Category: Orchid Doctor

CYMBIDIUMS: Converted

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Problems of altered clones; refer to OA85-210; proposal for solution, A086-87; the 4n controversy, a scientific view, OA86-122; OR81-172 Read More

CYMBIDIUMS: Converted Backbulbs, Starting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They will start on their own; clean them well, place upright in a flat under the bench; pot up when growth begins. A86-1031 Read More

CYMBIDIUMS: Cool Nights Are Required to Start Spikes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A common belief, but it has not been proven; they spike in California in the hottest months of August, September and October; in Hawaii they spike at about 65 deg.F; it may be a contributing factor... Read More

CYMBIDIUMS: Crosses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To have a chance of obtaining one above-average plant from a cross, a flask of 25 or 50 seedlings is needed; if you cross your own and raise 500 plants the chance is increased. AU79-97 Read More

CYMBIDIUMS: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Expert advice on light, temperature, watering and humidity, fertilizing, potting, dividing, virus and diseases, pests, etc. refer to A85-697;841 Read More

CYMBIDIUMS: Culture Basics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The modern expertise, in some detail: Light, temperature, watering, humidity, fertilizing, repotting, mixes, diseases, and other important aspects, refer to A85-697; 841 Water weekly, never let ... Read More

CYMBIDIUMS: Culture to Induce Spiking

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago "full-sun" treatment can be successful; give as much sun as possible in the summer including risk of sunburn and with more water and fertilizer, OD68-244The day-night temperature change must be 20 ... Read More

CYMBIDIUMS: Deformed Buds and Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Occasionally this is caused by low night temperatures followed by exposure to strong early morning sunlight. AH43 Read More

CYMBIDIUMS: Die-back of Labellum

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Very cold nights cause tips to die back in certain hybrids. AU78-143 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