Newly Posted Articles

WATERING: Never in the Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A cultural practice used to achieve plump and large pseudobulbs with dark green foliage showing no excess light or feeding damage on a particular odontoglossum was achieved by spraying only and mai... Read More

WATERING: When and How to Water

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Comments on under-watering and over-watering, factors determining water demand by the plants; for many details refer to A81-945 Read More

WEAK PLANTS: Aborting the Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago By removing the sheath and buds, strength will be thrown back into the plant to provide better quality next year. OD79-162 Read More

WEED CONTROL: In Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In places like Florida weeds can flourish in the greenhouse; hand pulling is slow; use Telvar at 1/2 tpg in pots on mature epiphytes only. B51+ Read More

BOOKS: Recommended as Best General References for Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 1. Roy. Hort. Soc. Dictionary of gardening. (4 v.,1951; lists 3,216 species) the best place to start; 2. A.D.Hawkes' Encyclopaedia of cultivated orchids . (1965; has only 2,192 species, plus a lot ... Read More

TOBACCO: As Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cigarette butts were collected, stripped of paper and the tobacco was placed in water approximately 12 butts to a gallon and was sprayed on orchids to combat aphids, mealy bugs, scale; apparently i... Read More

WEED CONTROL: On Greenhouse Floors

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Spray with Simazine 80W, or Telvar, or borax. A67-799+; A71-609 Read More

WATERING TIMING: Night Watering, or Late in the Day

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For odontoglossums during the summer, watering can be done at night without detriment to the plants AU76-75; for cymbidiums watering is best done at dusk during the summer to facilitate cooling and... Read More

WHEELER COLLECTION: And Thanhauser Collection Combined

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleya conservation program; provides a complete range of the cattleya family and its relatives valued at over $400,000; useful for research especially in natural hybrid investigation; refer to A... Read More

WHEELER COLLECTION: The Orchid Collection and Species Bank

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago At Ball State University, Muncie Indiana; aims and description; refer to Ca82(7)-16 Read More