Newly Posted Articles

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They should be purchased for short-term use; mark the date of purchase on the container; most keep their effectiveness for two or more years if stpred properly; signs of ineffectiveness in dusts an... Read More

CATASETUMS: In Florida

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Their description and life cycle; six species most frequently found on orchids; no controls given; refer to DK15+ Read More

MOUNTS: Watering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Do it thoroughly; water runs off them easily and wets only superficially; evaporation is rapid and salt build-up is a good possibility. A74-772 Read More

BARKS, SUITABLE: Other Than Douglas Fir

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Silver birch, the rough part from the base of the tree; it is heavily crevassed with many a lay er of dead cells to decompose; also chestnut, pear and apple. N79-163 Read More

CATTLEYAS: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

PH (GENERAL): Potting Media

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Acidity, alkalinity and orchids: the definition of pH; the pH scale; pH and orchids; control of pH, etc.jrefer to AU80-37+Test for pH using litmus paper: soak several tablespoons of the media from ... Read More

PERISTERIA ELATA: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cultural directions: the vital rest period may be missed if use of frequent liquid fertilizings stimulates the vegetative growth, if there is strong light during the night; temperatures should be a... Read More

PESTICIDES: Non-use

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Some good growers rarely use them; they rely on good culture, with pest-free results. A76-698 Read More

MOUNTS: Advisability of Using

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Every one of your plants should be mounted if space allows; place the plant in an empty pot where it gets only humidity until its roots break out,then place it on cork bark, or locust bark, or sass... Read More

MOUNTS: Advantages

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago After much experimentation cork bark was preferred for a large collection in California for the following: small cattleyas, dendrobiums, oncidiums, coelogynes and barkerias; much cultural advice th... Read More