Category: Orchid Doctor

FLASKS: Magenta Vessels

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cubical shaped, light weight plastic culture flasks or containers, easy to ship, etc.; advt. A84-1345 Read More

FLASKS: Of Seedlings for the Beginner

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contrary to accepted wisdom, beginners can learn a lot from caring for them from the flask; something new can be learned; there's nothing to lose except ignorance. Ca82(6)-5 Read More

FLASKS: Under Lights

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are best kept with Gro-Lux lights on for 13 to 14 hours per day; with a temperature for cattleyas of 60 deg.F. at night and 70 during the day; humidity at 50 to 60 relative percent; some air circul... Read More

FLIES: Tiny Ones in the Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control is not effective with malathion; use Diazinon at 1.5 tpg. and drench the plant. A80-110 Read More

FLOORS: Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bare earth allows twice as much heat to leak away as concrete or brick; but levelled earth is still considered best for growing. A63-371; OD71-192Concrete floor and cymbidium growing do not go well... Read More

FLOORS: Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Earth floors can be partly insulated in winter by spreading polyethylene over a rough surface; it may also cover a source of botrytis spores; can be removed in summer. RMH ; the heat loss through a... Read More

FLOWABLES (F): Pesticides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Suspensions of solids in liquids, undissolved, finely ground materials, with water and a wetting agent to form a suspension, they seldom clog, they need moderate agitation when being applied. AH86-65 Read More

FLOWER ARRANGEMENTS: Design Principles

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The point scoring and scale for design, color harmony, conformance to schedule, distinctions, creativity, and condition; for instructions refer to AA87-209 Read More

FLOWER NECROSIS: In Cattleya Hybrids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cymbidium mosaic virus alone can produce necrotic flowers; methods of experiments given; illus. of infected flower. A70-306+ Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... 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)