Newly Posted Articles

FUNGUS DISEASES: Of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For an overview refer to N315+ Read More

LIGHTS, GROWING UNDER: Gas in the Home

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Unadjusted pilot lights can do pollution damage to phalaenopsis flowers. A86-1030 Read More

CYMBIDIUMS: Backbulbs, Starting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Pot them in perlite in plastic pots covering the bulbs to two-thirds of their height. A74-205 Removal of new growth from a backbulb to induce another growth may best be done when the first new g... Read More

FLUORESCENT LIGHTS: Optimum Amount for Seedlings in Flasks

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 40 watt per square foot at twelve inches distance is abundantly adequate. A74-969 Read More

LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH Read More

BUD REMOVAL: Will Size of Cymbidium Flowers Be Improved If Alternate Buds Are Removed?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago No appreciable change will occur; de-budded spikes are excluded from judging. A70-235 Read More

WORK ROOM: Sterile Box

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An adjacent flasking box 3x3x3 ft can be:construe ted from a cardboard box cut to shape,- lined with aluminium foil and covered with Saran Wrap, with a sloped opening and hand holes at the bottom; ... Read More

WORMS: In Compost

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Their casts cause breakdown of the compost by reducing the air flow and it sours, the pH increases and it becomes more acid; water wi th Malathion to control them. OR82-102 Read More

CROWDING PLANTS: Do Not Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Air circulation is very important in the growth process. OD72-227 Read More

BRACTS ON SPIKES: But Flower Buds Don't Show There

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(4 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(95 articles)

Conservation

(16 articles)

Culture

(1363 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(29 articles)

General Discussion

(3 articles)

Oncidium Alliance

(64 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(12 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(83 articles)

Pleurothallids

(1 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(26 articles)