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Castanea sativa Mill. Sweet chestnut · Fruit crops

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Variety description

10 August 2026

The variety is a local cultivar grown in the northeast of Portugal. It is not the result of new hybrid breeding and belongs to regional genetic resources.

The fruits of the variety are characterized by a consistently high content of linoleic acid. Studies of the fruit composition include an analysis of amino acid and phenolic compound content, as well as an examination of the effect of various thermal processing methods on their characteristics.

Physiological studies determined the optimal temperature for photosynthesis for this variety, which is approximately 22 °C, indicating adaptation to the climatic conditions of the region of origin.

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Countries of admission

1 jurisdiction

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

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Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Applicant: Universidade Trás-os Montes e Alto Douro Submitted the application to the register

Records are sourced from official registry publications. Data sources and legal status

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