Newly Posted Articles

GROWTH: Poor Rate

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many things can contribute to poor growth; check the root system for damage and correct it by esing a more open mix and/or by means of a larger pot; check the light, the potting mix, the water qual... Read More

GROWTHS, NEW: Cattleyas Infected with Pythium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control it with a fan and sprayings with Truban after cutting out the infected parts, A80-960 Read More

GROWTHS, NEW: Diminished Size

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In cattleyas this condition is a result of insufficient light. A86-1252 Read More

CYMBIDIUMS: Buds Open with Brownish Spots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If growing outside the buds may have been blown about by wind and rain and brushed up against leaves, etc.; hail is another possible cause; damaged cells are also prone to attack by fungi. A83-1074 Read More

WOOD: Pieces of Wood for Mounting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago How to clean it is to strip the moss off the wood, spray it with Cygon 2E, Diazinon or Malathion, and then use it. A77-449 Read More

ODONTOGLOSSUMS: Hard-bulbed Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most of them need a rest; the harder the bulb the longer the rest; they come from Mexico, Guatemala, Honduras; include O. bictoniense, citrosmum, cordatum, grande (Rossioglossum), JLaeve, pulchellu... Read More

ODONTOGLOSSUMS: Propagation by Backbulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is a difficult process; try severing the backbulbs, making one cut between them and the forward group about a year before the plant is actually divided. A57-788 Read More

ODONTOGLOSSUMS: Propagation by Pseudobulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use two or three as a unit to be successful; dust the cut with sulphur or a sealing compound; place in plastic bag with damp sphagnum until roots show. AU76-76 Read More

ODONTOGLOSSUMS: Repotting Time

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contrary to the general rule and practice, the best time to repot is in September. OR75-44Do it only when new growth is three to six inches high, which is when the hew root system becomes active; t... Read More

ODONTOGLOSSUMS: Splitting Pseudobulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When the outer layers of the bulb mature prematurely, cracks suddenly appear and clear, gummy fluid exudes; this can arise from excess of sunshine or/and a surfeit of potash. OR76-184 Read More