Category: Ailments

LIPS: Discoloration

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago Brownish discoloration near the base is caused by low temperature. A67-574 Read More

MALATHION: Combines with Fungicides

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago Both Benlate and Manzate can be combined with it. A73-991 Read More

PHYSAN: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago It is quite alkaline and if combined with another alkaline product such as soap it might cause a problem. A88-296 Read More

DIAZINON: Insecticide/miticide

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago Controls aphids, thrips, mites, scale crawlers, soft scale, mealybugs and other pests. OD65-168 Read More

LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH Read More

DIAZINON: Pesticide

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago Excellent control of scale by spraying with it at recommended strength, plus 1/4 tpg. of wetting agent. A80-110 Read More

DIBUTAL PHTHALATE: Toxic Effects

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago DPB is a wonder plastic used to make hose more pliable but is toxic to certain plants in small amounts; not yet established that orchids are affected. RHS The Garden June 1986. Read More

VIRUS: Number Affecting Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 years ago At least 18 viruses cause various, often destructive diseases known as ringspot, mosaic, mottle, streak, necrosis, etc. AH86-2 Read More

MEALY BUGS: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 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

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted about 6 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

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