Plant Physiology
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Showing 1–15 of 35 results
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Plant Physiology
Potometer, Simple
A glass tube with stopper at both ends. The bottom stopper has a mm graduated capillary tube while the top has two holes one for a glass tube to accommodate plant shoot through a rubber tube and the other for a 2 ml syringe to adjust air bubble during the setting up.
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Plant Physiology
Potometer And Atmometer
For investigating transpiration. Measures the uptake of water by a cut plant shoot. The cut shoot may be replaced by a porous pot filled with water which enables measurement of the rate of evaporation from a moist surface, thus giving indication of relative humidity. Comprises a capillary tube with mm scale connected to a syringe and an outlet via a three way stopcock. The syringe enables adjustment of air bubble during set-up, the outlet is connected to the cut shoot or porous pot, mounted on strong vertical plate.
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Plant Physiology
Potometer, Ganongs
To demonstrate rates of transpiration and of water absorption by a cut shoot, with a graduated capillary tube bent down at right angle at one end with a small orifice and having water reservoir with glass stopcock and the end tube with rubber stopper for the plant shoot at the other end, on base.
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Plant Physiology
Microburette
For measuring and sampling gas given off by aquatic plants e.g Elodea. Comprises a bulb tube graduated 0 to 150 mm into which the cut end of the shoot is inserted. A 5 ml syringe is provided at top to draw gas collected in the burette for analysis. Overall height 300 mm.
