Newly Posted Articles

FLOWERS, CUT: Prolonging Their Life with Physan 20

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As a bactericide if Physan is used at 1 tpg. it prevents growth of bacteria and fungi in the water transport system of the stems. A80-254 Read More

FLOWERS, CUT: To Prolong Life

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Place them in a container with a mix of half water and,half lemonade; the sugar and carbon dioxide provide readily assimilated nutrients. AU87(l)-23; see also F80-164 Read More

FLOWERS: Available in the Summer Months

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Among the many possibilities are hybrids of Cattleya dowiana, C. bicolor, C. guttata, evergreen cane-type dendrobiums including hybrids. F80-125 Read More

FLOWERS: Cutting Off with Hot Knife

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As a preventive to spreading virus a soldering tool with a small blade bolted to the hot element keeps hot enough to cut and eliminate virus adhering to it; refer to A70-417 Read More

FERTILIZERS: Mix Your Own

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 3 oz. of potassium nitrate (saltpetre; sodium nitrate) and two oz. ammonium phosphate dissolved in three gals. water; one ounce to one gal. water for application to plants. OR77-30330-10-10 type, a... Read More

LUMPERS: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Taxonomists who tend to overlook "minor" differences and lump different flowers into the same species. FR99 (see also Splitters) Read More

FLOWERS: Cutting Time

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In cattleyas, like many others the flowers are not mature until three or four days after opening and the color becomes full; also, place cut flowers in the refrigerator for five hours to harden the... Read More

FLOWERS: Deformity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Check the potassium (K) level of the fertilizer, especially if it is a seaweed extract dilution; or the use of a mixture containing auxins, cytokinins or giberellins. AU84-204 Read More

FLOWERS: Maturing Rates

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cymbidium sprays of flowers can take several weeks for all flowers on the spike to mature but cattleyas take only four to six days. OD86-222 Read More

GYPSUM: As Top Dressing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It can be beneficial for cymbidiums where the water supply has too much sodium; it adds calcium. OD76-122 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)