Category: Orchid Doctor

ROOTLESS PLANTS: How to Treat Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Place them on a bed of living moss and lightly cover their bases with the moss, then spray them lightly with water and keep the temperature in the 70's F. (21 to 26 dC), keep the air in constant mo... Read More

ROOTS: Activity in Summer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In July root activity usually slows down and the plants require less water which is contrary to common belief; in late Augus t new activity occurs and fresh roots can appear. OR81-214 Read More

ROOTS: Aerial

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They appear on miniature cymbidiums being summered outdoors; if grown in small or open-sided containers, roots will develop outside the container, especially if they are benched close together; try... Read More

ROOTS: Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The aerial roots turn brown and wither while others turn black where they touch the bark; the water supply may have been softened with a chemical, particularly sodium. A75-618 Read More

ROOTS: Cattleyas and Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Their tips on the surface of the medium rot off; the plants should be leached several times with water within thirty minutes, then fertilized with f tpg of 30-10-10. A80-850 Read More

ROOTS: Cattleyas Growing Out of the Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They can be cut off with a sterile knife so that they branch out again inside the pot; roots from the old rhizome should not be cut. OR81-143 Read More

ROOTS: Dying of Mycelium in the Center of the Larger Pots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The cure is to drench them with lttpg of Benlate together with 1 tpg. of Truban, or lttpg. of Banrot. (RMH) Read More

ROOTS: Growth Is Very Poor

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Paphiopedilums under lights normally make small roots and need little fertilizer; in bark media formulas such as 20-20-20 or 23-19-17 are not appropriate; use 30-10-10 or 20-10-10. A76-115 Read More

ROOTS: Growth Stimulants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One of the most common root-promoting substances is indole acetic acid, but it is used mainly to stimulate rooting of cuttings. A62-1009 Read More

ROOTS: In Flasks

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They grow above the medium where there is not enough oxygen getting into the flask. A79-455 Read More