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The Effect of Elevated CO2 on Tobacco
Hornworm Herbivory
Protocol: Measuring Leaf Area
If you have a leaf area meter, this is the simplest way
to make the measurement. Follow the instructions which come
with the instrument.
If you do not have a leaf area meter, you can photocopy
the leaves, keeping them as flat as possible. After
photocopying, cut the leaf shapes out of the paper carefully
and precisely. Weigh the paper leaves to get an idea of
relative leaf area. If you would like to convert back to an
area measurement, such as square centimeters, from your
weight measurement, weigh a known area of paper (such as one
square centimeter), and use that value to make your
conversions.
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