Newly Posted Articles

DAMAGE: Ascertaining Cause of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Look for it in accordance with this order: 1, Handling damage such as bruising, cracking, tearing, etc.; 2, Cultivation, such as water or light damage, overfeeding, heating, etc.; 3, Insect damage,... Read More

FLOWERS, CUT: Extending Their Keeping Qualities

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Keep at low temperature, 50 to 55 deg.F.; no preservative solution used now in the flower trade serves to extend orchid life. A64-227; A69-130Once placed in water, do not cut the stems afresh; do n... Read More

FOOD: Orchids as a Source

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They have been eaten in different parts of the world; refer to A59-351+ Read More

NATRIPHENE WP: Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For brown spot (Pseudomonas cattleyae), brown rot (Erwinia cyprepedii), bacterial leaf rot (Erwinia chrysanthemi) soft rot (E.carotovora) and miltonia scorch; control: use 1 tpg., immerse plant one... Read More

NATRIPHENE WP: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For anthracnoses, black rots (Pythium ultimum, Phytophora cactorum), collar rot (Pellicularia (Sclerotium) rolfsii), seedling damp-off (Pellicularia filimentosa,etc.), flower spotting (Botrytis); a... Read More

NATRIPHENE WP: Fungicide/bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It has an LD-50 of 2,000 mg.; use as a spray, drench or soak for several hours at a concentration of 1:2,000. A73-810; submerge for one hour in three-quarters tpg. or the equivalent of 1:2,000, and... Read More

FLUORINE: In Water Supply

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It will not harm orchids. A74-502 Read More

CYMBIDIUMS, MINIATURE: Different Degrees

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Primary hybrids: small pot plants, usually a cross between Cym. pumilum and a regular diploid; Second generation, a cross between a Primary hybrid and a regular diploid; and, Polymins, a cross betw... Read More

PSEUDOBULBS: Twisted Bulbs on Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These can develop for no apparent reason, except that water lodging in immature growths may be the cause. A85-832 Read More

CYPRIPEDIUMS: Grown in a Northern Garden

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 12 native and exotic terrestrials grown successfully, with descriptions and cultural requirements; refer to CA84#2-20;#3-20 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)