Descriptor: 023 Mature leaf: naked petiole sinus (023 MATURE LEAF: NAKED PETIOLE)



 
Definition:
Observation from berry set to veraison. Notation of 10 mature leaves above the clusters at the medium third of shoot. Notation 2 and : Occurence once or more on ten leaves (at least 10 %).
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 023 Mature leaf: naked petiole sinus (023 MATURE LEAF: NAKED PETIOLE)

CodeDefinitionNumber of Accessions
1none (Chrupka bílá B)375
2occurence on one side of petiole sinus (Mueller-Thurgau B, Cabernet Sauvignon N)39
3occurence on both sides of petiole sinus (Chardonnay B, Primitivo N)19