Newly Posted Articles

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

COLORS OF FLOWERS: Genetic and Cultural Interactions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Chlorophyll, flavenoids and carotenoids are the different pigments mixed in different proportions, to provide flower colors and they are affected by factors such as light intensity, temperature, ty... Read More

CATASETUMS: Controls, in Increasing Degree of Toxicity to the User

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Lindane and ethion are equally toxic but lindane is more effective and smaller amounts can be used; it penetrates skin; use disposable rubber gloves. A68-583; OR79-205 Read More

CATTLEYAS, BIFOLIATES: Culture Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Root problems, light problems, variations in flowering and sheathing, budding and malformations; for advice refer to A84-494 Read More

HEATERS: Wood-burning Stoves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are not recommended because they ruin most orchids unless the draft is fully open at all times to discharge fumes into the neighbour's back yard. A81-526 Read More

PH (GENERAL): Of Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments show that if a recommended medium is chosen the initial pH should cause no concern. Hort. revs. 1983-195 Read More

SPOROTRICHOSIS: Infection Contracted From Potting Media

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Sphagnum moss, bark, can carry when wet a subcutaneous infection caused by a fungus Sporothrix schenckii that gains entry through skin lesions; refer to Ca81(2)-19; ITporotricum schenkii, AU85(2)-19 Read More

Q.U.E.: Slow Release Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Characteristics: it does not mold or attract flies; is a balanced food with 12-4-6 formula, with calcium, iron, sulfur and fritted potash; use only every three months. OD66-179; OD67-236 Read More

QUALEX SHEETS: Description

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It consists of two thin sheets of clear plastic held together by plastic ribs and is used as a covering for greenhouses; the doubled skin with air between provides for heat conservation and good li... Read More

HEATERS: Wood-burning Stove

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is apt to emit too much ethylene if it is not properly vented; burning wood is one of the worst sources of ethylene; it is now a crime to burn wood for heating purposes in London. A81-1436 Read More