Transpiration: The natural process of water loss from the surfaces of leaves and plant stems.
4. Transpiration: The process by which a plant loses water, primarily through pores (stomata) in the foliage. 90% of the water that enters the plant escapes in transpiration. The other 10% is used in chemical reactions and in plant tissues.
Transpiration - Transpiration is the process of water loss from trees and plants through stomata. Transpiration occurs when stomata open in a humid surrounding and close when it is dry.
Bonsai Glossary: transpiration - The natural process of water loss from the surfaces of leaves and plant stems.
Bonsai Glossary: tufa rock - A type of soft limestone rock, easily carved and ideal for rock plantings.
12) Hot pepper wax - which is sprayed to prevent transpiration - is another remedy which smothers the adults on the leaves, but does not kill the eggs so be prepared to repeat applications every 4 or five days until control is established.
loss through the processes of transpiration. Transpiration will have a negative
effect on your bonsai's ability to retain water and remain healthy.
How Can Humidity Be Improved?
(fig 15 ) Wilt Pruf is a product that prevents the transpiration of water from the needles of the tree. The theory being if we can hold water in the treetop until roots are growing we can help the tree survive.
Excess water is then lost to the atmosphere through transpiration. The rate of transpiration is regulated by stomata little window like cells which closes and opens in response to temperature and carbon build up in the leaf.
When a tree suffers from a disruption of balance in its water-absorbing and moisture-transpiration abilities, its leaves face trouble in the tissues to bring about such a phenomenon.
People are conditioned to believe all the plants transpiration takes place in the leaves, but if that was true, how would a plant that was totally cut down spring back from the roots?
Wind Wind will increase transpiration and decrease the watering interval. Strong winds, under even moderate temperatures, can very quickly dry out a plant. Some plants are much more vulnerable than others.
In these cases particular attention must be paid to the transpiration/ root capacity equation. That is, the roots are responsible for supplying the plant with moisture and minerals, not carbohydrates during the growing season.
If the temperature of above-ground tissues rises substantially and the soil water remains frozen (as can occur in many greenhouses), transpiration of water can occur from the shoots.
Position all trees together out of the wind and direct afternoon sun (both of which can cause excess transpiration and moisture loss), collect all trees together (especially useful if a neighbour is doing the watering; ...
On hot, dry, and windy days, transpiration (evaporation) of water is more rapid from the narrow lobes of the leaves than from the broad interior of the leaf.
Leaves are also the sites in most plants where transpiration and guttation take place. Leaves can store food and water, and are modified in some plants for other purposes. The comparable structures of ferns are correctly referred to as fronds.
Wetting the leaves lowers the immediate temperature and refreshes and cools down the leaves, thus lowering transpiration (in much the same way that humans perspire).
 See also: Bonsai, Root, Plant, Species, Tree
  
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