Category: Orchid Doctor

FLASKING: Roots Grow Above Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If exchange of air is not provided roots will reach upward instead of into the agar media. F72-136 Read More

FLASKING: Roots Grow Upon Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most roots grow on the surface; at the sides some grow to the bottom of the flask. A65-832 Read More

FLASKING: Rubber Stoppers Plugged with Cotton

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The cotton should be just firm; foil is not necessary except during the sterilization process and for a day or two after until the cotton dries. A75-192 Read More

FLASKING: Stopper Type Preferred

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bakelite screw caps are good; for the long run required by orchids rubber with cotton in the center hole is preferred; Mason jars with screw caps are also satisfactory. A75-192 Read More

FLASKING: Transflasking Improvements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They result from the replenishment of nutrients and of pH adjustments; probably the increase in water plays a part; more space influences all factors. A68-524 Read More

FLASKS: Best Time for Removal of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Move cattleyas and phalaenopsis to compot when seedlings are about one-inch; they are easily handled; smaller ones have been successfully transplanted, but the larger ones have a better chance of s... Read More

FLASKS: Best Time to Remove Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The larger the seedlings are the better their chance for survival, providing they are not being set back in the flask. F69-149 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

FLASKS: Emptying

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Phalaenopsis stem cuttings removed from flask retain agar on their roots; the important thing is to remove the sugar, so soak them in water at 70 deg.F. almost one hour to remove agar and sugar bef... 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