Category: Orchid Doctor

SOLAR RADIATION: U.S. Cities Table

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Three-year average solar radiation square feet of horizontal surface for peak summer months; about 70 cities listed; highest radiation is in Phoenix with 200; lowest is Caribou, ME. at 115. (RMH) Read More

SOLAR STILL: To Obtain Distilled Water

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Recommended for growers in warm areas where local water supply has a high sodium content and where sensitive plants are not too numerous or large; refer to OD79-53 Read More

SOLARIUMS: For Growing Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago 600 sq. ft. of space attached to house is provided with an area for fluorescent lights; has separate heating system; 45 plants mostly in tree-fern; kinds listed; refer to A75-678+ Read More

SOLITE CULTURE: Vandas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Best results are achieved with it over tree-fern or large fir bark in Florida; use larger than the three-eights inch, mesh size. F68-14 Read More

SOLITE CULTURE: Yellowing of Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Minor elements are usually supplied as impurities in commercial fertilizers or in water or in additives; spray plants in solite with minor elements as a foliar feed weekly. F70-132 Read More

SOLITE: Aluminum Slag

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Used as lightweight concrete aggregate, adaptable for Florida to add to potting media; has appearance of small clods of baked mud; its pH changes little; little accumulation of salts; holds 30% of ... Read More

SOLITE: Fired Clay

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago A potting medium used by some growers in areas where orchids can be grown outdoors and where rainfall is high; not very practical for greenhouse culture in Florida. Wll-212 Read More

SOMACLONAL VARIATION: A New Technique for Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Plants produced by tissue culture techniques are sometimes not true to type and the variations can be guided to develop new characteristics such as disease resistance, etc.; the hidden resources of... Read More

SOMACLONAL VARIATION: The Prize Offered by Eric E. Young

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago It was instituted in October 1981 with the objective to produce a somatic hybrid between two genera not compatible, or two or more taxa whi ch are widely separated phylogenetically. OR82-6 Read More

SOMACLONAL VARIATION: What Is It?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago The Eric E. Young Somatic Hybrid Prize is $50,000 to be awarded to the first person to produce a non-sexual hybrid between two or more taxa widely separated phylogenetically; refer to A82-45; 492 Read More