Category: Orchid Doctor

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: Flowers, Numbers on a Stem

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Conditions of culture are the best influences; growers should be happy to see two flowers on a stem; if the first flower is deformed, the solution is to cut it off as soon as the deformity is seen.... Read More

PAPHIOPEDILUMS: From High Elevations

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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 almost 8 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: Growth, Gnarled

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is caused by low atmospheric humidity. A77-798 Read More

PAPHIOPEDILUMS: Hard, Strap-leaved Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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 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