Newly Posted Articles

FLASKS: Under Lights

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are best kept with Gro-Lux lights on for 13 to 14 hours per day; with a temperature for cattleyas of 60 deg.F. at night and 70 during the day; humidity at 50 to 60 relative percent; some air circul... Read More

FLASKS: Contamination Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plant lets can be changed to a clean flask, or try Benlate alone, or Benlate at two teaspoonfuls to a gallon of water with 1/2 a teaspoonful of Truban added; use as a flush; or try Benlate alone; s... 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: Experimental Tests

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleya leaves and roots were compared for absorption of derivatives from phosphoric acid; leaves readily absorbed it and it was transmitted in 24 hours to the pseudobulbs. OBII-209 Read More

FOLIAR FEEDING: Not Satisfactory for Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Good for tomatoes and plants with pubescent foliage, thin cuticles and many stomata; orchid leaves have thick cuticles usually, few stomata, and are resistant to water loss; their roots are especia... Read More

FOLIAR FEEDING: Sugar Sprays

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These caused cymbidiums to bloom earlier with a stronger solution: 1 pint Karo corn syrup, 4oz. fish emulsion or seaweed+fish fertilizer, 1 teaspoon boric (borassic) acid, 12 oz. water; mix well, u... Read More

FOLIAR FEEDING: Sugars

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use a mist sprayer to apply a solution containing one tpg. regular fertilizer plus 2 tpg. of sugar at time of spiking; dilute molasses can also be used. OA82-73 Read More

SHELL NO-PEST STRIPS: Used in An Enclosure

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To kill scale, use the strip of DDVP for 2 to 9 hours, then replace it in the carton and use it again in 7 days; it is also good for mealybugs, white-fly, aphids, spider-mites. A82-248 Read More

SHIELD 10W: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An algicide, fungicide, soil drench and disinfectant; for control of snow mold, damping off, black rot, root rot, etc. A63-912; AH15 Read More

PLANT GROWTH: Four Basic Steps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Photosynthesis, transpiration, translocation and respiration -- for details refer to A73-780+ Read More