Be sure to read the label for specific plant species and varieties. A partial listing of oil sensitive plants and plants with a tendency for sensitivity is shown in Table 2 . Advantages of Horticulture Oils Oils are very safe environmentally and are degradable by evaporation. Oils quickly dissipate by evaporation shortly after application with little pesticide residue left behind. Oils are compatible with an IPM program and are less harmful to nontarget organisms.
Oils are virtually nonpoisonous to the applicator.
Oils are noncorrosive to spray equipment. Oils can provide a wide range of pest control without plant injury. F Summer Dormant 2 gallons for summer 4 gallons for dormant 438 F Dormant 2-3 gallons 1 Taken from Johnson, W.T. 1985. Smoketree Summer Photinia sp.