| ENEMY |
DAMAGE |
CONTROL |
| Dogwood (cont.) |
| Spot anthrac- |
Small tan or gray spots |
Spray with manzate or cap- |
| nose |
with red or purple borders |
tan. |
| |
on leaves, bracts. |
|
| Elm |
| Elm leaf beetle |
Leaves skeletonized; drop. |
Spray with lead arsenate or |
| and Japanese |
|
DDT. |
| beetle |
| Cankerworms |
Leaves eaten in May. |
Spray with lead arsenate or |
| |
|
DDT. |
| Bark beetles |
Vectors of Dutch elm dis- |
Heavy dormant spray of |
| |
ease. |
DDT, plus foliage spray. |
| White-marked |
Vector of phloem necrosis. |
DDT sprays end of June, |
| elm leafhop- |
|
first of August. |
| per |
| Mites |
Foliage looks very dusty. |
Add miticide-Aramite or |
| |
|
Ovotran-to DDT sprays. |
| Aphids- |
Leaves with galls or curled; |
Spray with lindane. |
| cockscomb, |
lice with white filaments. |
|
| woolly, others |
| Scales-Euro- |
Brown scales with white |
Dormant oil spray plus |
| pean elm, |
fringe, or gray shells; |
DDT in June for European |
| elm scurfy |
leaves turn yellow, drop. |
elm scale. |
| Dutch elm dis- |
Trees die, starting some- |
Remove infected trees be- |
| ease |
times with yellow flag, |
fore May first; control bark |
| |
spores carried by bark |
beetles. |
| |
beetles. |
|
| Phloem necrosis |
Trees die; phloem butter- |
Control leafhopper vector |
| |
scotch color, wintergreen |
with DDT. |
| |
odor. |
|
| Eggplant |
| Flea beetles |
Small ""shot-holes"" in seed- |
Dust with rotenone. |
| |
ling leaves. |
|
| Phomopsis |
Leaves turn yellow; stems |
Use copper-rotenone dust, |
| blight; fruit |
cankered, fruit has pale, |
or spray with fixed copper. |
| rot |
sunken lesions; rots; more |
|
| |
serious in South. |
|
Garden Plants and Their Problems
