Category: Orchid Doctor

FUNGUS DISEASES: Control of Gloeosporium (anthracnose)

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Remove diseased parts, spray with copper or Maneb M22 at 1.5 ttpg.; give lots of air. A65-536; latest control is Benlate at 1 to 1.5 ttpg. OWD Read More

FUNGUS DISEASES: Of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For an overview refer to N315+ Read More

FUNGUS DISEASES: Of Seedlings and Adult Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a review refer to W1-420+ Read More

FUNGUS GNATS: A Nuisance or a Problem

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control them with proper sanitation, avoidance of over-watering; spray them with diazinon or give them a drench Resmethrin 1% aerosol controls the adults. AH86-59 Read More

FUNGUS GNATS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Small black flies in numbers; young maggots are whitish with black head, legless, and feed on decaying organic matter; some may feed on roots of cymbidiums; spray malathion several times at weekly ... Read More

FUNGUS GNATS: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Diazinon WP 1 ttpg. as a drench or spray on the pot medium. A77-702 Read More

FUNGUS GNATS: Moss Flies; Characteristics and Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They lay eggs in pot compost; the larvae break down the compost; the surface clogs; they breed at an alarming rate in the heat; are killed by fumigation or aerosols used in rapid succession to brea... Read More

FUNGUS GNATS: Small Black Flies

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Young maggots are whitish with black heads; they feed on decaying matter; some may feed on roots; control with malathion or diazinon. A65-728; OD65-120; OR74-227 Read More

FUNGUS: Anthracnose-type Which Grows on Live or Dead Tissue

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is easily controlled with benomyl (Benlate) 1 tpg.; or, use Dithane M5, 1.5 tpg. A78-1124 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More