Category: Orchid Doctor

PAPHIOPEDILUMS: Ph of Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago PH is checked every six weeks and when it is under 6.0, too low, plants are watered with dilute dolomite. A75-711 Read More

PAPHIOPEDILUMS: Pollination

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Column and anthers, location = for an illustration, refer to A57-247Select two plants for hybridization; either remove the pouch of the pod plant, or with a razor slice off the rear of the pouch; u... Read More

PAPHIOPEDILUMS: Pollinization

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The stigma and how to find it: it is a foot-like structure suspended by the column; it hangs down into the pouch; the under surface receives the pollen. A78-309 Read More

PAPHIOPEDILUMS: Pots and Their Influence on Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Growing them in clear plastic pots produced an improvement in growth almost unbelievable; in dark plastic pots the plants were sick; in clay many grew well. A69-573+ Read More

PAPHIOPEDILUMS: Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Eleven formulas as used by leading commercial firms, with ingredients and measurements, and additives; reprint of 1975 data; refer to OA81-82 Read More

PAPHIOPEDILUMS: Potting Techniques

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Pot firmly without crushing the roots; to examine root development strike the rim of the pot on the bench, examine the roots without disturbing the compost, then replace; new roots show at the side... Read More

PAPHIOPEDILUMS: Problem Taxonomy

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A new revision or two of the genus have shown the divergent views of the splitters, Dr.Fowley, for instance as compared with the lumpers, Dr. Cribb, for example; a brief review of the problems and ... Read More

PAPHIOPEDILUMS: Problems and Pests

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Repot ting, propagation, mealybug control, bacterial rot, flower-blight, genetic confusion, leaf-tip die-back, necrosis,etc.; refer to A82-1157 Read More

PAPHIOPEDILUMS: Propagation by Mericloning

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Has not yet been successful because shoot apices have a low survival rate in tissue culture, survivors produce a single plantlet, without proliferation. AU83-20 Read More

PAPHIOPEDILUMS: Recovery Treatment for Troublesome Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They were set back because they were potted in live sphagnum moss which has a pH of about 4.5 to 5.0, which is too acid for many paph. species; but in spite of this, when they were watered with rai... Read More