Category: Orchid Doctor

DENDROBIUMS: Breeding with Amphidiploids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Species and hybrids with doubled chromosomes in the sections Phalaenanthe and Cerotobium are the backbone of the cut flower industry in Hawaii; standards, objectives, methods; refer to Wll-220 Read More

DENDROBIUMS: Fertilizers for Floriferousness

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use those which are higher in phosphorous and potassium such as Fenarco 4-7-11, Peter1s Bloom Special 10-30-20, or Miracle Grow 10-15-10. A86-1113 Read More

DENDROBIUMS: Fertilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments prove it is beneficial for both growth and flowering; best results come from applying ratios of 3-3-2 or 5-5-2; for much detail refer to W9-75-(D. pompadour types) Read More

DENDROBIUMS: Fertilizing During Rest Period

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Those that need a rest should be given neither water or fertilizer at that time. A81-122 Read More

DENDROBIUMS: Flower Stems Can Be Cut

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago But unlike phalaenopsis, they are not likely to produce a secondary stem. A82-122 Read More

DENDROBIUMS: Leaf Loss

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many of them are deciduous each year in winter; it is caused mainly by day length and the need for less light and water. F86-13 Read More

DENDROBIUMS: Medias

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Those from Thailand do best in a sphagnum-bark mix, or pure sphagnum because of their need for moisture; others used are a very coarse bark and polystyrene mix, or, even in a fine river grit alone.... Read More

DENDROBIUMS: To Start Flower Nodes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In softcane types spray Di-hydrogen Orthophosphate two, three times at fortnightly intervals at 1/2 tpg. AU85(3)-35 Read More

DENDROPHYLAX: Problem Genus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Give them light at 1800 to 2400 fc, humidity at 40 to 60%, minimum night temperature of 65 dF and water weekly at least. A86-383 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