Do Not Increase Plant Susceptibility To Problems Through
DO NOT INCREASE PLANT SUSCEPTIBILITY TO PROBLEMS THROUGH NEGLECT OR IMPROPER CARE. Additional information is in Extension bulletin E-1936, "Selecting Ornamental Plants" and
Extension bulletin E-1947, "Planting and Care of Ornamental Landscape Plants."
All plants can be affected by environmental and cultural problems. Only those occurring most frequently are listed here. Use pesticides only after an accurate diagnosis and control recommendation have been made. Use pesticides strictly in accordance with label directions. Always wear protective clothing and do not spray on windy days.
This list is for educational purposes only. Inclusion does not imply endorsement and omission does not imply discrimination. Not all of these pesticides are labeled or recommended in all states.
Beech (Fagus) Cultural Problems Transplanting difficulties
Disease Problems Canker no chemical control Leaf spot, fungal control - benomyl Mosaic no chemical control Powdery mildew control - benomyl, lime-sulfur
Insect Problems Aphids control - diazinon, acephate, insecticidal soap
Caterpillars control - diazinon, carbaryl, malathion, pyrethrum Bacillus thuringiensis Erineum and Rust mites control - sulfur, carbaryl Fall webworms control - diazinon, carbaryl, Bacillus thuringiensis, pyrethrum Scales control - adults: superior oil
crawlers: diazinon, carbaryl, acephate, malathion, superior oil, pyrethrum
Two-lined chestnut borers control - Controls reported as causing plant injury - superior oil
