Category: Propagation

CLASSIFICATION: The Dressler System

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For a review, refer to AU85(4)-16; for the classification itself see his book R.L.Dressler, The orchids; natural history and classification (1981). Read More

FLASKING BOX: Made of Plexiglas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For details of compact, workable unit, illustration, refer to A86-820 Read More

COLCHICINE: And Production of Tetraploids

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago High quality tetraploid cymbidiums, many already awarded now exist; probably induced by the judicious use of colchicine; breeding possibilities from them are great. AU75-190+; AU79-145; AU79-195+ Read More

FLASKING: Best Procedure to Avoid Reflasking

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Sow the seed thinly in the original flask. A75-35 Read More

FLASKING: Rubber Stoppers Plugged with Cotton

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

SEEDLINGS: Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Their culture from flask to flowering, with considerable detail; refer to OD68-6+ Read More

TISSUE CULTURE: Methods

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago How to obtain pathogen-free explants; genetic research; hybrids achieved by means of fusion of plant cells; refer to F78-10+; clonal propagation; a manual; refer to OB1-203 to 293, Read More

FLASKS: Best Time to Remove Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

FLASKING FORMULAS: Chang Formula

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For seed sowing, use 1.5 teaspoonfuls fish emulsion, nine level teasp. agar, 5 k level teasp. sugar, 1 level teasp. Peptone, 1 liter of water; adjust pH to 5.0, A60-597; A65-152 Read More

FLASKING: Transflasking Improvements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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