Category: Orchid Doctor

PESTICIDES: Recommended Names

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a list of 22 substances usually used in greenhouses, with their LD50 rating, and useful notes, refer to N314 Read More

PESTICIDES: Registration for Use on Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many standards are not registered: Truban (ethazol), Subdue 2E (metalaxyl) and Physan (n-alkyl ammonium chlorides) are three frequently recommended and widely used; a petition is recommended to get... Read More

PESTICIDES: Regular Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A regular programme of applying pesticides is not beneficial to the plants, except in moderation. A78-112 Read More

PESTICIDES: Review

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Safety ratings, label warning statements; toxicity table of the most popular formulations; their availibility; a compatibility table of 22 kinds; their application; storage, shelf life, etc.; refer... Read More

PESTICIDES: Rules for Application

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Identify the right insect or disease; use the recommended insecticide; use it at the right amount, in the right way and at the right time. AH86-64 Read More

PESTICIDES: Safe Use of Dangerous Materials

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a long list of the do 1 s and don'ts refer to AU87(3)-45 Read More

PESTICIDES: Shelf Deterioration

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Benlate remains effective in storage for two years but a solution of it must be used in eight hours, if left for 24 hours it becomes harmful to plants and not insects; Di-Systox lasts two years on ... Read More

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They should be purchased for short-term use; mark the date of purchase on the container; most keep their effectiveness for two or more years if stpred properly; signs of ineffectiveness in dusts an... Read More

PESTICIDES: Storage

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Emulsifiable concentrates and most liquids should be stored above freezing; if properly sealed they should remain effective for two years; do not use if the emulsifiable concentrate does not turn "... Read More

PESTICIDES: Stored for Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Both fungicides and insecticides deteriorate rapidly when stored in dilute solution with water. A67-901 Read More

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