Newly Posted Articles

DENDROBIUMS: Medias

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Those from Thailand do best in a sphagnum-bark mix, or pure sphagnum because of their need for moisture; others used are a very coarse bark and polystyrene mix, or, even in a fine river grit alone.... Read More

DENDROPHYLAX: Problem Genus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Give them light at 1800 to 2400 fc, humidity at 40 to 60%, minimum night temperature of 65 dF and water weekly at least. A86-383 Read More

DENTS: Cymbidium Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 4 parts wood shavings to 1 part fowl manure, matured for six months, wetted up to six weeks before use in medium. OD79-167 Read More

PSEUDOBULBS: Cracking

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleyas sometimes develop horizontal cracks or breaks in their pseudobulbs and the upper part can break off under the weight of the flowers; the cause in not known; it may be genetic; illus. AH59... Read More

PESTICIDES: Data and Conduct

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Explanation of all the terms for 11 fungicides used on orchids; 23 insecticides with trade names and toxicity ratings; for details refer to NZ86-47; for classification of them see OA82-113 Read More

DETERGENTS: As Wetter-stickers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mild detergent, such as "Palmolive Green" can be used as an addition to a spray; use lightly, about 1/4 tpg. A63-213; A76-611 Read More

DEXOL: Granule Treatment for Mealybugs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They seemed to become resistant to it so recourse was had to using alcohol mixed with water, swabbed on. OIE-87Jy-2; a granular systemic. OIE87Jan-8 Read More

DIMETHYL SULFOXIDE: Control of Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Has been used on aroids with aspirin, no explanation; no case reported of use on orchids. A85-1119 Read More

DIMITE: Toxicity Reactions in Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Nervousness, tremor, dizziness and convulsions. A68-583 Read More

DIPLOIDS: Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The main source of deeply colored flowers; many produce long spikes with colorful flowers; they have vigorous, hardy plant growth; good diploids rank with the very best. OA79-8 Read More