Category: Ailments

SOAPS: As Insecticides

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Detergents are as good as soaps; liquid soap is as good as dissolved chips from bar soaps, any popular brand of soap is as good (almost) as a commercial soap insecticide but they must be used with ... Read More

SPIDERS: In the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are mighty hunters of insects; Miturga lineata with a three inch leg-spread, brown and gray, moderately hairy is very useful; enough of them can keep a house free of insects; they hide during ... Read More

VIRUS TRANSMISSION: By Mechanical Transmission

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Mainly by contaminated knives, scissors, stakes, wires, string and dirty hands. OD78-95 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 IN PLANTS NAMED: Detector Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Spathoglottis is sensitive to any virus; seedlings on exposure to virus denote its presence in four to six wks. after inoculation as diamond-shaped spots or rings; refer to N326 Read More

VIRUS IN PLANTS NAMED: In Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cymbidium mosaic virus; necrotic ringspot; diamond mottle; bar mottle; odontoglossum ringspot; for notes on identification, etc., refer to N323+ Read More

VIRUS: Detection and Diagnosis

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The technical process with a light microscope; refer to A86-996; principle and applications used; indicator plants and electron microscopy; light microscopy serology; necessary equipment; incidence... Read More

WETTER-STICKERS: To Use with Benlate

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Good ones are Tween 20, Rhom & Haas-B 1956, Dupont wetter-sticker; refer to A73-155 Read More

MITES (GENERAL): Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago During egg stage and three chrysalis stages they are relatively immune to pesticides, especially to organic phosphates (Malathion,etc.); mites develop resistance to one pesticide which makes relate... Read More

MITES, FALSE SPIDER: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most vicious and destructive of pests; too small to be seen even with a magnifying glass unless it's a 10X, 14X lens; phalaenopsis mite (Tenuipalpus pacificus) attacks ferns and orchids; they do no... Read More