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

New Topics

  1. Tammy Bennett asked question LOOKING to BUY -Phalanopis “Dragon Tree Maple” in category Scientific
  2. Rae Walker asked question Dendrobium No I’d. HELP! in category Dendrobiums
  3. John Hyatt asked question Deformed growths on BLC King of Taiwan in category Cattleya Alliance
  4. Darrin Duling asked question Unidentified Bratonia in category General Discussion
  5. Armando Mantellini started topic Cattleya jenmanii missing awards in category Cattleya Alliance

New Comments

  1. Carol Holdren commented on topic "Dendrobium No I’d. HELP!" by Rae Walker
  2. Carol Holdren commented on article "CATTLEYAS: Control of Blooming Time" by Robert M. [Bert] Hamilton (Compiler)
  3. Carol Holdren commented on member plant Lc. Nice Holiday 'Suntopia' by William Gorski
  4. Robert H. Findlay commented on topic "Phragmipedium Cape Sunset or Eric Young?" by Darrin Duling
  5. Robert H. Findlay commented on member plant Phrag. Ecuagenera Dream by Robert H. Findlay
  6. Tatjana Opekunova commented on article "CATTLEYAS: Reasons for Non-flowering" by Robert M. [Bert] Hamilton (Compiler)
  7. Carol Holdren commented on member plant Zygopetalum var. Big Red One by Wyatt Parker
  8. Carol Holdren commented on topic "Need ID, Please" by Oliver Quin Surco
  9. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D
  10. Debbie Chase commented on topic "Identify This Orchid " by Debbie Chase