Newly Posted Articles

FERBAM: Black Powder Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fermate; it controls some rusts, can be used to dust cuts; now superseded by benomyl. C.Fitch, All about orchids (1981) 222. Read More

FERNS: In the Same Pots with Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They steal food; reduce air circulation in the pot; rot the compost; the spores spread ferns to every other pot; remove them. NH74(1)20 Read More

FERTILIZERS: "bloom Booster"

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Application should alternate every two or three feedings in a mixed collection with one of high nitrogen but the frequency should be reduced for winter. A85-872 Read More

STERILIZATION: Tools (general)

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Heating knives to red hot can distemper the metal; use cheap knives with non-conducting handles; single razor blades are good but can cause nasty cuts and they deteriorate quickly from rusting, etc... Read More

SEED: Viability Test

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago By the use of tetrazolium; for an explanation and methods followed, refer to OR78-258+ Read More

REPOTTING: When in Doubt

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Repot paphiopedilums any time because it is almost impossible to repot them too often; if a plant shows sgns of stress or suffering, repot it. OR80-162 Read More

RESMETHRIN: As An Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is useful for gnat control, a one percent aerosol can be used againt adults. AH86-59 Read More

LIGHTS, ELECTRIC: Vho Lighting System and Its Life Expectancy

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 800 milliamp VHO tubes are rated at 12,00 hours, about 2.5 years; 1,500 milliamp rating is 9,000 hours, less than two years. A74-708 Read More

LIGHTS, GROWING UNDER: Hours of Illumination

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago From March to August provide 16 hours daily; January-February, and September-October 15 hours; and for November-December, 14 hours; results in an "early" spring. A75-30 Read More

BENLATE: On Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused production of infertile pollen. A79-898 Read More