Category: Orchid Doctor

SEPAL WILT: Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The ends of cattleya sepals go brown and dry because of ethylene pollution in the air from automobile exhausts, etc.; perhaps from a defective heater; illus. A69-242; illus. A75-908; A77-437 Read More

SEPAL WILT: Cattleyas and Their Hybrids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleyas are the most sensitive of all in the whole plant kingdom to ethylene; one part in five hundred million parts of air can ruin sepals and eventually the whole flower. A73-905 Read More

SEPAL WILT: Cigarette Smoking in the Home

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Ethylene polluted air in the home gave short-lived flowers; after stopping smoking, longer lasting, larger blooms were realized. A74-134 Read More

SEPAL WILT: Ethylene Injury Prevention

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Silver ion (Ag+) is very effective in preventing dry-sepal (ethylene) injury on Cattleya flowers as it will protect them from doses 30 times as strong. Hort. science,1976-174 Read More

SEPAL WILT: Premature Aging

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For explanation of two similar conditions, refer to N309+ Read More

SERVO: As a Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A proprietary medium apparently mostly made from sugarcane bagasse with perlite and small charcoal chips; lasts one year; source given. OA86-204 Read More

SERVO: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A formula of vitamins, growth hormones, charcoal bits, perlite and sugar-cane fiber; mixes well with cork nuggets; address; price. OIE85Mar-14It's mostly sugar-cane bagasse with perlite and charcoa... Read More

SERVO: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The husk left from sugar cane after the sugar is removed; bagasse; it absorbs moisture and releases it slowly; has a pot life as a potting medium in combination with sphagnum peat of several years;... Read More

SERVO: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A commercial name for a mix of sugar-cane, charcoal, peat moss, and perilte; used in Florida with success and elsewhere; it breaks down quickly but works well with fast-growing seedlings and young ... Read More

SEVIN: Carbaryl, An Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A carbamate poison effective against beetles, caterpillars and some scale insects; has a short residual effect. AH13 Read More