Descriptor: 020 Mature leaf: degree of petiole sinus opening (020 MATURE LEAF: DEGREE OF PET)



 
Definition:
Observation from berry set to veraison. Mean value of 10 mature leaves above the clusters at the medium third of shoot. Leaf must be flattend for notation.
Crop:
Vitis vinifera L.
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
AMPELOS a.s. Viticulture Research Station (CZE005)

Distribution of Values for 020 Mature leaf: degree of petiole sinus opening (020 MATURE LEAF: DEGREE OF PET)

CodeDefinitionNumber of Accessions
1very vide open (Rupestris du Lot, 110 Richter)9
2open (V. riparia, Aramon N)145
3slightly (Sauvignon B, Merlot N)149
4open slightly overlapping (Chrupka bílá B, Cabernet Franc N, Semillon B)96
5overlapping (Ryzlink rýnský B, Cabernet Sauvignon B)39
6strongly overlapping (Tramín červený RG, Clairette B, Marsanne B)4