Category: Cymbidiums

CYMBIDIUMS: Symptoms of Phosphorous Deficiency

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Plant won't bloom; lack of phosphorous causes delay in reaching maturity. OD71-278 Read More

CYMBIDIUMS: Pots Standing in the Wet

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In rainy conditions a film of water links all plants and from an infected one can spread phytophthora, rot, fungi, bacteria, even virus. OA80-79 Read More

CYMBIDIUMS: Trace Elements Required

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Main ones are iron, magnesium, molybdenum, and boron. A88-11 Read More

CYMBIDIUMS: Potting on

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Plants with five to nine bulbs with no backbulbs, or only one or two, should not be divided but potted on. OD68-122 Read More

CYMBIDIUMS: Propagating by Backbulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Dormant vegetative eyes on the side are capable of new growth when detached, cleaned, set in flats filled with finer bark, or placed directly into pots and shaded. A83-148 Read More

CYMBIDIUMS: Pseudobulbs, Mature

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Maturity is reached when eight to 10 leaves have grown; spike initiation should occur. OA78-166 Read More

CYMBIDIUMS: Red Spider Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use Temik once or twice a year to discourage build-up; during flowering season the two best miticides are Pentac and Vendex plus wetting agent, because they are gentle on flowers and do not cause b... Read More

CYMBIDIUMS: Rot on Leaves, Had Unpleasant Smell

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago May be Erwinia carotovora a virulent bacterial condition; bare root the plant, cut out all rot, soak roots and base in Physan or a good fungicide/bactericide for 1/2 hour, dry out, pot and run dry.... Read More

CYMBIDIUMS: Spotting in Cut Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It's related to four causes: disease, insects or pests, physiological spotting, or, mechanical spotting; for much detail refer to OA80-140 Read More

CYMBIDIUMS: Deformed Buds and Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Occasionally this is caused by low night temperatures followed by exposure to strong early morning sunlight. AH43 Read More