Category: Orchid Doctor

SOLAR RADIATION: U.S. Cities Table

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 8 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 8 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 8 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 8 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 8 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 8 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 8 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 8 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 8 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