Category: Orchid Doctor

SCALE: Hard to Get Rid of

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Cygon 2E at 2tpg. applied when the temperature is below 70 dF; clean off the dried sheaths from the pseudobulbs first. A82-248 Read More

SCALE: On a Single Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control can be achieved by first scraping them off and then swabbing with methanol. A82-248 Read More

SCALE: On Vandaceous Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Orthene Tree & Ornamental spray which is a soluble powder, at two tablespoons to three gallons of water; or, Malathion at one tpg,, and at several intervals. A85-817 Read More

SCALE: Types, Damage and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Possibly the most common orchid pest, whi ch because its size, numbe rs and habi ts are conspicuous; they attach themselves to the plant and suck the juices; some are believed to exude a toxic and ... Read More

SCLEROTIUM ROLFSII: Fungus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A fungus parasitic particularly on the underground parts of the plant. OD65-12 Read More

SCORIA: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Lava rock, or pumice or basalt, etc. RMH Read More

SCORIA: Lightweight Form of Basalt

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Has a porous structure which holds both air and water in balanced proportions; can be used alone for some species, with fertilizer; with fine materials it may waterlog; holds nutrients in an availa... Read More

SCREEN: A Sifter for Perlite

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The fines should be sifted out of it but it is difficult to find hardware cloth of one-eighth inch size; the best is a plastic window-screen or netting which works well. RMH; A83-1304 Read More

SEAWEED: As Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Trials with washed seaweed such as green east coast lettuce, brown algae fucus, as an organic fertilizer over bark and tree fern have brought good results; liquid seaweed fertilizers are easier to ... Read More

SEAWEED: Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Is a favourite of some growers because it has a good complement of trace elements. OIE86Jy-10; in England seaweed derivatives are used by many growers because they supply both major and minor nutri... Read More