Garden Plants and Their Problems
ENEMY DAMAGE CONTROL
Coreopsis (cont.)
Coreopsis leaf Green beetles feed on foli- Dust with DDT or rote-
beetle, spotted age. none.
cucumber
beetle
Corn
European corn Cream caterpillars at base Dust whorls with DDT,
borer of ears, stalks break over. Ryania, or rotenone.
Corn earworm Dark caterpillars at tips of Dust silks with DDT or
  ears. DDD.
Bacterial wilt Plants are dwarfed, wilt, Use resistant varieties like
  dry. Golden Cross Bantam,
    Marcross.
Corn smut Large ""boil"" on ear or Cut ofl and burn before it
  stalk filled with smutty breaks open.
  spores.  
Cosmos
Beetles- spotted cucumber and
Japanese,Asiatic garden
Flowers eaten. Spray with DDT.
Stalk borer Plant wilts. Slit stalk to kill borer.
COTONEASTER
Scales-San Round or oyster-shaped Dormant oil spray.
Jose, oyster- gray scales on bark.  
shell
Hawthorn lace Leaves stippled grayish, Spray with lindane or nico-
bug brown specks underneath. tine, when nymphs hatch.
Cottoneaster Ends of branches are DDT or lead arsenate.
webworm webbed, leaves skeleton-  
  ized.  
Fire blight Branches dying back. Cut out 6 inches below
    dead portion.



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