Newly Posted Articles

FLASKING FORMULAS: Chang Formula

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For seed sowing, use 1.5 teaspoonfuls fish emulsion, nine level teasp. agar, 5 k level teasp. sugar, 1 level teasp. Peptone, 1 liter of water; adjust pH to 5.0, A60-597; A65-152 Read More

BORIC ACID: For Stunted Cattleya Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 1/2 ounce in a gallon of water and of that take 2 tablespoons and add to 1 gallon of normal fertilizer; user delighted with results. A73-914 Read More

FLYSPECK: Mycrothyriella rubi

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A fungus, easily escapes detection; widespread but causes little damage; tiny black specks in groups of six to fifty or more grow superficially on the leaf; wipe off with mild solution of soapy wat... Read More

FIBERGLASS: Green Color as Cover

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Clear should have been used, with white shading; green tends to give a hot temperature; they will pass enough orange-red for good growth; worth trying for a year. A74-1062Emerald green shade in a s... Read More

FLASKING: Transflasking Improvements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They result from the replenishment of nutrients and of pH adjustments; probably the increase in water plays a part; more space influences all factors. A68-524 Read More

FUSARIUM WILT: Shiny Brown Rot

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago On cymbidiums and cattleya seedlings and others; it can also appear as a white mat over fir bark and the roots, and prevents absorption of nutrients. Fitch: All about orchids (1981)-217 Read More

FLASKS: Best Time for Removal of Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Move cattleyas and phalaenopsis to compot when seedlings are about one-inch; they are easily handled; smaller ones have been successfully transplanted, but the larger ones have a better chance of s... Read More

FLOWER SPIKES: Shrivel in the Middle

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Oncidiums show this collapse which is possibly caused by heat stress and water stress combined; a rapidly developing spike if overheated even momentarily will have its cells collapse; water stress ... Read More

FLOWER SPOTS: Or Moisture Spots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They can be prevented on cymbidiums by applying more heat or ventilation. OA87-162 Read More

FLOWERING TIMES: Characteristics of Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In their natural habitat they peak a month or two earlier than in the greenhouse in the north; for lists of S.E.Asian, Philippine, and Malayan, plants refer to W11-171 Read More