Category: Orchid Doctor

MASDEVALLIAS: New Growth Catches in the Sheaths

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It has been seen when they are grown under lights; possibly arises because the plants grow extremely compactly; do not pot them too deeply as this may be contributory; make sure they get enough lig... Read More

MASDEVALLIAS: Re-establishing Newly Arrived Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Place them in a cool, moist shaded location; use a well-drained medium with lots of moisture-retaining quality; do not use straight bark; some peat moss is advantageous; syringe frequently and ligh... Read More

MCEWAN FLASK: For Reflasking

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A standard laboratory item, it is available from most scientific supply houses. A85-193An update on modifications and use; refer to A66-813+; original article on description and use, refer to A60-429+ Read More

MEALY BUGS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Flat, segmented insects covered with a dusty white wax; insidious, they mass in hidden places under sheathing leaves, etc.; make unsightly spots; spray repeatedly with Malathion with an essential s... Read More

MEALY BUGS: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recommended are Cygon 2E, as a spray at 2 tpg.; Malathion at regular strength but with a wetter-sticker added at the rate of % tpg. of the spray. A70-916; A76-507 Read More

MEALY BUGS: Effect of Shell No-pest Strip

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Vapona fumes offer only a slow control; most effective is to place the plants and the Strip in a plastic bag. A76-1007; Vapona (DDVP) or, Elantfume 103 Smoke. A80-356 Read More

MEALY BUGS: On Plants Under Lights

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For control use Cygon 2E, at 2 tpg.; Malathion is better for the home but it needs 1/2 tpg. of wetting agent to be effective. A78-495 Read More

MEALY BUGS: On Roots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They resemble a "snow mold" infestation; but of rare occurrence; dip plant in solution of Diazinon. F78-113 Read More

MEALYBUGS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are enclosed in a protective waxy, cottony secretion, they usually appear white, are mobile throughout their life; several types are known; control is difficult because timing is a 11-importan... Read More

MEALYBUGS: Control on Roots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A difficult situation, some success has been achieved by the use of Systox-2 which is normally prohibited from use, so consult your county agricultural agent. A81-27 Read More