Category: Orchid Doctor

RESPIRATORS: Benefits in Using

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They may act as both a mechanical barrier to stop spray inhalation and as a chemical barrier to gas inhalation; use gloves with such chemicals as Zectran and Guthion and direct the spray away from ... Read More

REST PERIOD: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When the season's growth is made up in late fall and pseudobulbs are mature, many plants go into a rest period lasting until growth starts again in the spring; genera with species which rest includ... Read More

REST PERIOD: Necessity for

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The idea that all orchids need a rest period is a fallacy; not necessary for many modern hybrids; a good practice is to water all plants with good green leaves. A68-431 Read More

REST PERIOD: Not Necessary for Plants Growing Under Optimum Conditions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago With few exceptions (such as the deciduous dendrobiums) the generalization about the necessity for a rest period is questionable; proper feeding and climate should bring frequent flowerings not inj... Read More

REST: "semi-dry" Rest

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Is it possible to describe "semi-dry" water?; or is this an obfuscation for a type of rest period complete with light spraying with water to keep the pseudobulbs from shrivelling?; plus the rebutta... Read More

REST: For Dendrobiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As exemplified by D.Gatton Sunray, after growth is comple ted in the Fall, allow the plant to dry for four or six weeks then give it a good soaking; if shrivelling of canes does occur in the meanti... Read More

REST: Is it Necessary?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many orchids experience definite wet and dry periods in their native haunts but it is not necessarily the best way to treat them under cultivation; pseudobulbs from wet/dry areas can be tripled in ... Read More

RESTING PERIOD: Defined

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When the lead growth is mature, water and fertilizer can be withheld until the new growth or inflorescences show themselves. A87-733; for Catasetum expansum a rest period may last four months, unti... Read More

RESTREPIAS: Propagation From Leaf Cuttings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An unusual method is successful; cut the flowered leaves with a two inch stem and plant it stems fully covered in treefern/peat mixture, or peat only, keep the moisture level and the humidity high ... Read More

RESUPINATION: Flower Position

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The significance of the various degrees of twisting that flowers undergo; the lip as a landing platform for most pollinators; refer to OD85-99 Read More