POT PLANT HOLDER (For use with Clinostat)

POT PLANT HOLDER  (For use with Clinostat)

•  A durable aluminium cylindrical vessel measuring 87mm and 100mm high designed to fit above a clinostat in place of the cork disc.
•  Holder accommodates any size or shape of pot up to Ø 75mm.
•  If damp moss or other suitable material is packed under and round the pot.
•  The plant may be secured in position by cords or rubber bands slipped under three small hooks fitted near the upper rolled edge of the holder.
•  For use with clinostat to alter the effects of gravitational pull on plant growth.
•  View other Clinostat options.

(Wikipedia excerpt:  .."...A potometer' (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration. The causes of water uptake are photosynthesis and transpiration.[1] The rate of transpiration can be estimated in two ways: Indirectly - by measuring the distance the water level drops in the graduated tube over a measured length of time. It is assumed that this is due to the cutting taking in water which in turn is necessary to replace an equal volume of water lost by transpiration.

Directly - by measuring the reduction in mass of the potometer over a period of time. Here it is assumed that any loss in mass is due to transpiration. There are two main types of potometers: the bubble potometer (as detailed below), and the mass potometer. The mass potometer consists of a plant with its root submerged in a beaker. This beaker is then placed on a digital balance; readings can be made to determine the amount of water lost by the plant...").

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