|
ENEMY
|
DAMAGE
|
CONTROL |
Bean (Snap)
(cont.) |
| Bacterial blights |
Brown areas on leaves, |
Use western-grown seed; |
| |
stem cankers. |
do not cultivate while wet. |
| Rust |
Reddish pustules on leaves. |
Dust with sulfur; use re- |
| |
|
sistant varieties. |
| Mosaic |
Mottling of leaves. |
Use mosaic-resistant varie- |
| |
|
ties. |
| Bean (Lima) |
| Damping-off |
Seedlings rot before or after |
Treat seed with Spergon or |
| |
emergence. |
Arasan. |
| Downy mildew |
White mold on pods. |
Spray with Dithane or |
| |
|
Parzate. |
| Beech |
| Beech bark dis- |
Cankers formed, tree wilts, |
Use a dormant lime-sulfur |
| ease |
but only when beech scale |
spray. |
| |
makes wounds. |
|
| Woolly aphids |
Bluish cottony masses on |
Spray with lindane or nico- |
| |
twigs. |
tine. |
| Scorch |
Leaves scald in hot weather. |
Keep well watered. |
| Beet, Chard |
| Spinach leaf |
Tan blotches in leaves. |
Remove infested leaves. |
| miner |
| Flea beetles |
Small holes in leaves. |
Dust with rotenone. |
| Beet webworm |
Green to brown caterpillars |
Dust with pyrethrum. |
| |
eat and web leaves, buds. |
|
| Damping-off |
Seed decays; seedlings die. |
Treat seed with Arasan or |
| |
|
Spergon. |
| Leaf spots |
Small dead spots with |
Treatment seldom needed. |
| |
white centers, purple bor- |
Remove spotted leaves. |
| |
ders. |
|
| Begonia |
| Mealybugs |
White cottony bugs in leaf |
Try DX Aero-Spray; or |
| |
axils. |
touch each one with swab |
| |
|
dipped in alcohol. |
| Mites |
See African Violet. |
|
| Thrips |
Leaves silvery, deformed. |
Spray with lindane. |
Garden Plants and Their Problems
