Newly Posted Articles

CYMBIDIUMS: Fertilizer for Blooms

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Mix your own 2-10-10: 3.6 lbs. of Ammonium phosphate (16-20-0); 1 lb. Urea (45-0-0); 5.6 lbs. Phosphoric acid (0-75-0); 10 lbs. Potassium sulphate (0-0-50); 30 lbs. water; makes 4.5 gals, concentra... Read More

KEIKIS: On Phalaenopsis lueddemanniana

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Culture is the key; possibly too little light, or too much water or potting medium too dense; over-fertilizing also causes keikis to appear. A77-449 Fertilizer at the rate of 50 ppm. could cause... Read More

OHIO W.P.SOLUTION: Fertilizer Used Experimentally in Gravel Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago For proportions of seven chemicals included, refer to N304 Read More

PETAL BLIGHT: Caused by Fungi Other Than Botrytis

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago 16 other fungi have been found as causes; many are saprophytes living on decaying leaves, flowers, potting mixes; all such must be removed from under benches and bench tops; periodical spraying of ... Read More

PETAL BLIGHT: Botrytis

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago It is common during cool, damp weather, with poor air circulation; most harmed by it are cattleya and phalaenopsis flowers; destroy all infected blossoms quickly, spray with benomyl (Benlate 50W) a... Read More

PESTS AND DISEASES: Bacterial, Fungal, Viral

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago For an extended and timely treatment of pests, rots, fungus, virus, with colored illustrations for identification, symptoms, controls, etc., refer to A82-237; 382; 479; 593; 719; A86-1027;also OBIV... Read More

PESTICIDES: Vulnerable Parts of the Human Body

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago All parts; the most vulnerable are: the skin, particularly of the scrotum, the upper legs and the lower trunk area; one drop or two of a common organophosphate such as parathion, sulfotepp, etc., o... Read More

PHALAENOPSIS: Buds Fall Off in the Home

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago The chances are good that the atmosphere in the home in winter is too dry because of low relative humidity, so place the plants on pans of gravel ana water. A83-1156 Read More

PESTICIDES: Types Included in the Word

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Algacides, biological pesticides, fungicides, herbacides, insecticides, molluscicides (snail baits) and rodenticides; many of these names are entered in this book. AU87(3)-45; RMH Read More

BUDS: On Paphiopedilums, They Turn Brown, Working Down the Stem

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Probably caused by bacteria; provide good air movement; water early in the day; for additional protection soak plants entire in Natriphene 1:2000 for 15 to 30 minutes. A72-534 Read More

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