The Orchid Doctor Articles under the Heading Heart Rot

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: In Paphiopedilums Caused by Erwinia Cypripedii 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 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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  1. David George asked question recently purchased orchid shows unstoppable roots in category General Discussion
  2. katherine mott asked question shorter stem with less vigorous blooms in category Phalaenopsis
  3. Glenda Ratliff started topic need info on yellow bird in category General Discussion
  4. Paula Milano asked question Looking to join an orchid club. in category General Discussion
  5. Jeanne Uzar Hudson asked question Meetings for Advanced Growers in category General Discussion
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  1. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  2. Michael Makio commented on orchid V. Beatrice Makio
  3. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott
  4. Carol Holdren commented on topic "need info on yellow bird" by Glenda Ratliff
  5. Carol Holdren commented on topic "Looking to join an orchid club." by Paula Milano
  6. Jeanne Uzar Hudson commented on topic "Repotting Large Cattleyas" by Jeanne Uzar Hudson
  7. Jeanne Uzar Hudson commented on member plant Paph. malipoense by Jeanne Uzar Hudson
  8. William Gorski commented on topic "how difficult is it growing from seed" by kevan gregory
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  10. Carol Holdren commented on member plant C. lueddemanniana var. Coerulea, Venosa by Paulo Fiuza