Leaf matcher
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By making a few simple measurements, and then using the following search application, you can check whether a grapevine leaf belongs to a variety we have in our collection. Look at the next figure and follow these simple steps
1- Using a protractor, measure angle A just as shown in the figure, and put the answer in the search engine’s first field.
2- Now, using a ruler, measure L, S1d and L1d, and put the data (in cm) into the corresponding fields.
3- Press ‘search’ , and you will be given a list of varieties that match your measurements.