Newly Posted Articles

SEED: Viability Proof

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is no certain method of testing except to wait after planting to see how many germinate; mature seed can be examined under a 20 power lens and if the seed is plump and an embryo (dark spot) i... 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: 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

SEEDLINGS: Unbloomed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Purchasers sometimes gamble that their chance of getting an award-winning plant from a batch of unbloomed seedlings is better on the theory that if it had already bloomed and was not sold it must h... Read More

SEEDS: Peroxide Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For the peroxide-catalase method of growing with discussion of details, recommendations on treatment of green capsules, seed germination, transplanting protocorms and seedlings; details on supplies... Read More

SEEDS: Storage

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A small amount of anhydrous calcium chloride is placed in the bottom of a screw-cap test tube, covered with cotton and the seeds placed on the cotton, the cap replaced and the tube placed in the ve... Read More

NAMES: Cultivar Names

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These apply only to vegetative propagations such as divisions and mericlones of the original plant. A82-804; OR87-102 Read More

NAMES: Orchidaceae Family

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Classification of orchids in brief, with subfamily and tribe names, refer to AU85(4)-6; see also D.Sander's Orchids and their culture, for a fold-out family tree, page 165 Read More

NAMES: Pronunciation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many Latin names are mis-pronounced; cattleya is pronounced properly KAT-lee-uh. A86-147 Read More

NAMES: Variety and Cultivar

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The use and misuse, definitions, examples, confusion, especially in cultivars that are awarded and in "horticultural separations"; many changes advocated; refer to A81-811 Read More