Phytotoxicity trials were conducted from 23 Jun to 18 Aug on 'Eclipse,' 'Envy,' Tridon,' 'Yellow Mandalay,' and 'Splendor' chrysanthemums. Cuttings were planted in 5-inch-diam pots containing 3 parts peat, 1 part vermiculite, 1 part perlite. Chrysanthemums were fertilized and maintained by commercial growers' standard practice. Pots were arranged in a randomized complete block with 9 pots/treatment and 3 blocks/cultivar. Insecticides were applied at twice the recommended rate 7 days after

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... ng on 23 Jun and continued at weekly intervals until full bloom on 18 Aug. A total of 9 applications of selected insecticides were made at the following rates: Danitol 2.4EC, 0.6 lb (AI)/100 gal, Tempo 2EC, 0.125 lb (AI)/100 gal; Talstar 10WP, 0.2 lb (AI)/100 gal; and Carzol 92SP, 0.92 lb (AI)/100 gal. Treatments were applied using a compressedair sprayer with a 2503 Teejet nozzle at 40 psi. Plants were observed weekly for any abnormalities as compared to control plants.