PYTHIUM ULTIMUM: A Fungus

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 5 years ago.

Article Blog   Article Index
Also know as slime mold; it favors moist, cold conditions; in one phase it swims on a thin film of moisture; can be spread by splashing water; causes soft brown rot. OD65-10; OD67-49; controls: Truban; Banrot or Physan 20. A80-356
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Pythium

Pythium Comments
PYTHIUM BLACK ROT: And Damp-off Caused by Pythium ultimum; it requires free water in order to spread; community pots are most vulnerable; on older plants black spots should be cut out and the plant soaked in Anti-Damp or Natriphene; refer to N315+ 0
PYTHIUM BLACK ROT: On Cattleyas Treatment: drench the plant in Truban at one ounce to 25 gals. water, or 1 level teaspoon in 3 gals. water. A74-34 see also Black rot; Dry rot; Leaf blight; Leaf tip blackening; Pythium ultimum 0

New Topics

  1. Kim Loan T Nguyen asked question Brassolaeliocattleyamaianh in category General Discussion
  2. Paula Milano asked question Pot. Hawaiian prominence america red orchid in category General Discussion
  3. ETHEL HAY asked question Name of this orchid in category General Discussion
  4. Joe L asked question ID of this Oncidium? in category Oncidium Alliance
  5. Edward Zapata started topic Cymbidium Helen Bannerman in category General Discussion

New Comments

  1. Jan E Teitsworth commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  2. Carol Holdren commented on topic "Brassolaeliocattleyamaianh " by Kim Loan T Nguyen
  3. David garcia commented on member plant Myrmecophilia tibicinis stromburgkia trumpet player by David garcia
  4. Carol Holdren commented on member plant Bc. Maikai by William Gorski
  5. Joe L commented on topic "ID of this Oncidium? " by Joe L
  6. Robert H. Findlay commented on member plant Sngl. macloughlinii by Nicholas Stein
  7. Carol Holdren commented on topic "Name of this orchid" by ETHEL HAY
  8. Carol Holdren commented on topic "Pot. Hawaiian prominence america red orchid" by Paula Milano
  9. Carol Holdren commented on topic "Mystery Orchid" by David Hickman
  10. Edward Zapata commented on topic "Lady Bug or dangerous bug" by John Small
  11. Wyatt Parker commented on member plant Zygopetalum var. Big Red One by Wyatt Parker
  12. Carol Holdren commented on member plant Renantanda Sunrise 'Prasongs' by Andrew Chan
  13. Carol Holdren commented on topic "Dendrobium No I’d. HELP!" by Rae Walker
  14. Carol Holdren commented on article "CATTLEYAS: Control of Blooming Time" by Robert M. [Bert] Hamilton (Compiler)
  15. Carol Holdren commented on member plant Lc. Nice Holiday 'Suntopia' by William Gorski
  16. Robert H. Findlay commented on topic "Phragmipedium Cape Sunset or Eric Young?" by Darrin Duling
  17. Robert H. Findlay commented on member plant Phrag. Ecuagenera Dream by Robert H. Findlay
  18. Tatjana Opekunova commented on article "CATTLEYAS: Reasons for Non-flowering" by Robert M. [Bert] Hamilton (Compiler)
  19. Carol Holdren commented on topic "Need ID, Please" by Oliver Quin Surco
  20. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D