Category: Ailments

SOAPS: A Detergent as a Pest Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For scale on a small number of plants soapy water and a toothbrush can be used effectively for spider mites; a soapy spray will control them for a while but will not eradicate them. A83-600 Read More

SOFT ROT (ERWINIA CAROTOVORA): Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is infrequent in orchids; shows as wet rot with most offensive odor; cut out diseased parts or destroy the plant or plants and disinfect everything with Clorox or formaldehyde; spray with Physan... Read More

SOW BUGS: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Drench with 1 ttpg. Diazinon WP. A77-995Drench with 1 ttpg. of Diazinon 50%WP. A78-112; or, 1 lb. of Diazinon per 100 gals, water. A80-4In cymbidium pots, spray with Zectran, emulsified concentrate... 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

SOW BUGS: In Plants Under Lights

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Insects that feed on decaying organic matter do not damage roots, so leave them alone if the roots are all right ; if not, than use a Malathion drench, preferably outside because of the smell. A84-... Read More

FUNGICIDES AND FERTILIZERS: Applied At the Same Time

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not do it; apply fertilizer two days after application of a fungicide. A81-266 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

FUNGUS DISEASES: Control of Gloeosporium (anthracnose)

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Remove diseased parts, spray with copper or Maneb M22 at 1.5 ttpg.; give lots of air. A65-536; latest control is Benlate at 1 to 1.5 ttpg. OWD Read More

FUNGUS GNATS: Small Black Flies

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Young maggots are whitish with black heads; they feed on decaying matter; some may feed on roots; control with malathion or diazinon. A65-728; OD65-120; OR74-227 Read More

FUNGUS: Diseases and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a list of Cercosporas, their symptoms, controls, illustrations, prevention, etc. refer to A82-593; OBIV-265 Read More