Newly Posted Articles

FLASKING BOX: Cheap and Adequate

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Made from a cardboard box, saran wrap and aluminium foil; diagrams; refer to A69-286 Read More

FLASKING CASE: Laminar Flow Filter

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago To remove fungus spores the filter should be four microns; for bacteria less than one micron. A74-502 Read More

FLASKING CASE: Made Out of a Corrugated Carton

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For directions and illustration, refer to OD68-77 Read More

MILLIPEDES: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They feed on decaying organic matter, sometimes they feed on roots, especially of seedlings; their presence causes the media to break down early; use a pot drench of Diazinon; it has no phototoxici... Read More

FLASKING FORMULAS: For Germination of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For many of the standard culture media formulae, recipes and application for different genera and species, refer to OBII-243, 275, 279, 324, 334, etc. Read More

SAWDUST COMPOST: Potting Medium for Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Mixed with fowl manure; it is successful with some growers; breaks down easily; can cause root rot; sawdust from "treated" timber may also cause root rot; fowl manure might contain elements harmful... Read More

SHEATHS: Removal Effect on Buds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Removal of the sheath does no harm but the bud stems may be weakened. A72-55 Read More

WATER HEATER: Use a Small Coffee-cup Immersion Heater

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Place it on a piece of styrofoam about 6in. square with the element protruding downwards through a slit in the middle; place it in a 40 gallon plastic garbage can so it floats with the heater in th... Read More

BACTERIAL DISEASES: Unusual Causes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago May include such factors as excremental deposits from birds (outeide), insects, rodents, lizards, etc., on leaves or in pots; for general sanitation use Physan occasionally. A80-1368; OBIV-267 Read More

DAMAGE: Ascertaining Cause of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Look for it in accordance with this order: 1, Handling damage such as bruising, cracking, tearing, etc.; 2, Cultivation, such as water or light damage, overfeeding, heating, etc.; 3, Insect damage,... Read More