Newly Posted Articles

KELTHANE: Miticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Also known as difocol; effective against false spider mites and non-resistant strains of spider mites; use two applications seven to ten days apart, with follow-up sprayings to clean up infestation... Read More

CORK: As Mounts for Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago C. aclandiae, C. walkeriana, C. nobilior, and C. schilleriana, all Braz ilian bifoliates, grow on fissured bark or moss-covered rocks in a pronounced wet and dry seasonal change; cork allows roots ... Read More

LIME: Pointers About it

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Composted fertilizers never contain it; it is always added to peat mixes in order to supply missing calcium; Rockwool and Oasis have no buffering ability for lime; the deficit of Calcium is reveale... Read More

ANGRAECUMS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 55 degrees F. at night; 50% relative humidity; 2,000 fcs. winter, 4,000 fcs. summer. AU71-135 Read More

CYMBIDIUMS: Tissue Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Knudson C medium enriched with banana homogenate at lOO gr. produces larger protocorms and millions of them; mericloning has spread virus to epidemic proportions; five ways to prevent its spread; r... Read More

SEEDLINGS: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For techniques and procedures, culture media, source of supplies, for tropical and terrestrial types, refer to OB11-243 Read More

ANTS: How to Kill in Cymbidium Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Ficam-W dust is better than Chlordane and less toxic. A79-910 Read More

ANTS: Nesting Between Osmunda and Bark Slab Requires Control Safe for Visiting Hummingbirds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Spray around the "nest" and base with Chlordane WP, A71-249 Read More

ALCOHOL, ISOPROPYL: For Insect Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 70% strength applied directly kills scales, mealybugs, red spiders, aphids, thrips; it comes in a plastic container, is available in drugstores; a small hand sprayer can be attached to the containe... Read More

ORCHID GROWERS: Ten Commandments for Them

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 1.Learn basic culture. 2.Provide proper facilities. 3.Watch for creeping obsolescence. 4.Learn about diseases and pests . 5.Buy good stock . 6.Learn the names and watch the labeling. 7.Be aware of ... Read More