Newly Posted Articles

POLLINATION: Of Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Surprisingly, few observations of natural pollination have ever been made; some hypotheses based on observations of syrphid flies in Florida presented; refer to A82-1057 Read More

CYMBIDIUMS: Grown Outside

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago If grown too cold too long and brought in to a warm area after spikes have formed, flowers will not develop properly. RMH Read More

PHOTOTROPISM: Its Importance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago It is not so important for orchids as it is for other plants requiring high light intensity; give them good exposure to optimum light levels. A67-811When a plant is moved in the greenhouse or under... Read More

OVERCROWDING: Defined

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago If pots are closer together than the diameter of one of the pots, they are overcrowded and deprived of light, air circulation which constitute the mos t common form of cultural "suicide". AU79-37 Read More

CHYSIS: Broad Leaves Have Infection with Tan Moist Lesions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago The lesions are not controlled by Natriphene or Physan; use Benlate 1 ttpg. as drench over everything; or, Banrot 2 ttpg. in same way. A76-206 Read More

PAPHIOPEDILUMS: Stems Are Too Short

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago They are grown under too much light. A76-206 Read More

CYMBIDIUMS: Trace Elements Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Main ones are iron, magnesium, molybdenum, and boron. A88-11 Read More

CROWN ROT: Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Use Physan 20 or Natriphene; crown rot is not controlled by Benlate. A77-209 Read More

HEATING CABLES: Use for

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Try growing mature Doritaenopsis and Phalaenopsis in the greenhouse on one for better performance; it should be linked to a thermostat control. OIE85Jy-15; RMH Read More

MOUNTS: Wooden, for Mounting Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Prepare the piece by cleaning the branch; spray with Cygon 2E, Diazinon or Malathion; leave to dry before attaching plant. A77-449 Read More