Category: Orchid Doctor

IRON: Stains

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Red-brown iron stains can be kept off the leaves only by keeping the water carrying the iron from dripping there. A86-42 Read More

IRON: Well Water Contaminant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaves of plants get rusty; rust removal filters charged with potassium permanganate are not safe to use with plants. A72-151 Read More

ISOPROPANOL: As Virus Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A ten minute soak did not destroy the infectivity of Cymbidium mosaic virus. P68(4)5 Read More

ISOTOX: Active Ingredient Is Benzene-hexachloride

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Its active ingredient is inadequate for outside-grown plants returned to the greenhouse in the fall to rid them of pests, so supplement it with sprays of Kelthane at ltpg. and Malathion at ltpg. A8... Read More

ISOTOX: Ingredients

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In 1987 these were given as Oxydemeton-methyl 5%, carbaryl 5%, and difocol at 2%. RMH Read More

ISOTOX: Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A systemic for mealybug reformulated about 1982; use with caution. A82-159 Read More

JEWEL ORCHIDS: Characteristics and Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Five genera treated; refer to A62-85+ Read More

JEYES FLUID: Disinfectant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Registered for soil conditioning in the U.K. it is used as a spray against such orchid pests as black spot, red spider mite; is useful for eliminating slugs and snails; has been tested on cymbidium... Read More

JUDGING: Awards Listed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For AOS awards, with descriptions, growers,etc., plus occasional evaluative or critical articles on the judging process, refer to AOS Awards quarterly, 1970 to date. 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