The effects of some insecticides on populations of frit fly (Oscinella frit) and its enemies.
Abstract
Yield of grain from oats sown late (28 Apr.) and sprayed twice in May with 0.5% parathion was about 33% greater than that of untreated oats.-R.B.
Yield of grain from oats sown late (28 Apr.) and sprayed twice in May with 0.5% parathion was about 33% greater than that of untreated oats.-R.B.