Category: Orchid Doctor

PARTS PER MILLION: Equivalents

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One part per million (ppm.) is one ounce in 7,830 gallons of water; lOO ppm. is equivalent to 4.5 oz. ammonium nitrate in 100 gals. C72-223; OR74-135 Read More

PATENTED ORCHIDS: First in Australia

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago American, Japanese and European growers are protected by plant patent laws, so In effect a competing firm cannot buy a plant and then mericlone it at will for sale; a first for Australia. AU83-174 Read More

PATENTED ORCHIDS: Under the Plant Patent Act

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago New varieties in the U.S., including sports, mutants, seedlings and hybrids can be protected under the Act for exclusive rights to make, use and sell; Read More

PATENTS: Issued by the United States Patent Office

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The basic legal cost is about $1,000 (1977); purchasers of a patented plant cannot offer it, or portions of it, or propagations from it, for sale, without permission. A77-909 Read More

PEACH STONES: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In South Africa first class growth and flowers are had on plants potted in peach stones obtained from the local canning factory; they do not break down; they hold sufficient water. OR76-160 Read More

PEANUT SHELLS: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is a waste product; shows promise as a substitute for peat moss; use in the coarse form; it provides porosity, drainage, aeration and water penetration; the pH is 5.5, slightly acid, which can b... Read More

PEAT MOSS: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A typical mix is 2 parts peat moss, 1 part coarse horticultural sand, 1 part coarse Perlite. OR87-273When used as the sole potting medium it holds too much water. A66-927 Read More

PEAT MOSS: Handling

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Persons handling peat moss can contract sporotrichosis an unpleasant fungus infection which can enter the skin through nicks and abrasions, or be inhaled; the first is usually mild and is treated w... Read More

PEAT MOSS: Sphagnum Peat, Canadian Peat

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Because it is fine in texture it has to be mixed with perlite or pebbles, or whatever, because by itself it tends to coalesce and retard air circulation, so roots tend to languish, except for cymbi... Read More

PEAT: Difference in Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago German peat is vastly di f ferent fom Canadian, the first being chunky, coarse so that it enhances water retention while still maintaining porosity; most importantly it is virtually unobtainable, s... Read More