|
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 |
|
GARDEN ENEMIES
