Newly Posted Articles

SPRINKLERS: For Greenhouse Cooling

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Low-volume sprinklers or misting nozzles frequently used over cymbidiums both use great amounts of water; short spaced use may produce great quantities of salt build-up through intermittent evapora... Read More

COCONUT WATER: Treatment Before Adding to Tissue Culture Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Strain the coconut milk through 2 layers cheesecloth, aliquot it into polyethylene bottles in amounts equal to 4 to 10% of final culture media; freeze till needed. A74-34 Read More

CHYSIS: Broad Leaves Have Infection with Tan Moist Lesions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The lesions are not controlled by Natriphene or Physan; use Benlate 1 ttpg. as drench over everything; or, Banrot 2 ttpg. in same way. A76-206 Read More

BUDS: Deterioration in Sheath

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is not a disease; plant probably lacks food reserves if it has been grown under too much shade; save buds by removing sheaths before they turn brown. A71-535 Read More

BUDS: On Phalaenopsis They Blast and Drop

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Ethylene only is the cause, sometimes intensified by atmospheric conditions. A68-811 Read More

SCORIA: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Lava rock, or pumice or basalt, etc. RMH Read More

JEYES FLUID: Disinfectant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Registered for soil conditioning in the U.K. it is used as a spray against such orchid pests as black spot, red spider mite; is useful for eliminating slugs and snails; has been tested on cymbidium... Read More

COELOGYNE CRISTATA: How to Make it Flower

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago From November to January give it rest with no water but keep it cool, hang it high for light; in January and February the flowers appear, start watering again; from March to October give it full su... Read More

HEATERS: Wood-burning Stoves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are not recommended because they ruin most orchids unless the draft is fully open at all times to discharge fumes into the neighbour's back yard. A81-526 Read More

PH (GENERAL): Of Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments show that if a recommended medium is chosen the initial pH should cause no concern. Hort. revs. 1983-195 Read More

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(4 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(95 articles)

Conservation

(16 articles)

Culture

(1363 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(29 articles)

General Discussion

(3 articles)

Oncidium Alliance

(64 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(12 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(83 articles)

Pleurothallids

(1 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(26 articles)