Descriptor: 018 Mature leaf: blistering of upper side (018 MATURE LEAF: BLISTERING OF)

Definition:

Observation from berry set to veraison. Blisters between the veins of ultimate order have to be assessed. Mean value of 10 mature leaves above the clusters at the medium third of shoot (N1-N3=main veins).

Crop:

Vitis, V.vinifera x

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

2003 Mendel Agricultural and Forestry University, Fac. of Horticulture

56 Accessions
2004 Mendel Agricultural and Forestry University, Fac. of Horticulture

21 Accessions
2005 Mendel Agricultural and Forestry University, Fac. of Horticulture (2)

17 Accessions
2006 Research Inst. of Crop Production Research Station of Viticulture

5 Accessions
2007 Mendel Agricultural and Forestry University, Fac. of Horticulture (2)

15 Accessions
2008 Mendel Agricultural and Forestry University, Fac. of Horticulture (2)

4 Accessions
2009 AMPELOS a.s.

2 Accessions
2009 Mendel Agricultural and Forestry University, Fac. of Horticulture (3)

9 Accessions
2010 Mendel Agricultural and Forestry University, Fac. of Horticulture (2)

15 Accessions
2011 Mendel Agricultural and Forestry University, Fac. of Horticulture (3)

15 Accessions
2012 AMPELOS a.s.

1 Accessions
2015 AMPELOS

2 Accessions
2015 Mendel University Brno, Faculty of Horticulture - Vitis

7 Accessions
2015 Research Inst. of Crop Production Research Station of Viticulture

2 Accessions
2016 Mendel University Brno, Faculty of Horticulture - Vitis

15 Accessions
2017 Mendel University Brno, Faculty of Horticulture - Vitis

14 Accessions
2018 Mendel University Brno, Faculty of Horticulture - Vitis

15 Accessions
2018 Research Inst. of Crop Production Research Station of Viticulture

1 Accessions
2019 Mendel University Brno, Faculty of Horticulture - VITIS

1 Accessions
2019 Mendel University Brno, Faculty of Horticulture_Flowers

14 Accessions
2020 Mendel University Brno, Faculty of Horticulture - VITIS

20 Accessions
2021 Mendel University Brno, Faculty of Horticulture - VITIS

17 Accessions
2022 Mendel University Brno, Faculty of Horticulture - VITIS

20 Accessions

Distribution of Values for 018 Mature leaf: blistering of upper side (018 MATURE LEAF: BLISTERING OF)

Code	Definition	Number of Accessions
1	absent or very weak (Rupestris du Lot, Garnacha Tinta B)	62
2	weak (Chrupka bílá B, Garganega B)	76
3	medium (Mueller-Thurgau B, Semillon B)	55
4	strong (Merlot N,Ryzlink rýnský B)	9
5	very strong (V. amurensis)	1