The Libreto variety is recorded in official European registers as an onion hybrid permitted for circulation in a number of countries, including Bulgaria. The name appears in official lists of vegetable crop varieties.
Open publications lack data on maturity group, yield, disease resistance, and other detailed characteristics of this hybrid. Information on breeding origin and parental lines is also not provided.
Sources5
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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.
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed.
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