Category: Orchid Doctor

DEFLASKING: Cymbidium Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Flask is first broken open, seedlings are placed in warm water and agar washed off the roots; they are graded by size, planted in fresh, healthy sphagnum., moss and covered with plastic. AU80-221 Read More

DEFLASKING: Cymbidum Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Remove from flask, wash carefully, plant in sterilized sand at the rate of 25 per community pot of about 6 in.; place where no hose splashing can reach them, with a little bottom heat not less than... Read More

DEFLASKING: Foolproof Method

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Soak seedling bark in very warm water for two hours, remove seedlings from flask and place in warm water to remove all agar from roots; grade them by size, pot each one gently and do not pack the b... Read More

DEFLASKING: For Beginners

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Acclimatize the flask for a few days in the immediate growing area preferably shaded and with an even temperature, not less than 60 dF (15 dC) for cool growing plants, avoid extremes, preferably ad... Read More

DEFLASKING: Professional Procedures

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use fine fir bark, use lukewarm water, plant firmly but not deeply, avoid strong light, not over 1500 foot-candles and a night temperature of not below 65 dF with humidity not below 75% and provide... Read More

DE-IONIZERS: To Remove Sodium From Water

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The best solution is a de-ionizer machine. OD76-122 Read More

DENDROBIUM AGGREGATUM: Watering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago After growths are completed, water lightly only to preserve plumpness and mature growths. A67-139 Read More

DENDROBIUM BEETLE: In Florida

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Small, dark brown, about one-eighteenth inch long; bores into canes; also attacks cattleyas; causes small shot-holes; chlorotic areas appear; does not kill the plant; control with Diazinon 25%EC, 2... Read More

DENDROBIUM NOBILE: Culture of a Problem Type

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Provide plenty of sunlight summer to fall; maintain low temperature when in bud, below 55 deg. F.; provide nitrogen spring and early summer, phosphorous and potassium summer and fall; plant in ungl... Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More