Category: Orchid Doctor

SCALE (GENERAL): Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There are two groups, the soft scales and the armored scales; different species require different controls; species common to California described; refer to AH6+; N328+; S192 Read More

SCALE (GENERAL): Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Besides Cygon 2E, Temik will kill scale except on flowers, but a permit to use is is necessary. A77-995On cymbidiums, is best achieved with Cygon 2E at 2 tpg.; or with Diazinon 50%EC at 1 tpg; Mala... Read More

SCALE (GENERAL): Control Experiments

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Foliar application of seven insecticides was tried on vandas for control of proteus scale, and on cattleyas for control of boisduval scale; dimethoate (Cygon) provided a complete control; phytotoxi... Read More

SCALE INSECTS: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Florida, they are soft or armored scales; seven types described; Mealy bugs described; five different controls given; refer to DK2+ Read More

SCALE INSECTS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They suck the juice of tissues; some produce a toxin; spots where they extract juice become yellow; they tend to congregate at joints and under sheathing leaves but are also found on open areas and... Read More

SCALE INSECTS: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Hawaii, use Diazinon WP or EC (emulsifiable concentrate) as a spray; use Malathion, or Cygon 2E. P69(l)-ll Read More

SCALE, BOISDUVAL: On Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Heavy infestation on neglected collection; spray one fluid ounce of Cygon 2E in three gals, water; a hand lens will show dead scale as yellowish-brown to brown and live scale as yellow. A70-148 Read More

SCALE, BROWN: Treatment Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Hand picking is not so effective; spray with Cygon 2E at 2 tpg., or with Malathion at 1.5 tpg. plus a few drops of a wetter-sticker. A73-991 Read More

SCALE: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A home-made spray can be made up with a half pint of water, a half pint of cooking oil, one tablespoon of liquid detergent, half a teaspoon of methyl hydrate (or rubbing alcohol), place them in a b... Read More

SCALE: Destroyed by Alcohol

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use an alcohol from a spray bottle but remember that contact is necessary for killing them and that missed ones will multiply; a toothbrush and soapy water is an effective treatment for only a few ... Read More