GARDEN ENEMIES

SOIL, ROOT, and CROWN PROBLEM (cont.)

Chief Sign or Symptom Probable Pest or Disease Described Under
Plants wilting in summer; buff my- celium on ground; Southwest only. Texas Root Rot Rots
Rot at base of trees or shrubs, honey toadstools. Mushroom Root Rot Rots
Bulbs rotting, white grub inside. Narcissus Bulb Fly Flies
Bulbs rotting, with minute white mites. Bulb Mites Mites
Rhizome eaten by white worm. Iris Borer (Fig. 15D) Borers
Rhizome soft, with evil odor. Soft Rot Rots
Tubers with sunken, dark rotted areas. Potato Late Blight Blights
Tubers eaten by brown, hard-bodied worms. Wire worms (Fig. 66A) Wireworms
Decaying roots, tubers, bulbs eaten by coiled, wiry worms with many legs. Millipedes (Figs. 54B, 66B) Millipedes
Decaying roots and bulbs with flat, oval, gray ""bugs,"" rolling into a ball. Sowbugs, Pillbugs (Fig- 54A) Sowbugs

STEM and SHOOT PROBLEMS

Chief Sign or Symptom Probable Pest or Disease Described Under
Tunnels in woody stems, sawdust protruding from holes. Rhododendron Borer (Fig. 15C) Lilac, Locust Borers, Car- penter Worm Borers
Small holes in bark, engravings in- side. Bark Beetles (Fig 7E)" Beetles
Regular holes around trunk, often pine. Sapsucker Birds
Gummy masses at base of peach trees. Peach Tree Borer Borers
Holes in pine leader, which dies. White-pine Weevil (Fig. 63A) Weevils



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