Category: Orchid Doctor

TREES, HOST: In the Tropics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In Central America orchids show a preference for some trees and shun others; orchids do not grow often on tree fern in nature; some trees attract only a few definite species; refer to A59-244+ Read More

TREES, HOST: In Various Countries

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In Singapore, frangi-pani (plumerias) as as in other countries are good substrates; large branches of it can be cut, anchored erect and the plants mounted on the branches; citrus trees are excellen... Read More

TRIACONTANOL (TRIA): And Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A stimulant of plant growth at low concentrations, is contained in such things as alfalfa hay, can be used in sterile flasks and as a foliage spray; for report of trials refer to OA82-45 Read More

TRIACONTANOL (TRIA): Plant Growth Regulator

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is a 30-carbon alcohol found in wheat germ, beeswax, and the leaves of some plants such as alfalfa; reports of increases in growth in agricultural applications; some reports of failure possibly ... Read More

TRICHOCEROS: Problem Species

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For them use a medium of fir bark mixed with perlite, or better a slab of tree-fern; refer to A78-998 Read More

TRICHOPILIA SUAVIS: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For advice on its culture, refer to A78-812 -- a problem plant = the leaves turn yellow, with irregular brown sunken lines and patches; the ailment is probably caused by Diplodia laeliocattleyae; t... Read More

TRIPLOID: Meaning

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A clone with three times the basic haploid number; written as 3n; the result of a cross between a diploid and tetraploid. AU78-47 Read More

TRIPLOIDS: In Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Relative sterility, etc,: diploid pollen on triploid flowers produced a small number of tetraploid progeny; triploid pollen is infertile on another flower; some triploid-diploid matings produce ane... Read More

TRIPLOIDS: In Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A combination of a diploid and a tetraploid; they are generally the heaviest producers of long spikes of large blooms on quick-growing, strong plants; they are assumed to be sterile; they comprise ... Read More

TRISODIUM (ORTHO) PHOSPHATE: A Safe Disinfectant, Easily Obtainable

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For virus control; not as fast or as effective as some others, but is the least expensive and well recommended; refer to A66-980; A68-29+; also sold as Spik and Span. OA77-177; soak tools in a 15%,... Read More