Newly Posted Articles

MOUNTS: Use of Staples

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Different makes, such as fence staples or electrician's staples can be pressed down over small plants on a thin pad of moss or fiber into a cork slab or other. A83-729 Read More

BARK, FIR: Sterilization

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

BARK, PINE: Potting Medium for Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It should be thick and free of pitch; it is dried, then ground into pieces one-quarter inch by three-quarter inch; can be used by itself or with peat moss, perlite, or redwood fiber. A72-412 Read More

CATTLEYAS, MINIATURE: Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago When deflasked into community pots they require slightly more frequent watering, more shade, slightly less fertilizer. A86-815 Read More

LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH Read More

CATTLEYAS: Cracking of Pseudobulbs Horizontally

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Some break off at the crack line; they develop year after year; possibly genetic in source; treatment for nutrient deficiency has not been effective. AH59 Read More

CATTLEYAS: Flared Petals

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Flaring is a rather unstable characteristic which varies from one blooming to another; it is known as peloria; the Lc's. stem from Laelia purpurata; the straight cattleyas from C. intermedia, espec... Read More

POLYSTYRENE: Potting Material

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In bead form; common ingredient in Europe; an insulating material, extremely light, inert, does not saturate or rot, retains moisture on surface only; used in a mix with peat moss, sand and sphagnu... Read More

CROWDING PLANTS: Do Not Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Air circulation is very important in the growth process. OD72-227 Read More

BRACTS ON SPIKES: But Flower Buds Don't Show There

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More