Category: Vandaceous

VANDA MISS JOAQUIM: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago The base of the leaves is discolored; caused probably by red spider; they hide in the sheaths; spray with Kelthane or Dimite, then again three days later. F70-182 Read More

VANDA RINGSPOT: Possibly a Virus Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Slightly raised yellow concentric rings mostly on the upper leaf surface; green bands appear between the rings then fade and become yellow; with age the area dies and turns purple-black; no control... Read More

VANDAS: Air-layering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Cut around the stem into live tissue; dust with Rootone, and place wet sphagnum over it, cover with polyethylene and secure with elastic bands; wait till roots are 1.5 inches, cut off and pot. F70-117 Read More

VANDAS: Crown Rot

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago During rainy weather in Florida additional protection is advised; deposit a small teaspoonful of Captan in the uppermost leaf axils and the crown; with each watering or rain a deposit of Captan wil... Read More

VANDAS: Inducing Rooting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago To make roots appear half -way up the stem so that dividing and repotting can follow, peel the tight brown outer covering "bark" off the stem; a root tip should appear soon after. AU76-129 Read More

VANDAS: Leaves Curl, Turn Yellow and Fall

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago This shows up in the fall, with cool weather; it is caused by a poor root system, or nutrient deficiency; fertilize regularly during the summer. F76-33 Read More

VANDAS: Leaves Fold in V-shape

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago Caused by insufficient water and/or humidity and/or excessive sunlight. F76-85 Read More

VANDAS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago 55 to 65 deg.F. nights; 40 to 50% relative humidity; 4,000fc. winter and 8,000fc. summer. AU71-135; temperatures. OR80-118+ Read More

VANDAS: Movability

Author is Robert M. [Bert] Hamilton (Compiler), posted over 4 years ago For show purposes; because the roots otherwise spread and cling widely to the bench, etc., when potting place the plant in the pot so that the media comes up only half-way, so that the roots will c... Read More

Rhynchostylis retusa - The Foxtail Orchid

Author is Anu Dharmani, posted over 4 years ago It is also known by the names of Aerides spicatum, Epidendrum retusum, Gastrochilus retusa, Saccolabium berkeleyi and Saccolabium guttatum. It is commonly known by the name of ‘foxtail orchid’. Wom... 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)