Category: Cymbidiums

CYMBIDIUMS: Sterility in Hybridizing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For the most part, first generation miniature hybrids are sterile; most efforts to get seed from them are futile; Arno Bowers was an exception as hybridizer. A64-5 Read More

CYMBIDIUMS: Sterility Problems in Hybrids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Suspect low-level fertility in the first generation plants can be confirmed by microscopic examination of pollen; refer to OA81-72 Read More

CYMBIDIUMS: Yellows and Greens

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They do not bloom reliably until they grow up to large tub size. OA83-114 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: 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: Feeding Program

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Basic is a high nitrogen fertilizer of 30-10-10 or 30-10-12, 1 tpg. every 10 days or two weeks, January to June; 6-30-30 July to December to induce spikes; a top dressing of slow release food such ... Read More

CYMBIDIUM BACKBULBS: When to Remove From New Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago After backbulb has become established and is well rooted and beginning to form a backbulb of its own, the old bulb can be removed and used to start another growth if it is still plump. A67-45 Read More

CYMBIDIUMS: Propagation, the Fastest Way

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Make single back bulbs of a plant and grow all the pieces. A64-490 Read More

CYMBIDIUMS: Blisters on Backs of Sepals and Petals, Cause

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Red spiders cause them, if they are without discoloration; aphids cause discolored spots and necrotic lesions. A64-693 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