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Embrapa researchers in Brazil receive a pheromone patent
Jul. 25, 2014
BrazilEmbrapa staffs in Brazil recently received a pheromone patent, which attracts several species of bedbugs to the soy complex, including the stink bug (Euschistus heros). The patent registration was granted by the National Institute of Industrial Property has as its active ingredient 2,6,10 trimethyltridecanoate.
Named "Attraction composition, trapping and / or killing soybean bug Piezodorus guildinii", the patent is a result of 15 years of researches develope by the Embrapa staffs and partner institutions. The focus of those researches was the use of semiochemicals for biological control of bedbugs that act as pests on soybean crops in Brazil.
Researcher Miguel Borges and its staff have studied deeply these pheromones to supervise and reduce populations of bedbugs on soybean crops in Brazil. They started to raise bedbugs in laboratories to reproduce the nature's existing condition and extract the substance. The stink bug, the red banded stink bug (Piezodorus guildinii), and the southern green stink bug (Nezara viridula, or green vegetable bug in Australia and New Zealand) - constitute the complex of pest of majors risks to soybeans in Brazil, causing damages from the stage of pod filling to the seeds development.
Experiments in the field with this pheromone has showed the capture of Euschistus heros, Piezodorus guildinii, and Edessa Meditabunda. Even though the pherome is not produced by all of these species, cross attraction can occur as the researcher Miguel Borges explains "one species use the pheromone of others because they can find that oviposition site and food".
Source: AgroNews
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