Category: Paph Alliance

PAPHIOPEDILUMS (MOTTLED LEAVES): Problem Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago How to grow them: they need heavy shade, especially around early springtime; high temperatures can check their growth; lots of air movement is necessaary all year round and yet high humidity must b... Read More

PAPHIOPEDILUMS: Asexual Propagation

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

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused possibly by insufficient reserve food; or, infection by fungus; or, low light intensity and too high temperature at night. A78-698 Read More

PAPHIOPEDILUMS: Clonal Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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: Cool Growing, and Warm Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The first have solid green leaves the second have mottled or tessellated leaves; the division is misleading since some "cool" growing plants need 55 deg.F. nights; most others need 65 deg.F. nights... Read More

PAPHIOPEDILUMS: Fertilization Schedule

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

PAPHIOPEDILUMS: Fertilizing Over-done

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It causes scorched areas most likely at leaf tips. A78-606; 1/2 tpg. 30-10-10 every 3 weeks, all plants. A80-739It causes slow growth, hard leaves and a yellowish tinge. A78-606 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