid male adult attractant can last 30 to 50 days. The trapping effect of the tea geometrid male adult attractant on the tea geometrid is 1.96 times of cis-hexenylacetate acctractant, and the tea geometrid male adult acctractant has remarkable synergism.

The invention discloses an anomala corpulenta motschulsky luring agent composition as well as an application and a luring core thereof. The anomala corpulenta motschulsky luring agent composition comprises an anomala corpulenta motschulsky sex pheromone and a synergist, wherein the weight ratio of the anomala corpulenta motschulsky sex pheromone to the synergist is 1:(0.5-3), wherein the anomala corpulenta motschulsky sex pheromone comprises a main component-5-myristyl dihydro-2(3H)-furanone, and the synergist is selected from at least one of geraniol, eugenol and phenylethyl propionate. The anomala corpulenta motschulsky luring agent composition provided by the invention can be accurately applied to anomala corpulenta motschulsky insect pest situation observation and prediction, massive trapping, and mating disruption, and has important significance on comprehensively treating anomala corpulenta motschulsky.

Provided is a mating disruption method capable of bringing a stable and effective mating disruption result. Specifically provided is a mating disruption method comprising a step of starting to apply a mating disruptant after mating and oviposition of imagoes of the first generation of an insect pest are substantially over and before imagoes of the second generation of the insect pest emerge, the mating disruptant targeting at least one kind of insect pest which contains one or more kinds of acetates as a natural sex pheromone.

The invention discloses an Agrotis segetum sex pheromone and an application thereof. The Agrotis segetum sex pheromone has one or more components selected from the group consisting of cis-7-dodecene acetate, cis-9-tetradecene acetate and cis-9-hexadecene aldehyde, wherein the mass ratio of the components of the Agrotis segetum sex pheromone is (1.0-4.0): (0.05-0.2): (0.01-0.1). The sex attractantprovided by the invention has the advantages of simple preparation, easily available raw materials, strong trapping ability, good stability, long duration, strong specificity, no resistance to Agrotissegetum, harmlessness to human and livestock, environmental friendliness, strong stress resistance and convenient use. The Agrotis segetum sex attractant provided by the invention can be accurately applied to Agrotis segetum condition prediction, mating disruption and mass trapping, and has important significance on comprehensive treatment of the Agrotis segetum.

The invention discloses a sex-attractant halogenated analogue for preventing agrotis ypsilon. The sex-attractant halogenated analogue comprises an agrotis-ypsilon sex pheromone component and a halogenated pheromone analogue thereof, wherein the halogenated pheromone analogue is selected from one or more of cis-7-dodecenyl-2-monofluoroacetate, cis-9-tetradecenyl-2, 2-dichloroacetate, cis-7-dodecenyl-2, 2-difluoroacetate. The sex-attractant halogenated analogue disclosed by the invention has the advantages that male agrotis ypsilons can be trapped more effectively, the reproduction rate can be reduced, and the extinction of pest populations is gradually controlled, so that the purpose of preventing pests is achieved. The sex-attractant halogenated analogue disclosed by the invention is not only less in use amount and environmental-friendly, but also can be accurately applied in insect condition prediction, mass trapping and mating disruption, and plays an important role in comprehensive treatment of the agrotis ypsilon.

A composition of (Z)-11-tetradecenyl acetate and (Z)-11-tetradecenal in a weight ratio of about 50:50 to about 90:10 is a highly effective mating disruptant for the male Orange Tortrix and Omniverous Leafroller moths. In a preferred embodiment, the weight ratio of (Z)-11-tetradecenyl acetate and (Z)-11-tetradecenal is about 75:25. The composition demonstrates biological activity in the form of enhanced mating disruption efficacy that is greater than any discovery or development to date for the Orange Tortrix of the Omniverous Leafroller.

The invention discloses a compound and an application of the compound in preparation of an orseolia oryzae sex attractant. The compound is (6S)-6-acetoxyl-2-heptanone, and a structural formula of the compound is represented as a formula I. The compound can cooperate with (6S)-6-acetoxyl-2-heptanone to be taken as the orseolia oryzae sex attractant or can be independently taken as the orseolia oryzae sex attractant, and the compound can be used for performing population monitoring and comprehensive control of orseolia oryzae. The orseolia oryzae sex attractant prepared from the compound and a lure of the orseolia oryzae sex attractant can be applied to: (1) orseolia oryzae population monitoring and prediction; (2), mass trapping; (3), mating disruption. The sex attractant prepared from the sex pheromone (namely, the compound) and the lure of the sex attractant can be used for performing population monitoring and comprehensive control on the orseolia oryzae, and the sex attractant has the advantages of low cost and high efficiency and is suitable for predicting the occurrence rule of pests hiding in insect galls.

The invention provides a sex attractant of carposina coreana which is expectable to be used for occurrence prediction, mass trap and mating disruption, and an attracting agent with the same as a main component. Specifically, the invention provides a sex attractant of carposina coreana at least comprising at least (Z)-7-tricosene and (Z)-13-eicosene-10-one, and a sex attracting agent of carposina coreana with the same as a main component.

The invention relates to the technical field of equipment for preparation of sex pheromone for mating disruption, in particular to an encapsulation hot press. The encapsulation hot press comprises a machine frame, an encapsulation device arranged on the machine frame, a hot-pressing sealing device, a shearing device and a control device, wherein the encapsulation device is used for luring agent encapsulation of a carrier of sex pheromone for mating disruption, the hot-pressing sealing device is used for heating and sealing the encapsulated carrier of sex pheromone for mating disruption, the shearing device is used for shearing the sealed carrier of sex pheromone for mating disruption, and the control device controls the encapsulation device, the hot-pressing sealing device and the shearing device to act. By the adoption of the equipment for preparation of sex pheromone for mating disruption, automatic degree is high, production efficiency is improved greatly, and the problems of the prior art that sex pheromone for mating disruption is usually prepared manually, production efficiency is extremely low, bulk production can not be achieved, market requirements can not be met, and cost is quite high are solved.

The invention discloses an active composition based on camphor and n-octyl alcohol. The active composition is prepared from the following components in parts by weight: 30 to 60 parts of the camphor, 15 to 50 parts of the n-octyl alcohol, 5 to 30 parts of nonyl aldehyde and 2 to 18 parts of linalool. The invention further provides a chilo suppressalis attractant composed of the active composition and a non-volatile organic solvent, and a chilo suppressalis lure for packaging the chilo suppressalis attractant in a mating disruption thread. The active composition disclosed by the invention can be used for directly luring female moths and male moths of chilo suppressalis; the control efficiency on the chilo suppressalis is higher than that of a sex attractant and the active composition can be used for trapping and killing a large amount of the chilo suppressalis, remarkably reducing the quantity of chilo suppressalis adults in the field and reducing the population density of descendants. The active composition also can be used for predicating the chilo suppressalis and the quantity of attracted and trapped insects can accurately predicate the population dynamic of the chilo suppressalis.

The invention discloses a balataea funeralis sex attractant which comprises the following substances in percentage by weight: 30-40 percent of trans-8-dodecenyl acetate, 28-42 percent of cis-7-hexadecenal, 5-12 percent of 4-carbonyl-trans-2-hexenal, 3-7 percent of cis-3-hexenyl acetat, 1-3 percent of butyl carbonyl anisole, 3-8 percent of 2,6-di-tert-butyl-p-phenol and the balance being a solvent. The balataea funeralis sex attractant is obtained by repeated tests in a lab and a forest; the balataea funeralis sex attractant is favorable for protection of natural enemies as being used in application in insect pest situation forecasting, and also massive trapping or mating disruption; the use of a chemical pesticide is avoided; the balataea funeralis sex attractant is environment-friendly, safe, convenient to use, low in cost and long in lasting period; the aim of effectively preventing balataea funeralis can be fulfilled; the balataea funeralis sex attractant has obvious ecological and economical benefits.