Fall armyworms are a major crop pest. Males genetically modified so that female offspring do not survive could offer a way to wipe out wild populations in a local area.
Fall armyworms genetically modified to wipe out wild populations of the pests have been released in corn fields in São Paulo State in Brazil in the first farm trial of the new technology. The test was a success and is now being expanded,Fall armyworms are in fact moth caterpillars. They get their name from the fact that they multiply very fast and feed on many plants.
. Conventional control methods aren’t working well because some strains have evolved resistance to many pesticides.at Oxitec. “Growers are struggling to control it through insecticidal means.” For its method of control, Oxitec took a strain of fall armyworm that is still susceptible to pesticides and modified males so that their female offspring
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