Newly Posted Articles

LIGHTS, GROWING UNDER: Comparison of Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 500 paphiopedilums grown under fluorescent lamps and the same number grown under high-pressure sodium lamps (SON/T) for nine months indicated the latter were better; also cheaper to install; they a... Read More

LIGHTS, GROWING UNDER: Personal Account

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Notes on general culture, temperature, humidity, suitable species, for considerable detail refer to Ca87(2)-14 Read More

GROWTH CHAMBER: For Germination of Seeds

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Constructed economically from an old refrigerator, with light and temperature controls; diagrams illustration; refer to A64-102+ Read More

LIGHTS, GROWING UNDER: Sodium Vapor Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The effect of one lamp shining in the neighbor's back yard all night should not disturb cymbidium's growth cycle as they are responders to temperature much more than to light; many other plants gro... Read More

PAPHIOPEDILUMS: Pollinization

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The stigma and how to find it: it is a foot-like structure suspended by the column; it hangs down into the pouch; the under surface receives the pollen. A78-309 Read More

LIGHTS, GROWING UNDER: Suitable Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A list of 42 successful plants, hybrids and species which flowered; plant size; light intensity required; color of flowers; length of bloom; season; and comments; refer to ODA77(2)-14+Successful fl... Read More

PAPHIOPEDILUMS: Fertilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They do well without it for as long as several years then become poor in condition; feed at one-fifth strength high in nitrogen weakly, not weekly; water the day before. OD86-139 Read More

LIPIDS: Growth Promoters

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The increase in yield in agricultural crops exceeds those with TRIA (Triacontanol) and they deserve testing for spraying seedlings ex-flask; commercial preparations are patented by A.J.Welebir; the... Read More

LUDISIA DISCOLOR: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It may be grown in a terrarium with gravel or crock drainage covered with bark, shredded osmunda (or sphagnum), leaf mold, perlite or small gravel as a mix, with a night temperature of 65 to 70 deg... Read More

LUMBER: Treated with Copper/chrome/zinc

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This has been used for many years to construct greenhouses in the USA, also children1s playground equipment; inhalation of the sawdust created by sawing or sanding of the wood can be toxic; the smo... Read More