Category: Orchid Doctor

SANITATION: To Prevent Diseases Becoming Established

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For instructions on all the factors to be considered in order to maintain a clean growing area or greenhouse, refer to OBIV-271 Read More

SAPROPHYTES: Kinds of Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There are 20 at least in India, all of them non-green and leafless; three of them used as examples of unusual symbiosis,- a Eulophia, a Cymbidium and a Galeola; for illus. and details refer to A81-... Read More

SAPROPHYTES: Plants Dependent on Fungi Throughout

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For their characteristics and a list of 36 genera, refer to A72-787 Read More

SAPROPHYTIC FUNGI: Living on Dead Tissue

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It sometimes occurs on single plants; thrives under humid, dead air conditions; not a threat but its presence indicates poor culture. N319 Read More

SARAN SHADE CLOTH: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Perhaps better than whiting for shading; 72% is usually recommended, but it depends on how sunny the area is; is an ideal shade because it is uniform; usually collects enough dust to give extra sha... Read More

SARAN SHADE CLOTH: For Shading

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is most effective as an outside cover especially when supported by a framework that raises it above the glass and thus enables air to circulate between. A63-1012 Read More

SARAN SHADE CLOTH: Preferred Type of Mesh

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For Pennsylvania use the alternate open-and-tight mesh banded, with about 60%-65% shade over glass; or use 16X16 mesh and apply more than one layer depending on amount needed. A63-305; A66-580 Read More

SAWDUST COMPOST: Potting Medium for Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mixed with fowl manure; it is successful with some growers; breaks down easily; can cause root rot; sawdust from "treated" timber may also cause root rot; fowl manure might contain elements harmful... Read More

SAWDUST, REDWOOD: As Potting Media

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Excellent culture of cattleyas was obtained in redwood sawdust in a commercial grower's collection near the Californian southern border. OD69-173 Read More

SAWDUST: As Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To one half a cubic metre of sawdust add one half cubic meter of sand, and 2.6 kg. of Urea, 1.5 kg. of Superphosphate, 9.0 kg. of Dolomite (powdered limestone), 500gr. of Potassium sulphate, lOO gr... Read More