Category: Cattleya Alliance

Orchid doctor

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

Posted by Sys Admin almost 3 years ago Use night temperature of 55 deg.F, not 68 deg.F.; divide plant. A79-4 Read More
Orchid doctor

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

Posted by Sys Admin almost 3 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
Orchid doctor

CATTLEYAS: Two-month Old Sheaths Do Not Produce

Posted by Sys Admin almost 3 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
Orchid doctor

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

Posted by Sys Admin almost 3 years ago Do not remove weak growths, they produce photosynthates. A71-609 Read More
Orchid doctor

CATTLEYAS: Reasons for Non-flowering

Posted by Sys Admin almost 3 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
Orchid doctor

CATTLEYAS: Seedlings Received with Stems Black or with Brown Streaks

Posted by Sys Admin almost 3 years ago For details of treatment refer to A73-326; spray heavily with Truban 1 tpg.; not a virus disease. A73-991 Read More
Orchid doctor

CATTLEYAS: Tetraploids

Posted by Sys Admin almost 3 years ago Can be identified by the thick succulence of their leaves and their sharp edges. ODA78(1)23 Read More
Orchid doctor

CATTLEYAS: Unifoliate Sometimes Grown Bifoliate and Even Trifoliate

Posted by Sys Admin almost 3 years ago Depends on culture and environment; better conditions stimulate bifoliate leads; wrong temperatures and long periods of light inhibit flower initiation. A70-916 Read More
Orchid doctor

CATTLEYAS: Yellow Flowers Show Crippling

Posted by Sys Admin almost 3 years ago Lineage is more responsible than environment; some yellows vary from year to year, and from stem to stem. A76-1102 Read More
Orchid doctor

LAELIAS: Cold-tolerant Hybrids

Posted by Sys Admin almost 3 years ago Not all of them are cold-tolerant, as for out-of-doors conditions but many species can be grown with cymbidiums, above all the favorite L. anceps; for details and names refer to OA82-134 Read More

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