Snapdragons, Flower Thrips and Green Peach Aphid Control, 1978

Fourteen insecticides were evaluated for the control of snapdragon pests between July 5 and July 26, 1978. The planting was located in a private garden in West Lafayette, Indiana. All of the treatments, except Temik, were foliar sprays applied with a one gallon B&G Stainless steel sprayer operating at 30 psi. The Temik granules were weighed and sprinkled into a furrow around each individual plant. The furrow was then covered with soil. A randomized block design was utilized with three replicates. Each plot consisted of an individual plant 12-14 inch high. Three weeks after treatment (T/21) a floral head was removed from each plant, bagged, taken into the laboratory and placed in a Berlese funnel and the captured thrips and aphids counted under a binocular microscope.