Garden Plants and Their Problems
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.  



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