Newly Posted Articles

FERTILIZERS: Best After Test

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Levels of fertilizing on cymbidiums which gave best results were N -- 100ppm., P -- 20ppm., K -- 75ppm., Mg (Magnesium sulphate) 25ppm., and Fe (Chelated Iron) 8 to 10ppm.; these represent very wea... Read More

FERTILIZERS: Best for Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In an experiment in Southern California a balanced 20-20-20 produced 50% more spikes than 25-10-10 at the end of two years. OA84-78 Read More

FUSARIUM WILT: Fusarium Monoliforme

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A fungus causes slimy brown rot of cymbidium seedlings and cattleya pseudobulbs and leaves; may form a white mat over fir bark and roots, preventing absorption of nutrients. OD67-13 Read More

LADY BUGS: For Aphid Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They can't control an infestation. A74-708 Read More

CYMBIDIUMS: Commercial Flower Production Norms

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago One plant takes 10 sq. ft. of space including walk areas; it should produce at least 60 flowers to pay its way, or six top-quality flowers per square foot. A63-897 Read More

GREENHOUSES: Automatic

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago By use of Envirorrdl designed for a fan heater of 2400 watts output at 10 amps, one evaporative cooler and a circulating fan; suitable for an area 12 ft. by 8 ft.; for details see AU87(l)-36 Read More

HAPUU: Tree Fern From Hawaii

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Recommended by a user of twenty years; description, characteristics, illustrations; refer to A64-784+ see also Tree-fern, Hawaiian Read More

LEAVES: Removal From Ailing Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most important is the removal of most leaves from a dessicated plant recently received with no roots; when little or no means to replenish water exists the plant should be relieved of a good portio... Read More

LIGHTS, ELECTRIC: Interference with the Growth Pattern

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago An electronic insect-killer with an 80-watt power lamp left on outdoors at night 50 to 60 feet away from summering cattleyas will affect them by delaying flowering to a later date, A84-1180 Read More

LIGHTS, GROWING UNDER: Continuous Light

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Non-stop light is wasteful; up to 16 or 18 hours is beneficial but after that the plants do not benefit; in winter in southern areas street plants growing under lamp standards show stress because t... Read More