Category: Ailments

MEALYBUGS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 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

MESUROL: For Control of Snails and Slugs

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is better than metaldehyde when used as a drench or soak; it's a wettable powder used at 8tpg; it is slow to dissolve and requires agitation to keep it in suspension; is labelled for use as a bi... Read More

MICE: In Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They eat the pollen and cause flowers to change color; they eat pollen sacs of cymbidiums and sometimes parts of the flowers; they also eat pollen of cattleyas and phalaenopsis; control them with b... Read More

MITES, TWO-SPOTTED: Characteristics and Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Tetranychus urticae is pale greenish or yellowish with a dark spot on each side; spun webbing on underside of leaves is apparent in heavy infestations; is large enough to be seen by the naked eye; ... Read More

MOLD, SNOW: Fungicide as Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use Physan 20 at 1.5 tpg.; like Shield it is a combination of quarternary ammonium chlorides; so is Roccal. A75-781; A77-702; wash plant in Shield, one ounce to one gal. water and repot..in clean m... Read More

MOLD, SNOW: On the Pot Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Control: drench or dip plant in Shield 10%, at one ounce per four gals, water; or use Physan 20 at 1.5 tpg., maybe more than once at a few days interval. A66-407; A76-895 Read More

MOLD: In Flasks

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Contamination; a method to eradicate : use a strong magnifying glass on a sunny day and focus the hot spot on the mold; difficulties are caused by the curvature of the flask and condensation inside... Read More

MOLD: On Bagged Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is not harmful to plants, but the bark in pots will break down faster than usual unless drenched in Benlate at 1 ttpg. A79-455 Read More

FUNGUS GNATS: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use Diazinon WP 1 ttpg. as a drench or spray on the pot medium. A77-702 Read More