Newly Posted Articles

FLASKING FORMULAS: Curtis Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For germination of Epipactis seeds; chemical components and application, refer to A82-168; OBII-243 Read More

FLASKING FORMULAS: For Orchid Seed Germination

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Instant solutions for dendrobium, cattleya, cymbidium, paphiopedilum, developed by scientists at Kyoto University using Hyponex, sugar, agar, water, apple juice, etc.; refer to A63-354+ Read More

FLASKING FORMULAS: Knudson-c Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Monopotassium phosphate 0.25gm., calcium nitrate 1.00 gm., ammonium sulphate 0.50 gm., magnesium sulphate 0.25 gm., ferrous sulphate 0.025gm., manganese sulphate 0.0075 gm., agar 17.5 gm., sucrose ... Read More

FLASKING: Reflasking Alternative

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use a 2-liter plastic pop bottle; heat the bottom stand in hot water to soften the adhesive and pull it off, cut off the top section of the pop bottle and invert it into the stand portion to form a... Read More

BLACK ROT: Water Mold Pythium Ultimum Is the Cause

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The special enemy of commumity pots of seedlings; damp-off; spray with Physan, Anti-Damp, or Natriphene once a month as preventive; on mature plants cut out rot; soak plant in good fungicide, dry, ... Read More

INJECTORS, SYPHON: Devices for Injecting Phosphoric or Citric Acid Into the Water Line

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Two recommended are Hydromix and Syphonex, both illustrated. A73-55 Read More

PH (GENERAL): Testing by a Cheap Method

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Buy an aquarium test kit, complete with test tube, color code; it is accurate to one-tenth of a pH point; and an indicator; cost is about a dollar (in 1969); test media or water. A69-403 Read More

LIGHTS, GROWING UNDER: Problems Associated with Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For weakness of growth and failure to flower and related problems refer to AH45 Read More

MERIT COMMANDER PROPORTIONER: Adding Ben Late or Physan for Maintainance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It proportions at the rate of 1 to 128; do not mix Benlate and Physan; use 5 oz. Benlate to two quarts of water for a stock solution to supply 64 gals, through the proportioner and add 13 oz. Physa... Read More

MITES, SPIDER: Also Called Red Spider Mites, or Two-spotted Mites

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are troublesome on thin-leaved genera such as cymbidiums and cycnoches; they cause fine stippling, white scars, or silvering, of undersides of leaves; on buds and flowers they puncture along t... Read More