Category: Propagation

FLASKING FORMULAS: For Germination of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For many of the standard culture media formulae, recipes and application for different genera and species, refer to OBII-243, 275, 279, 324, 334, etc. Read More

FLASKING: Air Supply to Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For cymbidium seedlings in flask, air exchange must always be provided. OA84-126 Read More

FLASKING: Banana Added to Prepared Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Ripe or green banana is homogenized in a kitchen blender; add 5% of it to the medium. A74-792 Read More

FLASKING: Black Substance in the Culture Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Phalaenopsis seedlings are notorious for exuding a black material from the roots; it is not a contaminant but in high concentrations impedes growth. F82-175 Read More

FLASKING: Delayed Contamination

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It is possible when a pathogen was introduced to the sterile flask and remained lodged near the opening; it would take severa1 weeks to reach the agar medium. F82-175 Read More

SEED BANKS: Australian Orchid Foundation

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago The most effective collector and distributor of local and foreign seed for conservation, and well worth any enlightened grower's support; flasks frequently available; address 107 Roberts St.,Eseend... Read More

SEED BANKS: Australian Terrestrial Types

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Procedures of the Australian Orchid Foundation and their seed bank procedures; flasks of species of both terrestrials and many exotic epiphytes from other countries; lists of those available at $12... Read More

SEED PODS: Cattleya Pods Split Prematurely

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It can be caused by incompatibility of the cross; the seed is not viable; it happens when one or both parents are triploids. A69-700 Read More

SEED PODS: Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It takes eight or nine months for the seed to ripen. A63-478 Read More

SEED PODS: Harvesting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Slight yellowing and the start of splitting at the seams indicate time for removal; swab with dilute Clorox (1:4 water) place between two clean pages of paper and let dry a few days; clean out the ... Read More

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