Category: Cattleya Alliance

CATTLEYAS: Flowers Open Prematurely

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cloudy weather causes short-day effect and stimulates flowering; weak light causes lack of carbohydrates. A77-619 Read More

CATTLEYAS, MINIATURE: Sheathing Removal From Pseudobulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is recommended at repotting time to remove a sheathing if it is brown or dark, to check for fungi or hiding insects as it is a favorite place for them; treat with an insecticide or miticide and ... Read More

CATTLEYAS, BIFOLIATES: Culture of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When moved to single pots they differ from those in community pots by requiring slightly cooler temperatures, slightly brighter light and slightly less moisture. A87-615 Read More

BLACK ROT: On Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control with Truban or Dexon-35; Truban is gaining favor over Dexon-35; drench or soak in 1 tpg. A72-341; A75-680; A79-1112; use Tersan or Fermate. S198 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

LAELIAS: Hereditary Influences

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In breeding, they have dominant characteristics; refer to A60-14 Read More

LAELIAS: Rupiculous Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaves should have a red tinge by being exposed to very bright light; they grow on mountain tops on rocks in full sun in winter and slight shade in summer; they need good air circulation; nightly d... Read More

EPIDENDRUM NOCTURNUM: Variability

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Genetically it is one of the most variable and widespread in America. A77-888,893 Read More

CATTLEYAS: Flared Petals

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Flaring is a rather unstable characteristic which varies from one blooming to another; it is known as peloria; the Lc's. stem from Laelia purpurata; the straight cattleyas from C. intermedia, espec... Read More

CATTLEYAS: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To flower moderately well they should have 1,500 fc. A79-124; no buds set if daylight exceeds 18 hours. A80-513 Read More