FAMILIAR FARM ENEMIES 
277 
Apricot, black knot, crown gall, scab. 
Barley, rust and smut. 
Blackberry, caneblight, crown gall and rust. 
Bean, blight, mildew, and rust. 
Cabbage, black rot, club rot, and mildew. 
Celery, blights. 
Fig. 197.—Branch of maple covered by maple scale. The small insects live 
under the shells. 
Cherry, black knot, crown gall, leaf spot, mildew and 
scab. 
Corn, blight, rust, smut, root rot, and mildew. 
Cucumber, wilt, mildew, and stem rot. 
Eggplant, blight, leaf spot. 
Elm, blister canker, white rot. 
Grape, black rot, mildew, and crown gall. 
Lettuce, mildew, drop, leaf spot, and rot. 
Maple, heart rot, mildew, and white rot. 
Muskmelon, blight and mold. 
