The lettuce variety Constance, registered under the breeding number 85-33 RZ, is a crop included in variety trial registers. Detailed morphological characteristics of the plant, including maturity parameters and height, are absent in available technical publications.
Official reference tables for this variety record resistance to the lettuce downy mildew pathogen Bremia lactucae. Information regarding parent lines and a complete current resistance profile are not provided in open sources.
Sources2
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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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