Category: Cattleya Alliance

BLACK ROT: On Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Control with Truban or Dexon-35; Truban is gaining favor over Dexon-35; drench or soak in 1 tpg. A72-341; A75-680; A79-1112; use Tersan or Fermate. S198 Read More

BLACK ROT: Tips of New Cattleyas Turn Brown

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Caused by a fungus; remove all infected growth; soak pot and plant in 1/2 tpg. Dexon-35 or Benlate. A72-686; F69-94 Read More

BLACK TIPS: On New Shoots on Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago If the blackening does not progress rapidly it is probably not due to disease but excessive use of fertilizer. A72-1100 Read More

ALGAE: Control in Cattleya House

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Physan 20 may be too expensive; Phygon is cheaper for use on evaporative cooling pads. A74-969 Read More

CATTLEYA BLOSSOM BROWN NECROTIC STREAK DISEASE: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Occurs in Australia; symptoms described by its name; no leaf symptoms; is sudden and destructive; may be a complex of viruses. OD68-149 Read More

BRASSOLAELIOCATTLEYAS: Flowers Last Only Eight Days, Why?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Temperatures day and night may be slightly off, 65 deg.F at night fall and winter is too high, and 70 to 75 deg.F. is below daytime optimum. A73-208 Read More

CATTLEYA DOWIANA: Difficult to Grow

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Use 2,500 to 2,900 fcs.; constant moisture; no direct sunlight; use fiberglass or frosted glass as covering; no overhead spraying; use temperature of 60 deg.F. at night and up to 75 deg. F. days; u... Read More

CATTLEYA GASKELLIANA: Multiple Leads; How to Encourage?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Cut the rhizome in places part way through; let sections root; repot separately. A79-272 Read More

CATTLEYA MOSAIC VIRUS: Transmission by Insects

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago It is the only virus which is definitely known to be transmitted by .aphids. OD68-150 Read More

CATTLEYAS: Bifoliate Species in Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Yellow, orange, red and green hybrids as derived from C. aclandiae, aurantiaca, bicolor, forbesii, granulosa, leopoldii (guttata), schillerana, and velutina; refer to OD74-5+ Read More

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(3 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(92 articles)

Conservation

(16 articles)

Culture

(1364 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(28 articles)

General Discussion

(2 articles)

Oncidium Alliance

(63 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(11 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(80 articles)

Pleurothallids

(0 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(24 articles)