Descriptor: 025 Mature leaf: density of prostrate hairs between the main veins (lower side) (025 MATURE LEAF: DENSITY OF PR)

Definition:

Observation on dried leaves under a disection scope. Evaluation on the entire lower leaf surface. Notation of 10 mature leaves above the clusters at the medium third of shoot.

Crop:

Vitis vinifera L.

Category:

Morphological descriptors

Status:

Crop Germplasm Committee approved

Data Type:

Alpha/numeric descriptor

Maximum Length:

Responsible Site:

AMPELOS a.s. Viticulture Research Station (CZE005)

Studies or environments

Distribution of Values for 025 Mature leaf: density of prostrate hairs between the main veins (lower side) (025 MATURE LEAF: DENSITY OF PR)

Code	Definition	Number of Accessions
1	none or very weak (Chrupka bílá B, Garnacha Tinta N, Dattier de Beyrouth B)	166
3	weak (Chardonay B, Gamay N, Muscat á petits grains B)	117
5	medium (Cabernet Sauvignon N, Merlot N, Alphonse Lavallée N, Kreaca B)	82
7	dense (Furmint B, Chaouch Blanc B, Tempranillo N, Barbera N)	33
9	very dense (Isabella N, Concord N)	4