| ENEMY |
DAMAGE |
CONTROL |
| Ash (cont.) |
| Woolly aphids |
Leaves curled. |
Spray with lindane. |
| Anthracnose |
Leaves scorched or brown |
Copper spray if feasible. |
| |
areas in wet springs. |
|
| Rust |
Twigs swollen, leaves dis- |
Seldom practical; marsh |
| |
torted; defoliation. |
grass is alternate host. |
| Asparagus |
| Beetles-com- |
Shoots gnawed, foliage |
Spray or dust with rote- |
| mon, 12- |
eaten by humpback larvae |
none, changing to calcium |
| spotted |
and adults. |
arsenate after cutting sea- |
| |
|
son. |
| Japanese beetles |
Chew foliage in summer. |
Spray or dust with rote- |
| |
|
none, changing to calcium |
| |
|
arsenate after cutting sea- |
| |
|
son. |
| Rust |
Orange powdery pustules |
Use resistant Washington |
| |
on stems and leaves. |
varieties. |
| Aspidistra |
| Scales |
White fern, round brown |
Scrub off with nicotine- |
| |
Florida red scales. |
soap solution, or spray with |
| |
|
Volck. |
| Leaf spots |
Roundish dead areas on |
Remove disfigured leaves. |
| |
leaves. |
|
| Aster (China) |
| Wilt |
Wilting and death from a |
Buy resistant varieties. |
| |
soil fungus. |
|
| Yellows |
Stunted, chlorotic plants, |
Control leafhopper vector |
| |
greenish flowers, due to |
with DDT. |
| |
a virus. |
|
| Rust |
Orange spots on underside |
Dust with sulfur and Fer- |
| |
of leaves. |
mate. |
| Blister beetles |
Black beetles eating flowers |
Dust with DDT. |
| |
and foliage in late summer. |
|
| Tarnished plant |
New growth blackened. |
DDT or chlordane. |
| bug |
| Lace bugs |
Leaves lose color in stip- |
Spray with lindane, or nico- |
| |
pled white pattern. |
tine-soap. |
Garden Plants and Their Problems
