Category: Dendrobiums

Orchid doctor

DENDROBIUM PHALAENOPSIS: New Growth Rots in July and September

Posted by Sys Admin over 2 years ago Several diseases can cause the injury; water early in the day and only enough. A72-55 Read More
Orchid doctor

BLACK MOLD: On Dendrobiums

Posted by Sys Admin over 2 years ago Probably arises from the punctures made by aphids; eliminate them with Piramor at 3 grams to 2 gallons of water, or with Malathion at ltpg. plus 1/2 teaspoon of a wetting agent, or 10 drops of dish... Read More
Orchid doctor

DENDROBIUM AGGREGATUM: Watering

Posted by Sys Admin over 2 years ago After growths are completed, water lightly only to preserve plumpness and mature growths. A67-139 Read More
Orchid doctor

DENDROBIUM BEETLE: In Florida

Posted by Sys Admin over 2 years ago Small, dark brown, about one-eighteenth inch long; bores into canes; also attacks cattleyas; causes small shot-holes; chlorotic areas appear; does not kill the plant; control with Diazinon 25%EC, 2... Read More
Orchid doctor

DENDROBIUM NOBILE: Culture of a Problem Type

Posted by Sys Admin over 2 years ago Provide plenty of sunlight summer to fall; maintain low temperature when in bud, below 55 deg. F.; provide nitrogen spring and early summer, phosphorous and potassium summer and fall; plant in ungl... Read More
Orchid doctor

DENDROBIUM NOBILE: To Stimulate Flowering

Posted by Sys Admin over 2 years ago After growth matures keep dry but prevent excessive dehydration; keep cool, as low as 40 deg.F which does no harm; hang them exposed to cool night air. F74-165 Read More
Orchid doctor

DENDROBIUM PHALAENOPSIS: Buds Dry and Fall Off

Posted by Sys Admin over 2 years ago May be caused by ethylene. A79-262 Read More
Orchid doctor

DENDROBIUM PHALAENOPSIS: Hit by Cold Spell

Posted by Sys Admin over 2 years ago Remove all discolored canes and rhizomes; repot and water sparingly until new roots reach pot edge. F70-182 Read More
Orchid doctor

DENDROBIUM PHALAENOPSIS: How to Get Them to Bloom

Posted by Sys Admin over 2 years ago Grow warm and humid until Labor Day then move them to the cymbidium house, slightly reduce watering until Christmas when growths are complete; return to warm house for flowering in about 60 days. O... Read More
Orchid doctor

DENDROBIUM PHALAENOPSIS: Minimum Optimums

Posted by Sys Admin over 2 years ago Hardcane: 65 deg.F. nights, with 50% relative humidity, and 4,000 fc. winter and 8,000 fc. summer; softcane: 55 deg.F. to 60 deg. nights, with 50% relative humidity and 3,000 fc. winter and 6,000 f... Read More

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