Helen from Dalhart, Tx writes
According to the Spectracide Once & Done Insect Killer Product Label: For Vegetables- Mix 1.5 fl oz (3 Tbsp) in 1 gallon of water and apply to 300 sq ft. Apply when insects appear or when damage occurs. Spray to wet all infested plant surfaces. Do not apply more than five times per growing season to corn. For all other crops, do not apply more than nine times per growing season
Answer last updated on: 07/07/2014