Category: Cattleya Alliance

SOPHRONITIS: A Problem Genus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Re-establishing newly received plants is best done by placing them in a cool, moist well-shaded location; after rooting give fairly good light. A64-872 Read More

CATTLEYAS, MINIATURE: Pests That Afflict Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Scales, leaf- and flower-spotting fungi, black rot and virus infection, types, discussion, recommended chemical and cultural controls, with illus.; refer to A84-122 Read More

CATTLEYA WALKERIANA: A Difficult Plant to Grow

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is often grown on a slab of wood, bark or tree fern, high up in the greenhouse for good light; grown relatively dry, on which it thrives. A66-765 Read More

CATTLEYAS, MINIATURE: Breeding and Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Breeding guidance and plant criteria for a large number of species and hybrids in Sophronitis, Laelia and Cattleya; refer to A82-460Definitions, requirements, cultural advice, from temperatures to ... Read More

CATTLEYAS, BIFOLIATES: Bud Drop

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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: Change to Unifoliates

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Seedlings often show bifoliate ancestry but mature and flower as unifoliates. A84-1182; A87-950 Read More

CATTLEYAS, BIFOLIATES: Hybrids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Day length and temperatures necessary to induce buds: those with C. labiata or C. mossiae in their forbears usually flower during short days (fall, winter, spring) and can be controlled to flower t... Read More

CATTLEYAS, BIFOLIATES: New Growth Turn Black

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This could indicate starvation from loss of roots or overlong day lengths. A86-274 Read More

CATTLEYAS, BIFOLIATES: Stems Elongated and Weak

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A period of overcast days can cause flower stems to lengthen and hang down, expecially in long-stemmed types. A88-280 Read More