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Are there more stomata per mm2 on old leaves or young leaves?
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Are there more stomata per mm2 on old leaves or young leaves? Planning Equipment Leaves (old and young) Clear nail-varnish Microscope Lamp Forceps Slide Graticule (1cm) Method I will take some old leaves and some young leaves. I aim to use three of each. I think this is a realistic amount to use because it is a slow process. The leaves I will use will be from a cherry laurel bush (prunus laurocerasus). I will know which leaves are young and which are old by their colour and size. Young leaves are small and a lighter green. Old leaves are larger, and a darker green. First, I will clean the leaf, to remove dust and dirt. Then I will paint 1cm2 of clear nail-varnish on the underside of the leaf, because that is where the stomata are. I will paint the nail-varnish to one side of the mid-rib, but not too near the edge. I will then leave it to...
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