Category: Orchid Doctor

VIRUS (GENERAL): Diseases of Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A scientific review; refer to Wl-431-f; OR77-195+; OB1-186+Those which infect orchids are few in numbers and largely restricted to the Orchidaceae: they are Cymbidium Mosaic Virus, Cattleya Mosaic ... Read More

VIRUS (GENERAL): Seedlings Not Likely Free of Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Pollinia from virused plants contain apparently high concentration of virus; the only way seedlings could be free of virus is for the virus to be extruded or inactivated by formation of gametes (po... Read More

VIRUS (GENERAL): Where Does Virus Come From?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Two random surveys have failed to uncover any virus-infected plants in the wild; Africa, Central America, South America and Southeast Asia. F79-173 Read More

VIRUS CONTROL BY CHEMICALS: Anti-virus Cutting Board

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Comprises a jar with denatured alcohol, a single-edged razor blades in slots, a candle and pliers; each blade is dipped in alcohol and ignited by candle after being used to cut flower stems. A64-954 Read More

VIRUS CONTROL BY CHEMICALS: Control by Cleanliness

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Sterilize knives, used stakes, labels, pots, potting tools and by washing hands. A78-226 Read More

VIRUS CONTROL BY CHEMICALS: Control by Disinfectant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For benches and other contaminated areas and for washing hands, use Trisodium orthophosphate (also called sodium phosphate tribasic); put enough in a quart bottle of water so that some remains undi... Read More

VIRUS CONTROL BY CHEMICALS: Control by Inactivating

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago On tools etc., the most effective means is to treat virus with a strongly alkaline solution such as trisodium phosphate, fresh Clorox, or sodium hydroxide. A75-803 Read More

VIRUS CONTROL BY CHEMICALS: Control by Instruments Dipped in Wescondyne

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Wescondyne kills animal virus but does not kill plant virus. A75-803 Read More

VIRUS CONTROL BY CHEMICALS: Control by Sterilizing Equipment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Soaking all materials in Physan overnight in the approved solution is necessary to be effective. A75-1090 Read More

VIRUS CONTROL BY CHEMICALS: Control by Treatment with Penicillin

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Penicillin and other antibiotics is ineffective against virus; it is good for control of some bacterial diseases of a few plants, and rarely for fungus. A74-217 Read More