Newly Posted Articles

REDWOOD BARK: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is very acid; prevents fungi from growing; more nutrients become available in slightly acid medium rather than in alkaline. F72-136 Read More

REFLASKING: An Easy Way

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Thirty days after the initial flasking the protocorms can be transplanted; for directions and technique, refer to A66-729+ Read More

REGISTRATION OF NAMES: And Non-registration

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Parentage declaration and registration at the Royal Horticultural Society is traditional but the rise of patented plants has led to secrecy of breeding lines and non-registration of them; examples:... Read More

REPOTTING: Neglected

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Masses of roots and growths developing outside a pot results in extensive root damage; wait for new roots to show on newest leads; treat the plants as invalids for a month. A67-565 Read More

REPOTTING: Rooting Hormone

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For cymbidiums use a solution of B-One or Superthrive every ten days to aid rooting. OD74-42 Read More

REST: "semi-dry" Rest

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Is it possible to describe "semi-dry" water?; or is this an obfuscation for a type of rest period complete with light spraying with water to keep the pseudobulbs from shrivelling?; plus the rebutta... Read More

REVERSE OSMOSIS: Water Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago An outline of techniques and apparatus used to grow a variety of plants in Canadian peat moss in California using an apparatus and a meter to measure the contents of dissolved solutes (salts and wa... Read More

PH (GENERAL): In Nutrition of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago With a suitable medium, the growth and increments of weight of small plantlets are not affected by the initial pH. W9-67 Read More

RHIZOMES: Circular Growth in a Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Can be achieved by breaking off an eye consistently on one side to force growth inwardly. ODA71-72 Read More

RHYNCHOVANDAS: Old Leaves Are Spotted

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago This characteristic seems to be inherited, both in this genus and in Vascostylis; the older leaves are highly susceptible to fungal infection; use Banrot to minimize the effects. F82-31 Read More