Category: Culture

CALABASH TREE: Crescentia Cujete

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Host tree "par excellence"; native of tropical America where it is widespread; grows 20 to 40 feet high; has been widely transplanted, especially to the East; all kinds of plants thrive on it. AU70... Read More

BARK, FIR: Sterilization

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It can be steam sterilized but that will hydrolize complex carbon compounds and increase its decay; no serious diseases or insects are introduced by it. A66-55 Read More

CALCINATED CLAY: Pellets Used as Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaching and drying will move salts to surface of pellets for their removal. A77-1101 Read More

BARK IN POTS: Laced with White Thread-like Fungus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A common wood-rotting fungus; may check growth if not fertilized well with nitrogen. A71-249 Read More

ANTIBIOTICS: As Growth Stimulants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Streptomycin, terramycin used experimentally on cattleyas resulted in disadvantages, and are not recommended; refer to A59-38+ Read More

BARK, COMPOSTED: For Cymbidium Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago I.C.I, composted forest bark (50% with medium fir bark) is made from bark skinned from logs at pulp mills and composted. Orchid advocate, vol.5, no.5, 1979, p.166. Read More

BARKS, SUITABLE: Other Than Douglas Fir

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Silver birch, the rough part from the base of the tree; it is heavily crevassed with many a lay er of dead cells to decompose; also chestnut, pear and apple. N79-163 Read More

CALCIUM: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An essential element; removes certain organic acids; is part of cell wall construction. OA78-51 Read More

CARBOHYDRATES: Formation and Respiration

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are the focal point of growing; they determine greenhouse design, potting media, fertilizing levels, flowering, temperatures and humidity requirements and concepts. AU79-35 Read More

ANGRAECUMS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 55 degrees F. at night; 50% relative humidity; 2,000 fcs. winter, 4,000 fcs. summer. AU71-135 Read More