Newly Posted Articles

SPRINKLERS: For Greenhouse Cooling

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 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 over 7 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 over 7 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 over 7 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 over 7 years ago Lava rock, or pumice or basalt, etc. RMH Read More

JEYES FLUID: Disinfectant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 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 over 7 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 over 7 years ago Experiments show that if a recommended medium is chosen the initial pH should cause no concern. Hort. revs. 1983-195 Read More