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.

Fir (Abies, Pseudotsuga) Disease Problems Canker no chemical control Leaf rust control - triadimefon Mushroom-shoestring root rot no chemical control Needle & twig blight (Balsam fir) no chemical control Needle cast no chemical control Scorch no chemical control Wood rot (decay) no chemical control

Insect Problems Adelgids control - acephate, insecticidal soap

Aphids control - acephate, insecticidal soap

Bagworms control - carbaryl, malathion, Bacillus thuringiensis

Bark beetles control - carbaryl Caterpillars control - carbaryl, malathion, Bacillus thuringiensis pyrethrum Sawflies control - carbaryl, acephate, malathion, pyrethrum Scales control - adults: superior oil

crawlers: carbaryl, acephate, malathion, superior oil, pyrethrum Scarab beetle adults control - carbaryl, malathion, pyrethrum Spider mites control - malathion, superior oil, insecticidal soap,

Weevils control - adults: acephate White grubs control - dursban

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