Category: Ailments

FUNGUS: Spot Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use a paste made of Captan powder and a solution of Physan (1/2 teaspoon in 1/3 gallon of water) and apply it to the affected areas with Q-tips. OD87-154 Read More

PHYSAN 20: Application

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 1/2 to 1.5 tpg. for most fungus and bacteria; use 2 ttpg. for sterilizing tools. A79-272 Read More

VIRUS - MERISTEMMING: Elimination by Meristemming Is Not Likely

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A significant part of meristem multiplication is by cell differentiation of presumably virus-infected cells, and these can not be expected to be virus-free. A70-399; A71-622 Read More

VIRUS (GENERAL): Seedlings Not Likely Free of Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 CONTROL BY CHEMICALS: Anti-virus Cutting Board

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 Inactivating

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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 almost 8 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 almost 8 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

PESTICIDES: Toxicity to Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a table with generic and trade names, their toxicity class, Lethal-Dose/50 data, acute dermal and inhalation toxici ties for 18 common brands, refer to AH86-66 Read More