PSEUDOMONAS CATTLEYAE: Brown Spot

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 8 years ago.

Article Blog   Article Index
It affects cattleyas, phalaenopsis and others; starts as soft, water-soaked lesion, becomes brown or black; advances rapidly; exudate is very infectious; destroy infected parts; spray with Physan at 1.5 tpg. Monthly; if rotted dip all in Natriphene at three-quarters tpg. for 60 minutes and repeat in three to seven days; spray all with Thiram (Tersan 75) at 1.5 ttpg. weekly. BU47+
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Pseudomonas cattleyae

Pseudomonas cattleyae Comments
PSEUDOMONAS CATTLEYAE: Common in Phalaenopsis The diseased part should be cut out with a clean razor blade; tap the contents of a Chloromycetin 250 mg. capsule (available from veterinarians) across the cut. OD87-156 0
PSEUDOMONAS CATTLEYAE: In Cattleyas A bacterial pathogen; mild effect on old leaves but can be epidemic on cymbidium seedlings; recommend control with Natriphene, Physan, tetracyclines, Polymixin B. OD67-50Its characteristics; its sensitivity to Panogen, Physan 20, Natriphene; refer to OD71-224+ 0
PSEUDOMONAS CATTLEYAE: In Cymbidiums Submerge the plant in Natriphene solution 1:2,000 or three-quarters of a teaspoon to a gal. of water; repeat in five to seven days. A66-204 0

New Topics

  1. Nicolaas Chomenko asked question E. veratrifolia or Tolu. Louise Elmore ‘Elsa’ in category Other Genera
  2. Lilla Toelcke asked question Den. Somkiat blue in category General Discussion
  3. James W McCully asked question How to read archived articles ? in category General Discussion
  4. David George asked question recently purchased orchid - what to expect in category General Discussion
  5. Danielle Carbonneau asked question phalaenopsis, dendrochum and Odontoglossum in category Phalaenopsis
Ask a Question

Start a Topic

New Comments

  1. Julie Ellner commented on member plant Phal. amabilis var. formosanum by Vickie Seibert
  2. Julie Ellner commented on member plant Rlc. Green Dragoon 'Mendenhall' by Jeanne Uzar Hudson
  3. Danielle Carbonneau commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  4. Barry J Silver commented on orchid Lyon. SunCoast Pink Passion
  5. Carol Holdren commented on topic "Phalaenopsis William Kistler?" by Nicholas Filannino
  6. Carol Holdren commented on orchid Colm. Eric Gabriel Heines
  7. Carol Holdren commented on topic "Cattleya little susie" by Juliann Eckhard
  8. Carol Holdren commented on member plant Bc. Morning Glory by Chris Siolo
  9. R .Benson commented on member plant Kir. New Hybrid (Fred Clarke) SVO9831 by R .Benson
  10. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  11. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
  12. Jeanne Uzar Hudson commented on member plant Sns. gemmata by Jeanne Uzar Hudson
  13. Stefan Neher commented on topic "Orchid roots .com site?" by Mary Lane
  14. Kevin Barry commented on member plant Bul. Tammie Sue Pernas by Tony Pernas
  15. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  16. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  17. Michael Makio commented on orchid V. Beatrice Makio
  18. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott
  19. Carol Holdren commented on topic "need info on yellow bird" by Glenda Ratliff
  20. Carol Holdren commented on topic "Looking to join an orchid club." by Paula Milano