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agronom.cc cultivar database

Variety traits

Apple Ripening Groups

Malus domestica (Suckow) Borkh.

Classification of apple varieties based on fruit ripening periods, which determines harvesting and storage strategies. It is based on chronological indicators and physicochemical fruit parameters.

In the reference 890 varieties crop Apple, where this is mentioned in the description.

In pomology, apple trees are divided into three groups: summer varieties reach consumer maturity in July–August, autumn varieties in September–October, and winter varieties in late September or later. The winter group is further subdivided into early-winter, mid-winter, and late-winter varieties depending on their storage potential.

Determining a variety's ripening group is based on a comprehensive assessment of chronological indicators, such as the sum of active temperatures and the period from flowering to harvest, as well as physiological and chemical methods. The latter include the starch-iodine test for starch breakdown, measuring flesh firmness with a penetrometer, determining soluble solids content with a refractometer, and calculating the sugar-acid ratio.

The ripening group critically influences agrotechnology and harvest organization. Summer varieties must be harvested strictly during the maturity period to preserve flavor, while winter varieties require strict adherence to optimal harvest maturity dates to ensure long-term storage potential of up to 200 days or more.

General information about the subject — on the page Maturity group.

Sources8

Varieties of Apple mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Aura

Active

Malus domestica (Suckow) Borkh. · Apple

RO
2 records

Api

Active

Malus domestica (Suckow) Borkh. · Apple

FR
3 records

Zouk 55

Application submitted

Malus domestica (Suckow) Borkh. · Apple

Zouk B.V.

1 record

Yduns æble

Active

Malus domestica (Suckow) Borkh. · Apple

1 record

Vnuchka

Terminated

Malus domestica (Suckow) Borkh. · Apple

Homeniuk Svitlana Viktorivna, Chupryniuk Viktor IAkovych,

UA
2 records

Udacha

Terminated

Malus domestica (Suckow) Borkh. · Apple

Klymenko Svitlana Valentynivna, Honcharovska Inna Valeriivna, Tereshcenko Tamara Petrivna, Kuznetsov Volodymyr Viktorovych,

UA
2 records

Red Elstar Goedhof

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

NL
1 record

Nikangie

Active

Malus domestica (Suckow) Borkh. · Apple

Alfeo Agosti

2 records

JORAYCA

Terminated

Malus domestica (Suckow) Borkh. · Apple

BILSEN MARC & RIK*

BE
1 record

Jonabres Red

Terminated

Malus domestica (Suckow) Borkh. · Apple

MANNEKE N.M. MANNEKE A.M.

2 records

GS 662

Active

Malus domestica (Suckow) Borkh. · Apple

Gerhard Sundermeyer

DE
1 record

Flamba

Active

Malus domestica (Suckow) Borkh. · Apple

STATION FEDERALE RAC

1 record

Estelle

Application submitted

Malus domestica (Suckow) Borkh. · Apple

Dr. Franz Ruess LVWO Weinsberg

DE
1 record

Early Szampion

Active

Malus domestica (Suckow) Borkh. · Apple

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
2 records

Douce de l avant

Active

Malus domestica (Suckow) Borkh. · Apple

Institut Francais des Productions Cidricoles (FR)/Institut National de la Recherche Agronomique (FR)

FR
1 record

CIVNIRED B

Terminated

Malus domestica (Suckow) Borkh. · Apple

Michelangelo Leis^^^Alessio Martinelli^^^Silvia Salvi^^^Francesco Tagliani

2 records

Braeburn Fenbra

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

NL
2 records

Berleps

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

NL
1 record

Bay 3663

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

Michael Neumüller

2 records

Zimneje

Active

Malus domestica (Suckow) Borkh. · Apple

1 record