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New insecticide approved for soybean worm control

Dow AgroSciences' Intrepid 2F insecticide has received registration from the U.S. Environmental Protection Agency for the control of soybean loopers, armyworms and other soybean worm pests.

Intrepid is an insect growth regulator effective against many species of lepidopteran insects, but has not demonstrated any toxicological effects to the most beneficial insects, mites, and pollinators such as lady beetles, lacewings, parasitic wasps, and bees. The active ingredient in Intrepid -- methoxyfenozide -- mimics the natural insect molting hormone, inducing a premature lethal molt of the larvae within hours of ingestion.

Intrepid offers extended residual activity of at least 14 days on treated foliage.

For use in soybeans, Intrepid should be applied at a rate of 4.0 to 8.0 fluid ounces an acre when the first signs of feeding damage from target pests appear, or when infestations reach threshold levels defined by the Extension officials or other qualified authorities. Higher rates in the approved range should be used for heavier infestations and in conditions where thorough coverage is more difficult.

No more than two applications -- or a maximum of 16 fluid ounces an acre -- of Intrepid are permitted on soybeans during a single season. After applying Intrepid, growers should allow at least 14 days between final application and harvest, and wait at least seven days after harvest before planting any other crop.

Dow AgroSciences' Intrepid 2F insecticide has received registration from the U.S. Environmental Protection Agency for the control of soybean loopers, armyworms and other soybean worm pests.

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