Newly Posted Articles

HEATERS: Wood-burning Stoves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are not recommended because they ruin most orchids unless the draft is fully open at all times to discharge fumes into the neighbour's back yard. A81-526 Read More

BROWN SPOTS: On Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Bacterial rots are caused by cool, moist conditions; keep foliage dry and lower the humidity at night; follow scrupulous sanitary measures; the fungicide Subdue is effective but expensive at $75.00... Read More

BROWN SPOTS: Pseudomonas Cattleyae

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The most common and the most severe disease of phalaenopsis; water-soaked lesions show first; it advances rapidly; it kills the plant when it reaches the crown; splashing water spreads it; spray wi... Read More

ENDANGERED SPECIES: Trading Permits Required

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Those who import or export orchids, as named on the lists with the Endangered Species Act, or Convention on International Trade in Endangered Species of Wild Fauna and Flora, need a General Permit ... Read More

ENDEMICITY: And Disappearance of Species

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most of those that have so far disappeared were endemic to a small area, about a 15 square-mile patch of habitat. J.A.Fowlie M.D., corres. 1985 Read More

PYTHIUM ULTIMUM: A Fungus

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Also know as slime mold; it favors moist, cold conditions; in one phase it swims on a thin film of moisture; can be spread by splashing water; causes soft brown rot. OD65-10; OD67-49; controls: Tru... Read More

MICROMAX: For Trace Elements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A commercial product which can be added directly to the potting mix. OA87-93 Read More

COLORS OF FLOWERS: The Important Descriptives in Latin/greek/english

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Albo-/leuco/white; virido-/chloro-/green; flavo-/xantho-/yellow; roseo-/rhodo-/red; nigro-/ melano-/black; purpureo-/porphyro-/purple; viola-/iono-/violet; aureo-/chryso-/gold; vini-oeno-/wine. AA8... Read More

REFLECTIVE MATERIALS: Best for the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use reflective aluminum foil, available from distributors in a handy 16 inch width; or,paint the surfaces white. A80-960 Read More

PH (GENERAL): Of Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Experiments show that if a recommended medium is chosen the initial pH should cause no concern. Hort. revs. 1983-195 Read More