Newly Posted Articles

TODEA: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A fern of the osmunda family; in Australia it was a good medium if handled properly; used before the advent of barks, etc. AU79-198 Read More

TODEA: Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A fern native to New Zealand, identical in appearance to osmunda; it is now protected. A75-713 Read More

TORCHES, GAS: For Steriliz Ing Ins Truments

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Several kinds are on the market which are self-igniting on pressing a button which starts the flame, like a cigarette lighter; they are convenient and save fuel. OIE86Jy-6; -87Non-17 Read More

PLANT HEALTH SYSTEMS: Significance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plant cells are damaged by pathogens and if air is present, the phenolic compounds in these cells form products toxic to the pathogens; refer to AU78-93 and following Read More

MOSS, FERN: An Excellent Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Thuidium delicatulum grows mostly on half-rotted trees and logs on the forest floor in sizeable sheets; after three years experiment with it only paphiopedilum didn't: grow well on it because it wa... Read More

HAWAIIAN BAMBOO ORCHID: Arundina Graminifolia Syn. A. Bambusifolia

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Its culture; usually grown outside in rich loam plus leaf mold and bark in full sun, well watered; not easily flowered in pots in greenhouses. A76-795; A. arminifolia; for potting mix refer to A80-630 Read More

CATTLEYAS: Leaves as Indicators

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Avoid plants with red color unless all the seedlings show red; avoid pleated or irregular leaves. ODA78(l)23 Read More

CATTLEYAS: Leaves with Hooks on Their Ends

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A pronounced hook to the leaf indicates an award-potential plant; also the lower third of the leaf will be the widest. ODA78(l)23 Read More

PAPHIOPEDILUMS: Growing Under Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Success, with control of heat, light, ventilation, humidity, medium, potting, watering, fertilizing, insect and pest controls, benches, buying plants; for details refer to OD86-99 Read More

PAPHIOPEDILUMS: Hybrids with Phragmipediums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are they possible? -- although some attempts have been made, there are few flowers; for the history, cytological studies, chromosome counts, etc., refer to A85-6x Read More