Newly Posted Articles

FUNGICIDES: Most Used

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Truban 30WP to control black rot fungi; Benomyl (Benlate 50W) for most pathogens but not Pythium ultimum, Phytophthora cactorum or bacteria; Physan 20, a wide-spectrum fungicide and bactericide; Na... Read More

FUNGICIDES: Placed on Top of Vandaceous Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Do not use Benlate which is specific for fungi which do not occur in crowns of vandas or phalaenopsis; use Captan. F80-20 Read More

FUNGICIDES: Regular Use

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Do not use fungicides such as Physan regularly or add it frequently to the fertilizer. A78-112 Read More

CYGON 2E: A Systemic Insecticide, How to Apply

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago As a spray put 9 cc. in one gallon of water, or, 1 quart in 100 gallons of water; or, 2 ttpg.; reported injury to plants has not been proven out. A69-700 Read More

ORTHENE: Is it a Safe Insecticide?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It should not cause leaf yellowing; is effective at the rate of 1 to 1.5 ttpg, for control of chewing and sucking insects, also aphids and mealybugs. A80-850 Read More

ORTHENE: The 15.6% Formula

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It may cause crippled flowers; use only Orthene 75%S . AH86-63 Read More

TRYPTONE: What it Is

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago An accessory growth substance used in tissue culture media, a product of Difco Laboratories. A63-731 Read More

SMOKE: As Stimulant to Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Many terrestrials burst into bloom in nature after a ground fire; caused by smoke which contains ethylene and carbon monoxide among other gases, which break the dormancy in corms and bulbs in the g... Read More

SOAPS: A Detergent as a Pest Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago For scale on a small number of plants soapy water and a toothbrush can be used effectively for spider mites; a soapy spray will control them for a while but will not eradicate them. A83-600 Read More

SOFT ROT (ERWINIA CAROTOVORA): Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It is infrequent in orchids; shows as wet rot with most offensive odor; cut out diseased parts or destroy the plant or plants and disinfect everything with Clorox or formaldehyde; spray with Physan... Read More