Category: Ailments

BENLATE: On Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Caused production of infertile pollen. A79-898 Read More

COCKROACHES: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago An effective, easy poison is Baygon bait. A77-314Under benches Chlordane is recommended. N329 Read More

COCKROACHES: In Orchid Houses

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In Australia a cockroach likely from Central America lives among and on epiphytic roots (Imblattella orchidae) AU87-Spring-14 Read More

PETAL BLIGHT: Caused by Fungi Other Than Botrytis

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 16 other fungi have been found as causes; many are saprophytes living on decaying leaves, flowers, potting mixes; all such must be removed from under benches and bench tops; periodical spraying of ... Read More

PESTICIDES: Excessive Uses

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A preventive spraying program leads to phytotoxicity in the plants. A76-698 Read More

PSEUDOBULBS: Disfigured by Horizontal Cracking

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago These unusual splits are physiological disorders which weaken the pseudobulb: and easily cause breaking, sometimes by its own weight. A85-1335 Read More

COLOR BREAK: Caused by Other Than Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Some plants produce abnormal flowers with a white or light wedge in a petal and may do so every few years. A66-134; OD71-199 Read More

ROOT ROT: In Seedling Flats and Pots

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use Shell Drench #345 added to the normal feed solution; it is toxic, so handle with care; is also expensive but a little goes a long way: 2.5 fluid ounces in a gal. of water is the STOCK solution;... Read More

PHYSAN: Bacterial Action

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Studies have shown that it has good action in combatting bacteria as compared with other agents, especially on the germs Enterobacter and likely Erwinia; considerations of associations with excreme... Read More

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