Identifiers

Accession number:

GEN033

Accession name:

Zoete Kroon; Zoete Kroon; Winterkroon; Zoete Groninger Kroon

Crop (and subcrop type):

apple (Sweet apple)

Population type:

Wild

SMTA status

SMTA needed:

Yes

Classification

Genus:

Malus

Species:

domestica

Sub-taxon:

Origin information

Collecting number:

Country of origin:

Netherlands

Collection site:

Groningen, Noordbroek

Latitude / Longitude:

53.19 / 6.71, uncertainty 47515 meter

Altitude (m):

Collecting date:

1870----

Donor institute:

Hoveniersbedrijf Boven, Oostwold (Oldambt), Netherlands

Donor number:

Other numbers:

Origin address:

Origin type:

Backyard

Other information

DOI:

10.18730/109H*
https://doi.org/10.18730/109H*

Highlight:

Variety verified in 2017 by group of Dutch pomologists and SNP analysis 2021

Additional passport information:

Found by S.H. Brouwer in Van der Molen-Stelmaker's garden around 1870, named after his wife Jantje Kroon and commercialised 20 years later, sweet apple

Botanic name given by institute:

Zoete Winterkroon

Observations

Tree characteristics

35 - 40

moderate

>90

15 - 20

moderate

extreme

buds/spurs density

moderate

extreme

general tree architecture

acceptable

excellent

Fruit characteristics

65 - 85

interm.conical

very soft

yellow

(red)purple

fruit over color perc.

61 - 75

skin thickness

medium

ripeness

over ripe

Taste characteristics

sugar content

>15

acid/sugar ratio

slightly sweet

taste

poor

Agronomical characteristics

fruit drop perc.

40 - 50

fruit yield

5 - 10

Diseases

apple powdery mildew

susceptible

probably resistant

apple scab

susceptible

probably resistant

apple canker

susceptible

possibly resistant

Pictures

The following pictures are available for this accession.

46 architecture(Randwijk 2012).JPG

46 different sides of fruits Zoete Winterkroon 2 Proefveld Nijkerkerweg, Flevopolder between 1980 and 1990.jpg

46 different sides of fruits Zoete Winterkroon 3 Proefveld Nijkerkerweg, Flevopolder between 1980 and 1990.jpg

46 different sides of fruits Zoete Winterkroon Proefveld Nijkerkerweg, Flevopolder between 1980 and 1990.jpg

46 fruit(Randwijk 2012).JPG

46 fruit1(Randwijk 2012).JPG

46 fruit2(Randwijk 2012).JPG

46 fruit3(Randwijk 2012).JPG

46 fruits.jpg