Category: Orchid Doctor

FUNGICIDES: Indoor Use on Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Safe for in-home spraying is Malathion 50%, at the rate of 2 tpg.; or put on rubber gloves and apply the dilution with a soft brush to avoid splashing. A63-213 Read More

FUNGICIDES: Mixing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mix Benlate with Dexon; mix Benlate with Truban; do not combine Dexon with Truban because they both do the same thing; Dexon is stable only one or two days in water; the others somewhat longer. A74... Read More

FUNGICIDES: Most Commonly Used

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Truban 30WP, Banrot 40WP, Benomyl 50W, Physan 20 (Consan), Plantvax 75W, Shield 10W, Natriphene, Captan, Ferbam, Zineb, Daconil, Tersan. AH15+ Read More

FUNGICIDES: Most Used

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Truban 30WP to control black rot fungi; Benomyl (Benlate 50W) for most pathogens but not Pythium ultimum, Phytophthora cactorum or bacteria; Physan 20, a wide-spectrum fungicide and bactericide; Na... Read More

FUNGICIDES: Placed on Top of Vandaceous Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not use Benlate which is specific for fungi which do not occur in crowns of vandas or phalaenopsis; use Captan. F80-20 Read More

FUNGICIDES: Recommended

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Captan, Dexon, Dithane, Ferbam, Morton's Soil Drench, Natriphene (Dowicide A), Panogen, Parzate C, Z-78, Zineb, OD67-50Dithio-carbonic acid derivatives: Ferbam; Nabam; Thiram, Zineb, Ziram; also Ca... Read More

FUNGICIDES: Regular Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not use fungicides such as Physan regularly or add it frequently to the fertilizer. A78-112 Read More

FUNGICIDES: The Best

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Banrot a combination of Truban and a benomyl-like fungicide will control most diseases; Physan 20 is an algecidal control. A78-495; Folpet (Phaltan) is best for warmer parts of the country; use it ... Read More

FUNGICIDES: Weekly Spray for Brown Spot on Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Weekly spray with Physan (Captan 50%) plus intermittently with Natriphene is far too much and could cause the spotting. A75-618 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More