Category: Orchid Doctor

TEMPERATURE: To Set Buds on Paphiopedilums and Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 50 deg.F. is not necessary, 55 deg.F. is low enough; for early cymbidiums (blooming November to January) a cool temperature to 55 deg.F. during the mid-March to May period will set buds; for mid-se... Read More

TEMPERATURE: Warm, Intermediate and Cool

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In greenhouses, plants are divided into Warm (65 dF minimum at night) such as for Phalaenopsis; Intermediate (60 dF) as for cattleyas, and Cool (50 to 55 dF) as for cymbidiums. F81-84 Read More

TERMITES: Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In paphiopedilum medium of bark and peat use 40% chlordane WP at 1 ttpg. to kill them. A77-922 Read More

TERRAMYCIN: Polymixin; Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is a wide-spectrum tetracycline; provides a powerful control of Pseudomonas cattleyae; as a spray use six tablets of five mg. each in an imperial gal. water every three days. A71-896 Read More

TERRARIUMS: "three Dimensional"

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use of tree-fern and osmunda to provide different levels for growing; their characteristics; a list of about 30 miniatures suitable for growing is given; refer to A76-136+ Read More

TERRARIUMS: Compost

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For paphiopedilums to be nearly self-sustaining use a mix of flaked oak leaf mold and/or chopped osmunda, with bark; could add a little very coarse sand, some Turface, perlite or sphagnum. A75-618 Read More

TERRARIUMS: For Orchids Generally

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use a 30-gal. long glass tank; use fluorescent lighting; use sheet moss from decaying birch logs; use a substrate of one inch perlite; build up contours with medium size firbark; use no soil; top o... Read More

TERRESTRIALS, NATIVE: Formula for Potting Soil

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For Australian terrestrials a good mix is made up of 50 to 60% of sharp, washed river sand, 20% German peat, and 20 to 30% of decayed Eucalyptus leaf litter, or sawdust chips. A77-984For U.S. types... Read More

TERRESTRIALS, NATIVE: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For Australian types, the Canberra Botanic Gardens mix is 50 to 60% sharp washed river sand, 20% German peat and 20 to 30% eucalyptus leaf litter or sawdust chips; use plastic pots, cold frames 25 ... Read More

TERRESTRIALS, NATIVE: Suitable for Garden Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Besides Epipactis helleborine there are many others; a fine recommended book is W.H.Gibson: Our native orchids (1905); refer to A73-6874-; A76-206; for practice in Germany, refer to OR77-340+ Read More