Category: Paph Alliance

PAPHIOPEDILUMS: From High Elevations

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are accustomed to pure water and if they are subjected to sodium, regardless of other factors, turn up their toes, especially P.delenatii and P. wardii. OD83- 30 Read More

PAPHIOPEDILUMS: Getting Them to Grow

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago On repotting, the roots cannot take water until a new tip grows, which can only be initiated by high moisture content around, not in, the pot, so wrap a root- less plant in foam rubber and stick it... Read More

PAPHIOPEDILUMS: Growing Under Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Success, with control of heat, light, ventilation, humidity, medium, potting, watering, fertilizing, insect and pest controls, benches, buying plants; for details refer to OD86-99 Read More

PAPHIOPEDILUMS: Hard, Strap-leaved Types

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Patience is necessary to get these to flower, including: P.bodegonii, haynaldianum, rothschild- ianum, parishii, lowii, philippinense, etc.; most of which produce good root systems; they like 55 dF... Read More

PAPHIOPEDILUMS: Hybridizer's Nightmare

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Problems include sparseness of seed, incompatible crosses, sterile off-spring, dissimilarity among siblings, few good breeders (plants not people), and the diff- iculty of obtaining them for breedi... Read More

PAPHIOPEDILUMS: Hybrids with Phragmipediums

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

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

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

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Warm water in nature does not di ssolve the rock but cold water will and the plants will deteriorate in even the best conditions in cultivation. OD83-30 Read More

PAPHIOPEDILUMS: Potting Mixes

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