Newly Posted Articles

SPECIMEN PLANTS: Of Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If the plant lacks the natural tendency to develop several leads, cut the rhizome in 3 to 5 places in the rhizome in the pot; the rear portions should flower in one year. OR81-142; OR85-145 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

FUNGUS: Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Orchids are tolerant of fungal neighbors around their roots and are unlikely to suffer; apply a weak fungicide other than Benlate. OR76-361 Read More

FUNGUS: Preventative Spraying

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Truban and Banrot every two months mixed together 1/2 tpg. of each in the same gallon of water. A87-794 Read More

SEED: Disinfectants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Calcium hypochlorite is a very reliable choice; some people prefer Clorox. A62-925 Read More

CAT LITTER: In Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A calcined clay or shale product sold in supermarkets is slightly alkaline and becomes neutral with use; cymbidiums grow well in it in small containers but some show signs of chlorosis when it is u... Read More

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