Category: Orchid Doctor

CHROMOSOME NUMBERS: For Species and Hybrids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a most comprehensive listing, refer to OBIII-323 Read More

CHROMOSOME NUMBERS: Importance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are significant for cymbidiums, but not for others such as paphiopedilums, for breeding purposes. OA78-17 Read More

CHROMOSOMES: Changes in 1987

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A review of recent events and efforts to conserve wild orchids; improvements in the face of rapacious exploitation suggested, refer to A88-31 Read More

CHROMOSOMES: Failure

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The Convention qualifies as the biggest fraud as applied to plants since Prohibition in the U.S.; it has probably killed more plants than it has saved; originally written for protection of animals,... Read More

CHROMOSOMES: Is it Effective?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The greatest threats are Japan, Belgium and Holland which have not signed the treaty; until they ratify it they will remain the worst importers of wild species. OA86-64 Read More

CHROMOSOMES: Pros and Cons

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An argument against its policies or provisions and stating the program needs to be re-evaluated; refer to A88-30 Read More

CHROMOSOMES: Variation in Numbers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A review; change and polyploidy; polyploidy and improvements in plants, other information, refer to OR81-169; OR82-368; OR87-139 Read More

CHYSIS: Broad Leaves Have Infection with Tan Moist Lesions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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

CIRCULAR GROWTH: Of Rhizomes in a Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Can be achieved by breaking off an eye consistently on one side. ODA71-72 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More