Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
If roots show brown areas on the exposed ones it is because of too low humidity, A75-876
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ROOTS: Structure
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Roots are made of a central core consisting of a number of tough tubes wound together, which pass food in liquid form from the root tip to the leaf cell and back again; the soft tissues, velamen, s...
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ROOTS: Tips Being Eaten Away
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
This is caused by sowbugs or snails more likely the latter; use Zectran 25%WP as a spray at 3 tpg. A75-192
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ROOTS: Tips Eaten Away
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Look for bush snails in the early morning; look for Australian cockroaches carefully at night with a flash light; control the snails with metaldehyde spray; control cockroaches with Diazinon 25XWP ...
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ROOTS: Tips Eaten Off
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
It is not likely sowbugs but bush snails that do the damage. A75-192
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ROOTS: Treatment When Repotting
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Do not severely cut back healthy old roots because they continue to function and provide physical anchorage. F80-20
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ROOTS: Wandering Over the Edge of the Pot
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Take a clean knife and cut the roots flush around the edge to stimulate the growth of new ones into the medium. OD79-162
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ROT: Best Control
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
For paphiopedilums, the basic prevention or remedy is air movement; the fan should be blowing directly on the plants to keep things stirred up. OD70-134
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ROT: Control
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
By use of preventive surgery: when water and debris collect in newly opened leaves (outside in Florida) and a combination of high temperature and heavy rainfall lead to rot starting, preventive dra...
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ROT: Most Destructive of the Orchid Diseases
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Phytophora cactorum; Pythium ultimum, Pseudomonas cattleyae, Rhizoctonia solani, and Fusarium oxysporum fma. cattleyae; refer to AH15; refer to BU
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