Category: Orchid Doctor

SEED: Viability Test

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago By the use of tetrazolium; for an explanation and methods followed, refer to OR78-258+ Read More

SEED: Viability Test by Immersion

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is no published proof of testing orchid seed by immersion in chemicals; for non-orchid seed see: Proc. of the Assoc. of Official Seed Analysts, 1952, 143+ A65-721 Read More

SEEDLING CASE: Appropriate Disinfectants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most commonly used is 0.2% mercuric chloride (one part bichloride of mercury in 500 parts of water) if still obtainable; may be purchsed in tablet form; 70% ethyl alcohol or grain alcohol is very e... Read More

SEEDLINGS: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For techniques and procedures, culture media, source of supplies, for tropical and terrestrial types, refer to OB11-243 Read More

SEEDLINGS: Cymbidiums Planted in Flats of Sphagnum Moss

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Moss is dead, obtained from Wisconsin, comes in bales of five cu.ft. and bought at florists' supply center; soak it in water, roll into bundles, place in flats, flatten with concrete block so it is... Read More

SEEDLINGS: Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fast or slow as an indicator of flower quality?; sometimes a poor grower produces fine flowers; some of the best growers produce the best. A65-1003 Read More

SEEDLINGS: Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Flowering can be achieved in less than two years from flask through proper timing, deflask in winter or spring plant into large pots, feed frequently, grow in 40% of total light and water or syring... Read More

SEEDLINGS: Replating in Pop-bottles

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plastic two-liter bottles can be used to grow community seedlings of phalaenopsis successfully; in a mix of small bark, fine charcoal and one-third sphagnum moss. OIE86Jan-15; Jy-6; 87Mar 7 Read More

SEEDLINGS: Runts

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If retardation is not caused by culture the plants should be weeded out. A76-611 Read More

SEEDLINGS: The Clump Method of Deflasking

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For Lycastes it is advisable to remove the seedlings from the flask in a clump and not to separate the roots after washing off the agar; plant the whole thing in a bark community pot. A82-913 Read More