Newly Posted Articles

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

PHENOTYPE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago How the flower appears to the eye. NH78(l)-9 Read More

GERMINATION, SYMBIOTIC: Terrestrials

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A method with formulae for raising Australian terrestrials for conservation purposes; specificity between plant and fungus, advantages of the method. WlO-269 Read More

MICROCLIMATES: In Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Nearly every growing area has them; in most greenhouses there is a cooler level at the bottom and a warmer area at the top. ODA76(3)-6 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