DO NOT INCREASE PLANT SUSCEPTIBILITY TO PROBLEMS THROUGH NEGLECT OR IMPROPER CARE. Additional information is in Extension bulletin E-1936, "Selecting Ornamental Plants" and

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.

Boston Ivy, Virginia Creeper (Parthenocissus) Disease Problems Canker and wilt no chemical control Downy mildew no chemical control Leaf spot, fungal control - benomyl Powdery mildew control - benomyl Twig blight control - benomyl, thiophanate

Insect Problems Aphids control - diazinon, acephate, insecticidal soap

Erineum and rust mites no chemical control Scales control - adults: superior oil,

crawlers: diazinon, acephate, malathion, superior oil, pyrethrum Scarab beetles control - (adults) - diazinon, malathion, pyrethrum Spider mites control - malathion, superior oil, insecticidal soap,

Controls reported as causing plant injury - carbaryl

Go To Top of File               Main Page for this Data Base