Category: Paph Alliance

PAPHIOPEDILUMS: Hybrids with Phragmipediums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are they possible? -- although some attempts have been made, there are few flowers; for the history, cytological studies, chromosome counts, etc., refer to A85-6x Read More

PAPHIOPEDILUMS: Leaf Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Between the first of June and the end of December a required complement of leaves must be produced in order to mature the plant for flowering; fertilize at half strength three out of four waterings... Read More

PAPHIOPEDILUMS: Leaf Loss

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bottom leaves go yellow and fall off because of poor water quality, or too much light, or incorrect feeding, perhaps a lack of magnesium, or even not enough water. OA80-80 Read More

PAPHIOPEDILUMS: Leaf-tip Browning, or Die-back

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is caused by over-feeding; transpiration in the leaves provides a surplus of chemical feed in the cells which clog the circulatory system. A71-311 Read More

PAPHIOPEDILUMS: Leaf-tip Die-back

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Is caused by too much fertilizer, or a calcium deficiency, or drying-out of the plant, especially during days of high temperatures. A83-1156 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: Flowering Produced by Shock Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Reluctant hybrids require a change in their growth pattern such as by dropping temperature to 40 deg.F. from the normal 55, and withholding water until the compost dries; or, by dividing the plant ... Read More

PAPHIOPEDILUMS: Light Control Response for December-february Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is no response; they respond only to temperature control. A65-152 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

PAPHIOPEDILUMS: Palco Wool as Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They grow poorly in shredded redwood bark, possibly because it is too acid. OD68-9 Read More