Newly Posted Articles

POLLINATION: Of Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 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 over 9 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 over 9 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 over 9 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 over 9 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 over 9 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 over 9 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 over 9 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 over 9 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 over 9 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