Category: Ailments

BENLATE: Mixed with Truban

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The two are freely compatible; use lttpg. of Benlate and only ltpg. of Truban; both are expensive. A82-1178 -- used in small doses with each watering = it does no good to the plants because it must... Read More

BENLATE: Risk of Damage

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Safe to use on cymbidiums, cattleyas, dendrobiums, stanhopeas, phaius, rhynchostylis, vandas, ascocendas, phalaenopsis and Angraecum Veitchii. OR76-98 Read More

BENOMYL 50W (BENLATE): Wide Spectrum Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Controls most orchid pathogens but not Phythium ultimum, Phytophora cactorum, or bacteria. AH15 Read More

BUDS: Kept Closed by Sticky Secretions

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Excessive sugar is produced, sometimes following too much light, probably on a clear frosty morning, so a slight increase in the morning temperature should solve the problem; raise the thermostat a... Read More

BUDS: On Cattleya Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Shrivelled and soft, drop when touched; probably ethylene toxicity is the cause; check valves and controls on burner of dynavent heater using propane as fuel. A73-155 Read More

NATRIPHENE WP: Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For brown spot (Pseudomonas cattleyae), brown rot (Erwinia cyprepedii), bacterial leaf rot (Erwinia chrysanthemi) soft rot (E.carotovora) and miltonia scorch; control: use 1 tpg., immerse plant one... Read More

NATRIPHENE WP: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For anthracnoses, black rots (Pythium ultimum, Phytophora cactorum), collar rot (Pellicularia (Sclerotium) rolfsii), seedling damp-off (Pellicularia filimentosa,etc.), flower spotting (Botrytis); a... Read More

NATRIPHENE WP: Fungicide/bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It has an LD-50 of 2,000 mg.; use as a spray, drench or soak for several hours at a concentration of 1:2,000. A73-810; submerge for one hour in three-quarters tpg. or the equivalent of 1:2,000, and... Read More

PHYSAN: Viruscide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago All quaternary ammonium compounds, which this is are oxidizers and when used to sterilize cutting tools they need to be dried out for the necessary action to take place. OA81-152 Read More

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They should be purchased for short-term use; mark the date of purchase on the container; most keep their effectiveness for two or more years if stpred properly; signs of ineffectiveness in dusts an... Read More