Newly Posted Articles

OUTDOORS GROWING: Requirements for Locality

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Warm days are needed with cool nights, frost, but no freezing, good humidity in summer and dry in winter, approximately 20 inches of rain annually, and not many summer days over 100 deg.F. OD78-63 Read More

WATERING TIMING: Don't Plan a Definite Day for Watering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago First determine the moisture condition of the bottom of the pot if possible, not the top, and water accordingly regardless of the day. OD72-227 Read More

WETTING AGENTS: Other Names Used, and Their Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Also known as surface active agents, surfactants, adjuvents, penetrants, detergents, spreaders, emulsifiers; they are non-toxic but damaging at high levels, or more than 10 ppm.; avoid regular use;... Read More

FUNGUS: Anthracnose-type Which Grows on Live or Dead Tissue

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is easily controlled with benomyl (Benlate) 1 tpg.; or, use Dithane M5, 1.5 tpg. A78-1124 Read More

OUTDOORS GROWING: Return to Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Two sprayings a week apart are recommended : 1. Cygon+Benlate+Kelthane, and 2. Malathion+Captan+ Kelthane. A84-467 Read More

CATTLEYAS, MINIATURE: Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Miniaturization and its advantages in the small greenhouse; the best clones for breeding, their main characteristics, crossing with other genera; for details refer to W10-165 Read More

GRAVEL CULTURE: Comparative Merits

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Phalaenopsis do very well, cattleyas not so well as in osmunda, mexi-fern or bark; much used around 1950, now confined to phalaenopsis; takes more labor; more problems with bush snails. A65-1003+ Read More

GRAVEL CULTURE: Of Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It will not produce one more flower or leaf than will bark, or osmunda, etc. under good culture. A81-393 Read More

GRAVEL CULTURE: Pros and Cons

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Florida area; advantages and disadvantages listed; comparison results with osmunda and bark; specific successes listed; refer to A57-778+; gravel culture instructions; refer to N303+; gravel con... Read More

GRAVEL CULTURE: Success with 12 Different Genera

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Roofing gravel used; 75% feldspar, quartzite and quartz, 25% calcite, decayed marble, limestone and garnet (decreasing in that order); 1/4 to 1/2 inch sizes, smooth and mostly round; treat with 75%... Read More