Newly Posted Articles

XEROPHITIC ORCHIDS: Some Examples

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The genera include Angraecopsis, Cyrtorchis, Jumellea, Microcoelia, Rangaeris, Tridactyle and Ypsilopsis; plus Oncidium onusturn and Epidendrum boothianum. A80-1140 Read More

CYMBIDIUMS: Early Flowering, Breeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The greatest value is to the cut-flower trade; an "early" is any flower appearing before January 1, preferably December 20; based on breeding with species: Cym. erythrostylum, Cym. grandiflorum, an... Read More

CYMBIDIUMS: Fertilizer Changes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Changing from high nitrogen in summer to high phosphorus/potassium in fall is based more on folklore than on fact. SA85-Dec-168 Read More

CYMBIDIUMS: Fertilizer Program

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago From July to September use 16-3-27 once a week, plus a dry feed of 2 pts. Dried blood, 6 pts. Superphosphate, 2 pts. potash at the rate of 1 tablespoon to a 25cm. pot monthly; in September Dried bl... Read More

INSECTICIDES: When Not to Use

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In Florida never apply them when the temperature exceeds 85 or 90 deg.F.; spray in the late afternoon to avoid much injury to plants. DK23Never use them on wet foliage, or when the sun is shining o... Read More

CROWN ROT: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It usually affects phalaenopsis; also called Southern blight (which see); dip plant in Natriphene. S201 Read More

ORCHID CHIPS: Styrofoam

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A potting mix, with specially textured surface to increase water retention, used in Great Britain, not available in the U.S.A., but polystyrene ground up in a meat-grinder and used 50/50 with bark ... Read More

INSECTICIDES: In the Home, for Spraying

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use a clear plastic garbage bag about 30 inches by 40 inches; place layers of newspaper on bottom of lengthwise bag; place problem plants inside up to a dozen or so; use a sprayer with plastic open... Read More

COLD GROWING: Some Reliable Plants for Cold Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Laelia anceps, L. albida, L. autumnalis, L. gouldiana, L. speciosa, L. purpuraturn, L. superbiens, and their hybrids. OIE85My-8 Read More

DISEASED PLANTS: Removal of Affected Parts

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Virused plants are usually affected throughout, destroy the plant; bacteria: remove parts when the first visible symptoms appear; fungi: remove spotted leaves particularly if the spots appear on th... Read More