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. Claudia Young asked question RO system in category General Discussion
  2. Roberto Lizama asked question Help to identify in category General Discussion
  3. Tatjana Opekunova asked question Cattleya new roots and Flower buds in category Cattleya Alliance
  4. Mary Lane asked question Orchid roots .com site? in category General Discussion
  5. David George asked question recently purchased orchid shows unstoppable roots in category General Discussion

New Comments

  1. Stefan Neher commented on topic "Orchid roots .com site?" by Mary Lane
  2. Kevin Barry commented on member plant Bul. Tammie Sue Pernas by Tony Pernas
  3. Linda Hartman commented on member plant Ctt. Final Blue by Linda Hartman
  4. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  5. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  6. Michael Makio commented on orchid V. Beatrice Makio
  7. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott
  8. Carol Holdren commented on topic "need info on yellow bird" by Glenda Ratliff
  9. Carol Holdren commented on topic "Looking to join an orchid club." by Paula Milano
  10. Jeanne Uzar Hudson commented on topic "Repotting Large Cattleyas" by Jeanne Uzar Hudson