The Orchid Doctor Articles under the Heading Erwinias

Erwinias Comments
ERWINIAS: Rot in Paphiopedilums E. cypripedii and E. carotovora are most troublesome; they cause soft, brown dead areas near the base; remove whole leaf immediately; treat wound with fungicide, dry sulfur powder, or Difolitan4 flowable; do not splash water from plant to plant. A79-896 (illus.); A63-545 0

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