The Orchid Doctor Articles under the Heading Virus - Detection, Identification, Symptoms, Testing

Virus - Detection, Identification, Symptoms, Testing Comments
VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Detection by Biological Assay It is performed on leaves of other plants such as Cassia occidentalis, Gomphrena globosa, Chenopodium amaranticolor, Datura stramonium, and Spathoglottis sp.; for details of inoculation procedures and results, refer to AH62+; OD65-107 0
VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Other Plants Used as Detectors Cassia occidentalis is an indicator of Cymbidium Mosaic Virus; Gomphrena globosa, for Tobacco Mosaic Virus. A67-287; A68-431 0
VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Spots and Their Meaning Usually light-colored at first, they become elongated lengthwise, then somewhat depressed, later they darken, become necrotic and more depressed; one form on cattleyas produces a ring formation. A77-702 0
VIRUS - DETECTION, IDENTIFICATION, SYMPTOMS, TESTING: Testing by Commercial Laboratory Send a leaf or leaves with some visible symptoms, even the expert relies on them; the lower portion of maturing leaves can be sent to Florida West Coast Scientific Labs., address given above on this page; the charge is "low". A73-503 0

New Topics

  1. John Urey asked question Blooming Stenglottis Venus “jamboree “ in category General Discussion
  2. Claudia Young asked question RO system in category General Discussion
  3. Roberto Lizama asked question Help to identify in category General Discussion
  4. Tatjana Opekunova asked question Cattleya new roots and Flower buds in category Cattleya Alliance
  5. Mary Lane asked question Orchid roots .com site? in category General Discussion

New Comments

  1. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  2. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
  3. Jeanne Uzar Hudson commented on member plant Sns. gemmata by Jeanne Uzar Hudson
  4. Stefan Neher commented on topic "Orchid roots .com site?" by Mary Lane
  5. Kevin Barry commented on member plant Bul. Tammie Sue Pernas by Tony Pernas
  6. Linda Hartman commented on member plant Ctt. Final Blue by Linda Hartman
  7. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  8. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  9. Michael Makio commented on orchid V. Beatrice Makio
  10. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott