Category: Paph Alliance

PAPHIOPEDILUMS: From High Elevations

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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 4 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

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(3 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(92 articles)

Conservation

(16 articles)

Culture

(1364 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(28 articles)

General Discussion

(2 articles)

Oncidium Alliance

(63 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(11 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(80 articles)

Pleurothallids

(0 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(24 articles)