Category: Orchid Doctor

EMBRYOS: In Phalaenopsis Pods

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are mature enough in three months to be cultured. A73-709 Read More

EMULSIFIABLE CONCENTRATES (EC): Pesticides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An oil based solvent is the carrier with an emulsifier so oil and pesticide will mix with water; they adhere to foliage well and provide longer residual action but are more phytotoxic than powders.... Read More

ENCYCLIA MARIAE: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As for cattleyas; potting medium recommended is osmunda, or 65% fir bark, 20% German peat moss (coarse) and 15% redwood bark fiber. A72-905 Read More

ENDANGERED SPECIES: Legislation and the Facts

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Anomalies and contradictions in the CITES convention to protect animal and plant species; refer to A83-15 Read More

ENDANGERED SPECIES: Listed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are Cattleya skinneri, C. trianae, Didiciea cunninghamii, Laelia jongheana, L. lobata, Lycaste virginalis var. alba, Peristeria elata; all others considered vulnerable. OR-78-45; in some count... Read More

ENDANGERED SPECIES: Regulation of Trade In

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The CITES agreement with full explanation, documents, statistics of international trade; refer to A81-959 Read More

ENDANGERED SPECIES: Trading Permits Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Those who import or export orchids, as named on the lists with the Endangered Species Act, or Convention on International Trade in Endangered Species of Wild Fauna and Flora, need a General Permit ... Read More

ENDEMICITY: And Disappearance of Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most of those that have so far disappeared were endemic to a small area, about a 15 square-mile patch of habitat. J.A.Fowlie M.D., corres. 1985 Read More

ENVIRONMENTS: Natural

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The more unstable they are in nature the less variable are the clones of a species and conversely the wider a species is spread in several environments and the more stable the environments are, the... 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