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HEART ROT: In Paphiopedilums Caused by Erwinia Cypripedii

Ailments Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 1 year ago.

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It can start as small brown spot on a leaf; spreads to crown; cut out at once; soak plant in Anti-Damp or Natriphene; let it dry, swab with Tersan. A73-815
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Heart Rot Comments
HEART ROT: Caused by a Species of Phytophora It especially affects phalaenopsis and vandas; begins on a leaf and spreads to the stems; cut off infected areas early; soak plant in Anti-Damp then treat with Tersan. A73-813 0
HEART ROT: Phytophthora Omnivora Fungus, causes rot where leaf meets the stem; dark, sharply dilimited lesions appear first in heart of the plant; spreads rapidly if not dry; vandas, phalaenopsis and even cattleyas are most susceptible; treat with Zineb or drench with Natriphene or dip plant above roots in Tersan. N317 0
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