Descriptor: 064 Degree of winterhardiness of primary buds (064 DEGREE OF WINTERHARDINESS )

Definition:

Determ.accord.percentage of bursted in spring in vineyard on 10 vines, all buds on 1 one year-old shoot(which remained on vines after pruning)from each vine no less them 10 buds,total about 100 buds.Rootscock grape vine var.are not eval.for winterhar

Crop:

Vitis vinifera L.

Category:

Biology 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 AMPELOS a.s.

27 Accessions
2006 AMPELOS a.s.

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

11 Accessions
2009 AMPELOS a.s.

12 Accessions
2012 AMPELOS a.s.

30 Accessions
2012 Research Inst. of Crop Production Research Station of Viticulture

32 Accessions
2015 AMPELOS, ŠSV ZNOJMO

27 Accessions
2018 AMPELOS, ŠSV ZNOJMO, s.r.o.

31 Accessions
2021 AMPELOS, SSV ZNOJMO, s.r.o.

31 Accessions
2021 Research Inst. of Crop Production Research Station of Viticulture

31 Accessions

Distribution of Values for 064 Degree of winterhardiness of primary buds (064 DEGREE OF WINTERHARDINESS )

Code	Definition	Number of Accessions
1	very low killed 80 and more % of buds	3
3	low killed 60-79 % buds	28
5	medium killed 40-59 % buds	112
7	high killed 20-39 % buds	77
9	very high killed less than 20 % of buds	26