Category: Orchid Doctor

SPHAGNUM MOSS: To Grow it Yourself

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Put some wet peat moss under the sphagnum so that its roots can derive some moisture and nourishment for growing. OIE88Jan-ll Read More

SPIDER MITES, RED: Biological Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A predator of Tetranychus uriticae is another mite named Phytoseinlus persimilis, which is slightly larger, orange in colour, and which feeds only on Red spider and is very effective; refer to OR81... Read More

SPIDER MITES, RED: Humid Conditions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Normally thought of as a deterrent, humid conditions do not keep it at bay, it infects many garden plants and bushes and is always near us, so spray at 10 to 14 day intervals with a new spray each ... Read More

SPIDER MITES: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For the two-spotted variety, a list of eleven different brand names used in New Zealand, with their toxicity, and comments on their effects. NZ86-102Spray in the spring and fall with Pentac followe... Read More

SPIDERS: In the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are mighty hunters of insects; Miturga lineata with a three inch leg-spread, brown and gray, moderately hairy is very useful; enough of them can keep a house free of insects; they hide during ... Read More

SPIKE WEIGHTS: To Pull Flower Spikes Upright

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The retractable rollers are popular in places but they lose their springiness; a substitute can be rigged by placing a thin pipe horizontally about four feet above the flower spikes, and hanging ov... Read More

SPIKES, FLOWER: Breaking Off

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They double up like hair-pins and break off; a cause may be excessively dry atmosphere. A77-449 Read More

SPIKES, FLOWER: Turn Into Leaf Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In phalaenopsis, spikes can turn into keikis; in one case an oncidium formed a flower spike which turned into a growth spike with leaves, then turned back into a flower spike; genetics and geograph... Read More

SPLITTERS: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Taxonomists who take the opposite view of "Lumpers" and call "minor" differences "major" ones, enough to classify them as separate species. FR99 Read More

SPOROTRICHOSIS: A Fungus Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contracted by handling lots of natural materials including sphagnum moss; it is introduced through punctures in the skin; forms nodules on the extremities; causes arthritis, lung inflammation, abdo... Read More