| Camellia (cont.) |
|
|
| Leaf gall |
Leaves greatly swollen. |
Pick off and burn. |
| Leaf spot |
Silvery or brown areas usu- |
Camellias under light |
| |
ally from sunburn with |
shade of tall pines do best. |
| |
fungi coming in later. |
|
| Camphor-tree |
| Camphor thrips |
Buds, branches die; bark |
Shellac pruning cuts. |
| |
cracks. |
|
| Camphor scale |
Convex, dark scale causes |
Spray with oil emulsion; |
| |
defoliation and often death. |
control ants spreading |
| |
|
scale. |
| Mites |
Leaves turn reddish, dusty. |
Use oil as above or special |
| |
|
miticide. |
| Canna |
| Japanese beetle |
Feeds on flowers and foli- |
Spray with DDT. |
| |
age. |
|
| Leaf rollers |
Greenish caterpillars roll |
Spray or dust early with |
| |
leaves; in South. |
DDT or lead arsenate. |
| Bacterial bud |
Yellow to brown ragged |
Discard diseased plants; |
| rot |
leaf spots; stalks gummy; |
propagate from healthy |
| |
flowers decayed. |
stock. |
| Cantaloupe |
| Melon aphid |
Small green, brown to |
Spray or dust with nico- |
| |
black lice curl leaves, which |
tine. |
| |
turn yellow. |
|
| Melonworm |
Greenish-yellow caterpillar |
Dust with rotenone. |
| |
feeds on leaves. |
|
| Pickleworm |
See Cucumber. |
|
| Cucumber |
See Cucumber. |
|
| beetles |
| Bacterial wilt |
See Cucumber. |
|
| Anthracnose |
Brown spots on leaves, |
Spray or dust with ziram |
| |
sunken cankers on stems, |
or copper. |
| |
fruit. |
|
| Downy mildew |
Leaves with yellow spots, |
Spray with Dithane or Par- |
| |
then drying, curling. |
zate. |