Joplin
| Denomination: | 'Joplin' |
|---|---|
| Botanical Name: | Lactuca sativa |
| Applicant/Holder: |
Nunhems B.V. Napoleonsweg 152 Nunhem 6083 AB Netherlands |
| Breeder: |
Juan Francisco Munoz Munoz, Nunhems B.V., Nunhem, Netherlands |
| Agent in Canada: |
Aventum IP Law LLP 104-555 Legget Drive, Tower A Ottawa, Ontario K2K 2X3 Canada Tel: 613-232-5300 Ext 321 |
| Application Date: | 2022-10-20 |
| Provisional Protection: | 2022-10-20 |
| Application Number: | 22-11108 |
Variety Description
Variety used for comparison: 'Zanardi'
Summary: The anthocyanin colouration on the leaf of ‘Joplin' has a strong to very strong brownish hue whereas that of ‘Zanardi' has a very strong purplish hue. The leaf of ‘Joplin' has a weak to medium degree of blistering whereas the leaf of ‘Zanardi' has a medium degree of blistering. The seed of ‘Joplin' is black whereas that of ‘Zanardi' is white. The plants of ‘Joplin' have no resistance to Nasonovia ribisnigri biotype Nr: 0 whereas the plants of ‘Zanardi' have this resistance present.
Description:
PLANT: cos type, glasshouse and open culture type, medium sized diameter, medium degree of overlapping of upper part of leaves, late to very late harvest maturity, medium to late time of beginning of bolting, absent or weak axillary sprouting, absent or very weak fasciation on bolting stem
HEAD: medium sized, narrow elliptic in cross-section, medium to dense
LEAF: erect to semi-erect attitude, absent or very few divisions, medium elliptic shape, rounded tip, flat to convex in longitudinal section, strong to very strong intensity of large area of brownish anthocyanin colouration, medium to strong glossiness of upper side, medium thickness, weak to medium degree of blistering, small to medium sized blisters, absent or very weak undulation of margin, not flabellate venation
SEED: black
DISEASE REACTIONS: resistance to Bremia lactucae isolates Bl: 16EU, Bl: 29EU and Bl: 36EU present; resistance to Bremia lactucae isolates Bl: 33EU, Bl: 35EU, Lettuce mosaic virus pathotype II and Nasonovia ribisnigri biotype Nr: 0 absent
Origin & Breeding History: ‘Joplin' (breeder's reference NUN 06529 LTL) originated from a cross between two proprietary parent lines conducted in Spain in 2008. Over ten years, continuous selection and selfing occurred. The final selection of ‘Joplin' was made in Spain in 2018 based on leaf colour intensity and leaf type.
Tests & Trials: The detailed description of ‘Joplin' is based on the UPOV report of Technical Examination, application number SLA4817, purchased from the Naktuinbouw in Roelofarendsveen, Netherlands. The trial was conducted by the Naktuinbouw in Roelofarendsveen, Netherlands from 2023 to 2024.
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Lettuce: 'Joplin'
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Lettuce: 'Joplin'
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Lettuce: 'Joplin'
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