Newly Posted Articles

LIGHT, NATURAL: Intensity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plants respond to a scientifically balanced fertilizer if light is kept be low 2500 foot-candles or less for some genera during the hottest months. Au84-203 Read More

CARBON DIOXIDE: To Accelerate Plant Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Orchid tests carried out in Victoria, Australia with generator resulted in 25% additional growth, with spiking six weeks earlier. OD70-214 Read More

LEAVES: Purplish Pigmentation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by too low night temperatures, or too bright daylight; also caused by lack of adequate phosphorous. A64-693 Read More

CATASETUMS: Eat Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control with Orthene. A78-13 Read More

ANEUPLOIDY: Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In paphiopedilums it is short and heavy. A78-999 Polyploids in which the chromosome count is not an even multiple of the haploid number. AU78-47 Polyploids in which the chromosome count is no... Read More

B. DIGBYANA VAR. FIMBRITELA: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Takes practically full sunlight, liberal watering and a night temperature of 60 deg. F. A63-390 Many are reluctant to flower; buy only those with evidence of flowering; hang high and dry; if it ... Read More

PLANTS: New to Your Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Welcome them with an invigorating libation of a sugar solution at the rate of 3ttpg. and moisten them with the spray; or, crush one Stress Tab (B vitamin) in a gallon of water and anoint them; or, ... Read More

OVERCROWDING: Defined

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If pots are closer together than the diameter of one of the pots, they are overcrowded and deprived of light, air circulation which constitute the mos t common form of cultural "suicide". AU79-37 Read More

HEATING, COOLING AND HUMIDITY: Review of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Refer to A63-85; 531+ Read More

PESTICIDES: Systemic Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mixing them together; there is only one true systemic and that is the fungicide Benlate or benomyl; Cygon is only somewhat systemic; a good possibility they can be mixed; so far, no systemic insect... 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)