Newly Posted Articles

FUMIGATION, U.S.D.A.: Counter-acting Effects of Fumigation of Imported Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago An anti-transpirant sprayed on orchids prior to import would be of no value in countering USDA fumigation damage. A79-674 Read More

AIR MOVEMENT: Excessive

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Too much air turbulence for the frequency of watering indoors can cause retardation of plant growth, so don't overdo it. A86-363;382 Read More

ORCHID FLY: Characteristics and Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago A tiny wasp; larvae feed inside flower buds, pseudobulbs or new shoots of cattleyas; once controlled by DDT; occasional infestations now reported. AH7 Read More

MILLIPEDES: Control in Potting Media

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Use 2 ttpg. Diazinon 25% liquid concentrate applied as spray. A73-409; use Diazinon definitely; the wettable powder (WP) form is less likely to cause harm to plants at 2 ttpg, A79-4 Read More

MILLIPEDES: Damage Done

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Millipedes do not harm plants. A76-14 Read More

WATERING: Errors

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago By dunking a plant in a pail an ailment can be spread from one plant to another. A82-1178 Read More

ODONTOGLOSSUMS: Non-flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago If the plants are in good growth, to induce flowering a rather severe reduction in light for a few weeks is advised. OR76-362 Read More

CYMBIDIUMS: Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago After deflasking, start them in green moss which is available at most garden shops; roll some seedling roots in a strip of moss and place the wad in a pot as a cluster. OA86-207Always cull them; 95... Read More

MITES, RED SPIDER: Control in Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Also know as two-spotted mite; in cool weather the adults change to the "carmine form"; first signs come usually in spring; during winter they seek shelter; controls: space the plants well apart; s... Read More

MITICIDES: What's Recommended in 1987

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Kelthane is off the U.S. market and Metasystox is restricted in some states of the U.S.; a "soap" may be the answer for some. A87-1174 Read More