Newly Posted Articles

ANTHOCYANINS: Red Pigment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Usually develops as result of high sunlight, or, "low" temperature, or a "high" sugar content, or a phosphorous "deficiency"; but all are relative to the growing conditions; species and genera diff... Read More

FLOWERS: Almost Constant Bloom, Will it Deplete a Miltonia?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Not if fed well and the light is right. A79-370 Read More

FLOWERS: Grooming Techniques

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Manipulation enters into many aspects of growing and showing plants, from staking plants or spikes up to the techniques of hybridizing itself, so adjusting the blooms for show purposes is quite in ... Read More

FREEZING: Counteractions to Take

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If the temperature falls to lower than 20 degrees F., cymbidiums will not recover so attemps to revive them are hopeless. A85-726 Read More

FREEZING: Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Remove tops of frozen leaves and return to good culture; give less fertilizer depending on amount of leaf loss. A75-298 Read More

FOOT-CANDLES: Minimum Amount Required to Affect Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This has not been determined; it is generally assumed that more than two fc. of light intensity is required to delay flower initiation by orchids; most commercial growers use lOfc. or more. A67-45 Read More

FUMIGANTS, SMOKE: Most Effective

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Vapona (DDVP) is, but a permit to use it is necessary; Dithio smokes ("bombs" or cans) are dangerous to humans; Diazinon and Cygon 2E are safe and effective sprays. A77-995 Read More

CATTLEYAS, MINIATURE: Species for

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 15 related species described as miniatures with 38 hybrids derived from them; refer to W11-205 Read More

APHIDS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They feed on buds and flowers, are common on cymbidiums; winged forms can reinfest continually so systemic insecticides which last a month are preferred; use dimethoate (Cygon), Meta-systox and Tem... Read More

APHIDS: Small Soft-bodied Sucking Insects

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Yellowish, green or black; winged and wingless forms; multiply rapidly and spread thickly; cause puncture wounds on blossoms and distortion of growth; suspected of spreading virus; sometimes tended... Read More