Newly Posted Articles

FISHING LINE: For Applying Plants to Slabs

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use six-pound test monofilament (nylon) type; apply plant and perhaps bits of sphagnum to the slab and wrap all together with the line; invisible and cheap. A76-310 Read More

SAPROPHYTES: Kinds of Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 years ago For their characteristics and a list of 36 genera, refer to A72-787 Read More

SEED GERMINATION: With Fungicides and Bactericides in the Flasking Media

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Protection of the seed against contamination in flasks by this method has been worked out; refer to OR-220 Read More

PUMICE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A light, spongy stone thrown up by volcanoes. A75-712; RMH Read More

BACTERIAL BULB ROT: Erwinia Carotovora

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Found on cymbidiums; spots become soft, oozy, foul-smelling; cut off and destroy; spray other bulbs with Agri-Strep or similar with care. S205 Read More

BACTERIAL BULB ROT: Syringing Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It's the best way to spread disease. A78-998 see also Brown rot; Brown spot; Miltonia scorch; Necrotic spots; Phalaenopsis (clear translucent spots); Soft rot Read More

FERTILIZERS: Organic or Inorganic

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Bacterial activity is low at 50 deg.F. (10 deg.C.) so it is better to use inorganic types of fertilizer in cold weather;use an organic in warmer temperatures. AU73-185Both can be used; liquid organ... Read More

SARAN SHADE CLOTH: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

CYMBIDIUMS: Cool Nights Are Required to Start Spikes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A common belief, but it has not been proven; they spike in California in the hottest months of August, September and October; in Hawaii they spike at about 65 deg.F; it may be a contributing factor... Read More