Category: Paph Alliance

CYPRIPEDIUMS: Grown in a Northern Garden

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago 12 native and exotic terrestrials grown successfully, with descriptions and cultural requirements; refer to CA84#2-20;#3-20 Read More

CYPRIPEDIUMS: Vanishing in the Wild

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago In Manitoba an unidentified fungus is destroying many native orchids; can we blame acid rain? A85-1196 Read More

PAPHIOPEDILUMS: Asexual Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Multiplication of explants in vitro produces 200 or more plants in a year from one source; refer to A88-274 Read More

PAPHIOPEDILUMS: Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Its history in Europe with the outstanding hybrids in perspective; an American viewpoint. W9-43;; -49 Read More

PAPHIOPEDILUMS: Browning of Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It starts at the base, is caused by Erwinia cyprepedii for which there is no safe cure; it is not always caused by watering, but stale air conditions can contribute to its development; try drenchin... Read More

PAPHIOPEDILUMS: Clonal Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago One application of Benzyladenine (Imgl- IBA) to a flowered division near the base will produce an axillary bud, thus valuable clones can be multiplied more rapidly under simple greenhouse condition... Read More

PAPHIOPEDILUMS: Colors of Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago They must be clean, clear, concentrated and contrasted to rate highly; is redder better?; vinicolors; culture and color; light used for evaluation of color; refer to SA87-21 Read More

PAPHIOPEDILUMS: Deflasking

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago A new mix for P. rothschildianum seedlings is 35% rockwool, 35% firbark, 10% Styrofoam chips, 10% meranti (Shorea -- not in the R.H.S. Diet, of gardening) sawdust, 10% volcanic pumice; South Africa... Read More

PAPHIOPEDILUMS: Fertilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago They do well without it for as long as several years then become poor in condition; feed at one-fifth strength high in nitrogen weakly, not weekly; water the day before. OD86-139 Read More

PAPHIOPEDILUMS: Fertilization Schedule

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Monthly feeding should be enough; if the medium is largely peat moss use 18-18-18 ratio; if bark use 30-10-10, either at the rate of one ounce to 5.5 gallons of water. A&3-1074 Read More

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