Category: Orchid Doctor

TOBACCO MOSAIC VIRUS: Orchid, or 0 Type

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In cattleyas and phalenopsis it can exist without symptoms, or with a slight yellowing or streaking of the leaves; no symptoms in the flowers; in combination with other virus it causes blossom brow... Read More

TOBACCO: As Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

TOBACCO: Smoking

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Smoke from a cigarette cannot transmit virus, the question is whether contact of the hand to cigarette tobacco then back to plant transmits live virus. A67-234 Read More

TOBACCO: Smoking in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Avoid discarding cigarette butts because they carry Tobacco Mosaic Virus which infects orchids. OD67-50 Read More

TODEA: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A fern of the osmunda family; in Australia it was a good medium if handled properly; used before the advent of barks, etc. AU79-198 Read More

TODEA: Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A fern native to New Zealand, identical in appearance to osmunda; it is now protected. A75-713 Read More

TORCHES, GAS: For Steriliz Ing Ins Truments

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Several kinds are on the market which are self-igniting on pressing a button which starts the flame, like a cigarette lighter; they are convenient and save fuel. OIE86Jy-6; -87Non-17 Read More

TOXIC ELEMENTS: They Can Start as Beneficial Ones

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago At higher levels many become toxic: nitrogen, potassium, magnesium, iron, zincc and boron; for instance, excess of potassium has been isolated as the potential cause of growth retardation, particul... Read More

TRACE ELEMENTS: Added

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Fish fertilizer or seaweed can furnish them and can be applied in addition to a regular fertilizer. OIE86JY-10 Read More

TRACE ELEMENTS: Added to a 20-20-20 Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are not necessary as special additives; minor elements probably are present in the fertilizer itself, or in the water supply or in the tree-fern medium being used. A67-1010 Read More