Category: Orchid Doctor

PESTICIDES: Applicator's Licence

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A restricted pesticide applicatorf s licence can be obtained by anyone who buys the government pesticides manual and passes an exam after taking a course given by Agriculture agents; the manual alo... Read More

PESTICIDES: Available Only to Commercial Nurseries

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Agricultural chemicals are strictly regulated and their availability is usually restricted before being made available as a consumer package, and it may be delayed for years; repackaging into small... Read More

PESTICIDES: Characteristics and Dangers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A recent review of them from the orchidist's viewpoint and requirements, with an LD50 list; refer to AU80-25+ Read More

PESTICIDES: Chemicals

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a list of those used in plant disease control, with both common and chemical names, their Lethai Dose-50 rating and their use as either systemics, fungicides, disinfectants, bactericides, algic... Read More

PESTICIDES: Classification

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Chemical relationships: Organo-phosphates: Parathion, TEPP, Sulfotepp, Dibron, Systox, Metasystox-R, Thimet, Cygon, Diazinon, Ethion, Malathion, Vapona; 2: Chlorinated hydrocarbons: Chlorobenzilate... Read More

PESTICIDES: Compatibility

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mixing of two brands is often done but combinations may injure plants where each singly does not; mix powders with powders, E.C's. with E.C's., always in the same class of pesticide. AH86-66 Read More

PESTICIDES: Compatibility Charts

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Charts of pesticides that can be mixed before applying have been published; two addresses given; Kelthane and Malathion are compatible. A69-793 Read More

PESTICIDES: Data and Conduct

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Explanation of all the terms for 11 fungicides used on orchids; 23 insecticides with trade names and toxicity ratings; for details refer to NZ86-47; for classification of them see OA82-113 Read More

PESTICIDES: Excessive Uses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A preventive spraying program leads to phytotoxicity in the plants. A76-698 Read More

PESTICIDES: For Home Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use fungus control materials not essentially dangerous but designed to eliminate insects, such as Malathion, Kelthane, Diazinon and Pentac, all safe to use but be sure to ventilate the premises, mi... Read More