Category: Orchid Doctor

COLORS OF FLOWERS: Red in Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Red in orchids is connected with smallness; fiery reds are tricky especially in oncidium breeding and lead to small flowers; most spots and splashes are red; out of a dozen flasks of a "red" cross ... Read More

COLORS OF FLOWERS: The Important Descriptives in Latin/greek/english

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Albo-/leuco/white; virido-/chloro-/green; flavo-/xantho-/yellow; roseo-/rhodo-/red; nigro-/ melano-/black; purpureo-/porphyro-/purple; viola-/iono-/violet; aureo-/chryso-/gold; vini-oeno-/wine. AA8... Read More

COMMERCIAL GROWING TECHNIQUES: Cattleyas for the Cut-flower Trade

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To make money the grower needs plants that are productive and flowers that are desirable in shape, color, size and charm; culture methods given; controlling flowering dates; difference in potting; ... Read More

COMMUNITY POTS: How to Accelerate Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Under lights leave Gro-Lux on all night until plants reach flowering size, then reduce to 13 to 14 hours daily. A71-783 Read More

COMPATIBILITY AND INCOMPATIBILITY: Breeding in the Oncidium Alliance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Self-incompatibility is common, up to 68%; test included 32 oncidiums, 2 brassias, 1 miltonia, 1 odontoglossum and 1 rodriguezia, NH77(3)12+ Read More

COMPOST: Mixing Old with New

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A bit of the old mix may carry spores of indigenous mycorrhiza beneficial in the new mix, but the results take so long that the benefits are doubtful. OR85-137 Read More

COMPOST: Organisms in Form of Tiny Yellowish Spheres Appear

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are fungus fruiting bodies or fungus exudates; not harmful. A73-155 Read More

COMPOST: Sterilizing to Eliminate Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cymbidium compost can be heated to 180 to 190 deg.F. for thirty minutes. A71-21 Read More

CONDENSATION: Of Water on Greenhouse Walls and Plant Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To avoid this, exhaust the humid air by means of a small fan. A78-606 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