Category: Orchid Doctor

CYMBIDIUMS: In Tennessee, Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Outdoors in summer apply three-quarters of a lb. of 20-20-20 or 20-10-10 fertilizer per 100 gals, as a liberal dose instead of every 2nd or 3rd watering; indoors in winter they can be grown with ca... Read More

CYMBIDIUMS: Induced Polyploids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Tetraploids induced from diploids will revolution- ize the cymbidium industry, is claim. W9-63 Read More

CYMBIDIUMS: Intergeneric Crosses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Hybrids have been made and documented with such genera as Eulophiella, Bifrenaria, Maxillaria, Zygopetalum; for illus. refer to A87-130 Read More

CYMBIDIUMS: Keeping-quality Tests

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For classifications of keeping-quality of four groups of cymbidiums totalling 102 standards and 50 miniatures, both for single flowers and spikes in water alone, or water with a preserver; re- fer ... Read More

CYMBIDIUMS: Leaves Folding Over

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Flopping of leaves is caused by lack of light. A86-479 Read More

CYMBIDIUMS: Mutations in Meristem Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Occasionally one occurs which produces a non-blooming strain, accompanied by an easily recognized grassy type of growth. OA83-114 Read More

CYMBIDIUMS: Natural Weather Conditions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Meteorological data of Kalimpong, foothills of Himalayas, at 4,000 ft. altitude, latitude 27 deg.N. for each month; max. and min. temperatures; rainfall, etc.; January min, temp, is 45.9 deg.F.; Ju... Read More

CYMBIDIUMS: New Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago What develops in the fall gives the best spike production; amend the E.C. from August to October; after flowering, if new growth lags temporarily increase the nitrogen in February. OA87-162 Read More

CYMBIDIUMS: Night Water Sprays

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago From July 1 on, water sprays will help produce temperature differential to make the plants spike. OD76-122 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