Newly Posted Articles

WATER, HARD: With Activated Charcoal to Remove Calcium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It will not work; only certain types of organic compounds are filtered out; units for doing the job properly are not cheap; best bet is to catch rainwater. A74-433 Read More

MYCORRHIZA: A Fungus

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago For a review of its characteristics and relatione ship to growing orchids, refer to OD75-100; also, ODA69-21 Read More

WETTING AGENTS: Recommended Brands

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Du Pont Wetter-Sticker B-1956 and Tween-20; mild dish-washing detergents such as Palmolive Green, and Joy, and others like them. A63-49; A76-611 Read More

FLASKS: Best Time to Remove Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The larger the seedlings are the better their chance for survival, providing they are not being set back in the flask. F69-149 Read More

VANILLA: Easy Greenhouse Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Soli mix of peatmoss, leaf mold, small grade osmunda (sized?) and fir bark with some Perlite a mix in a well-drained receptacle or pot is good; do not over-water, provide some support for it to cli... Read More

VANILLA: Species to Be Grown Commercially

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago In the Caribbean area Vanilla planifolia is the commercial choice of several found there; for advice see The orchids, a scientific survey, ed. by Carl Withner (1959) A84-1306 Read More

VAPONA STRIPS: As An Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Their effectiveness for pest control indoors is vouched for. OIE85My-14; caused skin rash. OIE88Apr-9 Read More

VIRUS CONTROL BY CHEMICALS: Control by Washing Hands

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The use of handsoap for washing hands after handling plants, especially virused plants, is strongly recommended. C73-130 Read More

VIRUS IN PLANTS NAMED: In Dendrobium Ovules

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Cymbidium Mosaic virus is not transmitted in ovule culture, A79-1247 Read More

COOL-GROWING PLANTS: In Warm Areas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Provide individual up-close humidity and coolness by using cement/asbestos pipes as "cooling cylinders", as mounts for the plants and keep the containers filled with water. A81-1228 Read More