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

When was the leaf collected?

Between budsetting and veraison



What measurement need to be made?


Which leaf should you take?

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.