Category: Culture

FOGGERS: Carmel Fogger

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A powered ramjet type that produces a dense fog of insecticide directed up into the greenhouse fanjets to fill the house with fog; is effective against aphids and easy on the flowers. A83-613 Read More

FOGGERS: The Fog System

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Can be used with foliar feeds, insecticides, fungicides, for winter freeze protection, hot weather cooling; refer to A83-622 Read More

FOGGERS: High Pressure

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A unit can be installed in the center of the greenhouse to oscillate or revolve 360 degrees to dispense a fog-mist effectively within 40 feet radius or so, and outside that for plants requiring les... Read More

FOGGERS: Spray Cans for Insecticides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Types such as Raid or Foregone are household types and the carrier used may injure orchids, so use only those designed for greenhouse use. A86-274 Read More

FOGGERS: A Quick Way to Dispense Miticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To spray under the leaves of a large collection takes a long time. but to fog a large greenhouse takes about eight minutes. OA84-11 Read More

FOGGERS: Using D-con and Four/gone

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These are effective against white fly and some aphids but not against scale or mealybugs. A82-248 Read More

FOLIAR FEEDING: Action

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments show that 90%, of the total potential foliar absorption occurs within 30 seconds if the leaf is moist. OA80-80 Read More

FOLIAR FEEDING: Cattleyas as Subjects

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Uptake can be vividly demonstrated of radioact ive phosphate moving into the leaf, then to the pseudobulb. A85-974 Read More

FOLIAR FEEDING: Controversy Lingers on

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One group believes it works, the other doubts it and both are right to a degree because the run-off to the roots is important; but in 1967 radioactive phosphorus was absorbed by the leaf half an ho... Read More

FOLIAR FEEDING: Effective or Not?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments show that a cattleya hybrid readily absorbed a trace chemical through the leaves which suggests other nutrients will also be absorbed; mid-morning is the best time to apply. AU82-107; A... Read More