Category: Cattleya Alliance

SOPHRONITIS COCCINEA: Hereditary Influences

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago In breeding it has many dominant traits; refer to A60-15 Read More

SOPHRONITIS COCCINEA: Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Cultural direction: grow it on osmunda or sphagnum moss and fine tree-fern; give it high humidity and keep it growing; keep the potting medium moist but well drained; give it half shade in cattleya... Read More

CATTLEYAS, BIFOLIATES: Change to Unifoliates

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Seedlings often show bifoliate ancestry but mature and flower as unifoliates. A84-1182; A87-950 Read More

CATTLEYAS, BIFOLIATES: Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Bifoliate yellows, bronzes and greens from Brazil, especially the importance and place of C. aclandiae, granulosa, velutina, forbesii; their pros and cons in breeding; habitats and cultivation in f... Read More

CATTLEYAS, BIFOLIATES: Breeding for Whites

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago If two whites are crossed and one has a C gene and the other an R gene the progeny will all be purple. F86-172 Read More

CATTLEYAS, BIFOLIATES: Bud Drop

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Can be caused by temperature too low for proper development or by a shortage of water, or by the presence of ethylene at a concentration of one part per million or more. OR82-101 Read More

CATTLEYAS, BIFOLIATES: Bud Rot in Sheath

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Caused by rise of amount of moisture in the sheath through excessive watering practice, or a rapid chamge in the temperature such as is caused by the winter sun in a cold greenhouse. F87-123 Read More

CATTLEYAS, BIFOLIATES: Control of Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago About June 1, cover the plants each night with black cloth draped over a rack completely at 5 P.M. and remove in the morning at 8 A.M.; flowers start in July and peak in August and September when m... Read More

CATTLEYAS, BIFOLIATES: Cultural Problems Set Right

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For professional advice on light requirements, specific temperatures to use, watering practices, humidity levels, fertilizing routines, etc., with much related detail, refer to A83-129; 344;469;612 Read More

CATTLEYAS, BIFOLIATES: Culture Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Root problems, light problems, variations in flowering and sheathing, budding and malformations; for advice refer to A84-494 Read More

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