| ENEMY |
DAMAGE |
CONTROL |
| Cantaloupe (cont.) |
| Powdery mildew |
White coating, serious in |
Spray with Iscothan; use |
|
Southwest. |
resistant varieties. DO |
| |
|
NOT USE SULFUR: It is |
| |
|
injurious to most melons. |
| Carrot |
| Carrot rust fly |
Maggots make rusty tun- |
Treat soil with calomel or |
| |
nels in roots. |
chlordane or Carco-X. |
| Carrot weevil |
White grubs tunnel near |
Use poison bait-apple |
| |
crown; young plants wilt, |
pomace with calcium arse- |
| |
die. |
nate, or Paris green. |
| Celeryworm |
Large green caterpillar |
Pick off by hand. |
| |
with black crossbands eats |
|
| |
leaves. |
|
| Leaf blight |
Black or brown spots on |
Rotate crops. |
| |
leaves, death of older foli- |
|
| |
age. |
|
| Catalpa |
| Catalpa sphinx |
Large green hornworms |
Spray with lead arsenate or |
| |
defoliate. |
DDT. |
| Comstock meal- |
Large white cottony masses |
Scrub off; apply dormant |
| ybug |
on trunk and branch |
oil or lime-sulfur spray; |
| |
crotches. |
use nicotine-soap for foli- |
| |
|
age spray. |
| Ceanothus |
| Ceanothus lace |
Leaves whitened by brown |
Spray with lindane or nico- |
| bug |
and black bug; common. |
tine-soap solution. |
| Ceanothus |
Red to black lice on twigs |
Spray with lindane or nico- |
| aphid |
and leaves. |
tine-soap solution. |
| Scale insects |
Gray or white scales. |
Dormant spray. |
| Tent caterpil- |
Large nest formed on |
Wipe out or spray with |
| lars |
limbs. |
DDT or lead arsenate. |
| Cedar see Deodar. |
For red-cedar see Juniper |
|
| Celery |
| Celery leaf tier |
Green to yellow caterpillar |
Dust with pyrethrum; re- |
| |
webbing foliage, mining |
peat in 1/2 hour. |
| |
hearts. |
|
Garden Plants and Their Problems
