Newly Posted Articles

CYGON 2E: Insecticide, Systemic

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Also called dimethoate or Rogor E 32%; control for mealy-bug, aphids, red spider mite; use 1.25 teaspoon per Imperial gallon of water; it is not compatible with Captan, Dithane, or copper mixtures;... Read More

ROOTS: Loss, Sudden and Excessive

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Watering with water containing highly concentrated sulfur could cause a buildup; repot, even if out of season; use rain-water. A71-345 Read More

CYMBIDIUMS: Fertilizer Recommended

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Always add organic additives, especially in flasking media; top-dress plants with heated poultry manure, plus Nitrophoska red (Australia) during growing season. OA80-81At Fred A. Stewart's 30-10-10... Read More

CYPRESS CHIPS: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Like redwood fiber it decays slower than fir bark and a 20-20-20 fertilizer should be adequate, used at rate of 1 pound to 100 gallons water per month. A84-1180The medium sized chips might be succe... Read More

FLASKING: Replate Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use the same germinating medium for replating; the Knudson-C formula can be used for both. A70-631 Read More

FLASKING: Detailed Working Instructions with Illustrations and Much Detail

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Refer to A60-597+; A64-759+; A70-599+; A75-109+; OD68-204+ Read More

FLASKING: Reflasking with Kappa Carrageenan (?) as a Substitute for Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Extract from red seaweeds is used in the food industry and cosmetics; experiments with it as an orchid medium for flasking culture and tested comparatively with standard agar media. A83-1174 Read More

FLASKING: Roots Grow Above Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago If exchange of air is not provided roots will reach upward instead of into the agar media. F72-136 Read More

FLASKING: Roots Grow Upon Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most roots grow on the surface; at the sides some grow to the bottom of the flask. A65-832 Read More

PSEUDOBULBS: Twisted Bulbs on Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago These can develop for no apparent reason, except that water lodging in immature growths may be the cause. A85-832 Read More