Category: Ailments

APHIDS: Controls on Cymbidiums and Reed Epidendrums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 1 tpg. Malathion spray; on cymbidiums also Cygon 2.67E at 2 ttpg.; perhaps also on epidendrums. A67-498; A74-708 Read More

CYMBIDIUMS: "clawing" of Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bright morning sunlight after cold nights causes this damage. AU78-143 Read More

CAPTAN 50%WP: Toxicity Reactions in Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Diarrhea and weight loss. A68-583 Read More

LEAF DIE-BACK: Fungus Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Spreads slowly from the tip through the leaf unless cut off; Glomerella cincta infects the tip and spreads backwards with a marked line between good and diseased tissue; control with Benlate. A73-8... Read More

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

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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

BUD DROP: In Dend. Phalaenopsis Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are highly susceptible to damage by ethylene caused by gas heaters, wood-burning stoves, open fireplaces, burning brush outside the greenhouse, and unvented propane burners. A81-810 Read More

BUDS: Brown, Spotted and Chewed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by possible infestation of snails; use Sevin or Zectran. A77-314 Read More

BUD DROP: In Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Air polluted with ethylene is the main reason. A74-502Caused by air pollution, lack of vigor in the growth, improper temperature range, or inadequate light. A81-266Ethylene is the only cause; it ca... Read More

ACTIDIONE: Fungus Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An antibiotic, with a fungicidal spectrum; systemic in action; recommended for damping-off of cymbidium seedlings. OD65-14 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