Newly Posted Articles

OUTDOORS GROWING: In Summer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago For pointers on when to move them, where to put them, what to do for pests and other problems, such as when the owner is absent refer to Ca82-82(5)-39 Read More

CYMBIDIUM TIP BURN: Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Botrytis. sp. cause leaf tip to become spotted; the spots join up to cause tip to die; powdery masses of spores show; cut off and treat with Tersan or other fungicide. N317 Read More

CYMBIDIUMS, MINIATURE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Any hybrid with at least one dwarf species as a parent or in its immediate background. OA79-52 Read More

SPIKES, FLOWER: Breaking Off

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

SPORTS: Mutations; Variant Offspring

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Visibly different plants in a group of meristems are somatic variants or bud sports, a small percentage of the whole and mainly disappointing as far as improvements are concerned. OIE88Jan-5 Read More

SPOT INFECTION: Bacterial Ailment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It is found on phalaenopsis especially, and on cattleyas; hyaline (glassy, transparent) spots or depressions are not systemic and can be stopped by keeping the foliage dry at night; avoid condensat... Read More

SPOTS, DOUGHNUT-LOOKING: On Phalaenopsis Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Likely the fungus disease anthracnose; remove the damaged leaves; spray with Fore (Dithane M45) at 1.5 ttpg.; dry leaves before night by use of a fan. A70-345 Read More