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
Budsetting
Veraison
Which leaf should you take?
What measurement need to be made?
- 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.
Address:
Misión Biológica de Galicia (CSIC)
Carballeira 8
36143 Salcedo, Pontevedra
Spain
Telephone:
(+34) 986 854 800 (Ext. 294)
Fax:
(+34) 986 841 362
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