Category: Cattleya Alliance

CATTLEYAS: Leaves with Hooks on Their Ends

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago A pronounced hook to the leaf indicates an award-potential plant; also the lower third of the leaf will be the widest. ODA78(l)23 Read More

CATTLEYAS: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago To flower moderately well they should have 1,500 fc. A79-124; no buds set if daylight exceeds 18 hours. A80-513 Read More

CATTLEYAS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For spring flowering: 55 deg.F.nights, 50% relative humidity, 4,000 fc.in summer and 2,000 fc. in winter; Autumn flowering plants need 50 deg.F nights; 40 to 50% relative humidity, 2,000 fc. in win... Read More

CATTLEYAS: No Bloom on C. Mary Schroeder with 20 Pseudobulbs, Half with Sheaths

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Use night temperature of 55 deg.F, not 68 deg.F.; divide plant. A79-4 Read More

CATTLEYAS: Repotted Plants Developed Roots But the Leaves Became Soft and Bulbs Shrivelled

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago To cure, put all in a polyethylene bag, close the top, place it out of direct sun for three weeks for new roots to show. A72-55 Read More

CATTLEYAS: Two-month Old Sheaths Do Not Produce

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It is not abnormal, some species mature their growths months before flowering; growers can make use of lights to extend "length of day" to slow flowering time after sheaths are made up; 75 to 95 da... Read More

CATTLEYAS: Weak Growths in the Winter Because of Lack of Sun

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Do not remove weak growths, they produce photosynthates. A71-609 Read More

CATTLEYAS: Reasons for Non-flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Some leads do not flower under good cultural conditions; a high percentage of them result from too high night temperature; or, from crowding, shrivelled growth from improper watering and root loss,... Read More

CATTLEYAS: Seedlings Received with Stems Black or with Brown Streaks

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For details of treatment refer to A73-326; spray heavily with Truban 1 tpg.; not a virus disease. A73-991 Read More

CATTLEYAS: Tetraploids

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Can be identified by the thick succulence of their leaves and their sharp edges. ODA78(1)23 Read More

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