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Garden Plants and Their Problems |
| ENEMY |
DAMAGE |
CONTROL |
| Currant |
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| Imported cur- |
Sawfly larvae, green with |
Spray or dust with rote- |
| rant worm |
black spots, eat leaves. |
none. |
| Currant aphid |
Leaves puckered by yellow- |
Spray with nicotine-soap. |
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green lice. |
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| Currant borer |
White larva tunnels in |
Remove infested canes. |
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canes. |
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| Currant stem |
Tip of stem dies back to |
Cut off shoots. |
| girdler |
point of egg-laying. |
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| Cane blight |
Leaves and fruit wilt, die. |
Remove infected canes. |
| Leaf spot |
Brown to purple spots on |
Copper spray after blos- |
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leaves; defoliation. |
soming, after harvest, 3 |
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weeks later. |
| Cyclamen |
| Cyclamen mite |
Plants deformed, stunted, |
Spray with Malathon, Di- |
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buds black. |
mite, or Aramite. |
| Broad mite |
Leaves glassy. |
Spray with Malathon, Di- |
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mite, or Aramite. |
| Black vine wee- |
Grubs work on roots; |
Treat soil with lindane or |
| vil |
plants sometimes killed. |
chlordane. |
| Cypress |
| Bark scale |
Leaves turn yellow and die. |
Oil spray in August and |
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late September. |
| Coryneum |
Trees sickly, lose leaves, |
Remove and destroy dis- |
| canker |
die. Monterey cypress worst |
eased trees. |
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hit. |
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| Dahlia |
| Borers-Euro- |
Stems wilt from caterpillars |
Spray with DDT, destroy |
| pean corn |
tunneling inside. |
all old stalks in fall, and |
| and stalk |
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weeds. |
| Beetles-spotted |
Light-colored flowers eaten. |
Spray or dust with DDT. |
| cucumber |
| and Japanese |
| Leafhoppers |
Leaves curled inward, |
Spray or dust with |
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brown margins; plants |
DDT. |
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stunted. |
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| Tarnished plant |
Tips turn black; buds |
Spray or dust with DDT. |
| bug |
punctured and deformed. |
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