Newly Posted Articles

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

FLASKING CASE: Made Out of a Foam Picnic Cooler

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago How to make and use; refer to A77-929+ 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

FERTILIZERS: As Pot Surface Dressing, What Is Safest?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Liquids are safeest and are effective. A79-370 Read More

VIRUS CONTROL BY CHEMICALS: Control by Use of Lysol

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Medical disinfectants are useless against plant virus; moist heat, caustic solutions and several others are best. A68-617 Read More