The Orchid Doctor Articles under the Heading Spots

Spots Comments
SPOT INFECTION: Bacterial Ailment It is found on phalaenopsis especially, and on cattleyas; hyaline (glassy, transparent) spots or depressions are not systemic and can be stopped by keeping the foliage dry at night; avoid condensation on leaves; fans help considerably; do not spray bactericide. A71-609 0
SPOTS, BROWN: Appear on White Cattleya Blooms More Than on Colored Practice is to spray with Captan 50% weekly, and with Natriphene intermittently; the spraying of chemicals is excessive; spray only two or three times a year. A75-618 0
SPOTS, DOUGHNUT-LOOKING: On Phalaenopsis Leaves Likely the fungus disease anthracnose; remove the damaged leaves; spray with Fore (Dithane M45) at 1.5 ttpg.; dry leaves before night by use of a fan. A70-345 0

New Topics

  1. Gail Santini asked question Help ID this yellow phal. in category General Discussion
  2. Debra Johnson asked question Cattleya Alliance Members in category General Discussion
  3. Key Stage asked question Paph Harry Stage in category General Discussion
  4. Chris Tyrie asked question Plants for sale in category General Discussion
  5. Peter Collis asked question Parentage of Vandachostylis Conference Gold in category General Discussion

New Comments

  1. Pam Lipscomb commented on member plant Eny. Exotic Seashell by Steven Kirincich
  2. Pam Lipscomb commented on member plant Lc. Little Oliver by Steven Kirincich
  3. Susan LE commented on topic "Paph Harry Stage" by Key Stage
  4. Susan LE commented on scheduled event "Tamiami International Orchid Festival" by Miami Orchid Society
  5. Susan LE commented on article "Orchid Wiz - what will we do without you?" by Carol Holdren
  6. Susan LE commented on member plant Coel. rochussenii 'Waki' by Melvin Waki
  7. Susan LE commented on member plant Bsn. Maikai var. Louise by Sandi Block-Brezner
  8. Susan LE commented on member plant Rlc. Beauty Girl by Blanca Acosta
  9. Mary Lane commented on member plant Den. lindleyi by Mary Lane
  10. António Almeida commented on article "Angraecum Culture with Semi-Hydroponic Techniques" by Tom Kuligowski