Newly Posted Articles

CATTLEYAS, BIFOLIATES: Control of Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago About June 1, cover the plants each night with black cloth draped over a rack completely at 5 P.M. and remove in the morning at 8 A.M.; flowers start in July and peak in August and September when m... Read More

CYMBIDIUMS: Spraying in the Evening

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago If plants are outdoors in the summer this is a good cultural practice on warm and hot days. OR85-29 Read More

HYBRIDIZING: Between Two Bigeneric Species

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Breeding can proceed in seven ways without the usual male or female position in crossing; example: Miltonia and Oncidium: MxO, OxM, MOxO, MOxM, OxMO, MxMO, MOxMO. 0DA76(4)-25 Read More

HYBRIDIZING: Early or Late Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Flowers coming out after half the flowering season is over are more likely to take than the early ones. ODA76(4)-24 Read More

LIME: Oyster Shell, Its Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is calcium carbonate lime; ground up shells comes in coarse type for chicken scratch or flour type used by many orchid growers. C74-51 Read More

HYBRIDIZING: Information on Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The time of year in which to do a cross varies with circumstances but mainly whether the two flowers are available or whether the pollen has been properly stored; consideration should be directed t... Read More

HYBRIDIZING: Reciprocal Crosses

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago These can make a difference because in yellow and orange colored flowers, spotting and some other traits, desirable or not, are transmitted through other parts of the cell besides the genes, oddly ... Read More

GREENHOUSES: Sanitation

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A program of cleaning, sweeping and disinfecting with bleach, Physan, Shield; a fungicide treatment of plants and greenhouse with Natriphene, Panogen or Tersan; refer to A66-375+Infestations of man... Read More

GREENHOUSES: Submerged

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A combined solar and sunken structure in Maryland has marry advantages; for complete details refer to A82-1141An "English" style, size 7 ft, by 9 by 5.5 deep; a huge success is the claim and econom... Read More

XEROPHITIC ORCHIDS: Some Examples

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The genera include Angraecopsis, Cyrtorchis, Jumellea, Microcoelia, Rangaeris, Tridactyle and Ypsilopsis; plus Oncidium onusturn and Epidendrum boothianum. A80-1140 Read More