Category: Orchid Doctor

CATTLEYAS, BIFOLIATES: Flower Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In December and January when most problems arise, the alliance is fussy about conditions necessary to produce good flowers because of the lack of light, etc.; good light, a steady supply of food an... Read More

CATTLEYAS, BIFOLIATES: Flowers Get Smaller From Year to Year

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This is not unusual with plants grown in the home or under lights where a change in culture is involved contributing to a loss of vigour or energy; a greenhouse produces better flowers usually. A84... 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: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Some hybrids need short days and long nights in winter to initiate inflorescences. A87-33 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

CATTLEYAS, MINIATURE: Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Miniaturization and its advantages in the small greenhouse; the best clones for breeding, their main characteristics, crossing with other genera; for details refer to W10-165 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, 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

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More