Sex releaser

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Love might be in the air on Valentine's Daymetaphorically speaking. But scientists have long debated whether love—or, at least, sexual attraction—is literally in the air, in the form of chemicals called pheromones. Creatures from mice to moths send out these chemical signals to entice mates.

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Alford, P. Sex pheromone-releaser distribution and release rate had pronounced effects on the mating success of Choristoneura fumiferana Clemens. Small field plot studies indicated an increase in mating disruption when the point source of the synthetic pheromone was increased in release rate and decreased in frequency per unit area.

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This application claims priority from Japanese Patent Application No. The present invention relates to a sustained pheromone releaser to be used in a so-called mating disruption method, that is, a pest insect control method by releasing a sex pheromone substance of the pest insect in a farm, thereby disrupting the mating behavior of the pest. The control of a pest insect by mating disruption is carried out by releasing, in the air, an artificially synthesized sex pheromone of the pest inset to be controlled, suspending it in the air, disrupting the communication between male and female for decreasing a mating rate and thereby controlling the reproduction of the insect pest.

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Human behaviors are probably influenced by invisible smell signals, just like all other animals. DOI: Powerful messages can be delivered by smell, a fact known long before the means by which they did so was discovered.

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Half a century after the discovery of pheromones in animals, scientists have yet to conclusively identify a single such chemical in humans. Yet the term is bandied about regularly in reference to people and the supposedly silent means by which they communicate. For certain, animals use pheromones to communicate nonverbally, transmitting the chemical signals often through air.

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A pheromone is a chemical that an animal produces which changes the behavior of another animal of the same species. Some describe pheromones as behavior-altering agents. Many people do not know that pheromones trigger other behaviors in the animal of the same species, apart from sexual behavior.

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Pheromones are chemicals emitted and secreted by an individual and received by another individual of the same species, in which they induce a species specific reaction. By far the greatest variety of pheromone-mediated systems occurs among insects. Sex pheromones chemicals, or blends of chemicals, emitted by an individual of one sex for the purpose of inducing sexual behaviors by members of the opposite sex are the only pheromone mediated system in common usage by members of all insect orders.

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Pheromones are substances which are secreted to the outside by an individual and received by a second individual of the same species. Many examples exist in animals but their role in humans remains uncertain since adults have no functioning vomeronasal organ, which processes pheromone signals in animals. Yet pheromones can be detected by the olfactory system although humans under develop and underrate their smelling sense. Pheromones may be present in all bodily secretions but most attention has been geared toward axillary sweat which contains the odorous androstenes.

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Get Instant Access. The term sex pheromone is generally used for compounds that modulate mating or increase the likelihood of sexual interactions between different individuals. Sexual communication via chemicals is probably the most prevalent type of chemical signaling and can be found in nearly all taxonomic groups ranging from bacteria to higher mammals.

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Chemicals produced by an animal to affect the behaviour or physiology of another member of the species are called pheromonesand at least some species in all the major animal groups are known to produce pheromones. These chemicals attract a potential mate from a distance, have specific sex or kin recognition, and involve many aspects of social behaviour. Among mammal s, pheromones may provide information about sex, age, genetic similarity, reproductive state, sexual arousal, dominance status, territorial boundary, time of last marking, and even emotional state, such as fear or anger.

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