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Romietto

Tomato

Denomination: 'Romietto'
Botanical Name: Solanum lycopersicum
Applicant/Holder: Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Burgemeester Crezeelaan 40
Postbus 40, 2678 ZG
De Lier
2678 KX
Netherlands
Breeder: Bram Koebrugge, Rijk Zwaan Zaadteelt en Zaadhandel B.V., De Lier, Netherlands
Agent in Canada: Rijk Zwaan Canada Ltd.
1008 Mersea Road 7
Leamington, Ontario
N8H 3V8
Canada
Tel: +1 519 322 0442
Application Date: 2023-09-11
Provisional Protection: 2023-09-11
Application Number: 23-11482

Variety Description

Variety used for comparison: 'Sweetelle'

Summary: The plants of ‘Romietto' are of medium height while those of ‘Sweetelle' are medium to tall. The fruit of ‘Romietto' is obovate to oblong shaped with a medium degree of ribbing at the peduncle end while that of ‘Sweetelle' is elliptic shaped with very weak to weak ribbing at the peduncle end.

Description:

SEEDLING: anthocyanin colouration of hypocotyl present

PLANT: indeterminate growth type, medium height, flowers early, very early to early fruit maturity
STEM: weak intensity of anthocyanin colouration, short to medium length internode

LEAF: horizontal to semi-drooping attitude, medium to long, medium to broad, bipinnate blade type
LEAF BLADE (UPPER SIDE): medium green, weak to medium degree of glossiness, very weak to weak blistering
LEAFLET: medium to large, semi-erect to horizontal attitude of petiole in relation to main axis of leaf

INFLORESCENCE: mainly multiparous type
PEDUNCLE: abscission layer present, medium length
FLOWER: yellow, pubescence of style present

IMMATURE FRUIT: small to medium extent of medium to dark green shoulder, light green skin (excluding shoulder), no green stripes
MATURE FRUIT: very small to small, large length to diameter ratio, obovate to oblong shape in longitudinal section, medium degree of ribbing at peduncle end, very weak to weak depression at peduncle end, very small peduncle scar, very small blossom scar, indented at blossom end, small diameter of core (in cross-section) in relation to total diameter when viewed from above, very thin pericarp, two and three locules, red skin, medium glossiness of skin, red flesh, firm

DISEASE REACTIONS: highly resistant to Meloidogyne incognita; resistant to Fusarium oxysporum f. sp. lycopersici race 0EU/1US, Passalora fulva (ex Fulvia fulva) race 0, group A, B, C, D and E, Tomato mosaic virus strains 0, 1 and 2; no resistance to Verticillium sp. (Va and Vd) race 0, Fusarium oxysporum f. sp. lycopersici race 1EU/2US, Fusarium oxysporum f. sp. radicis lycopersici, Tomato spotted wilt virus strain 0

Origin & Breeding History: 'Romietto' (breeder's reference 72-MP0031 RZ) originated from a controlled cross conducted between two proprietary lines in the autumn of 2021 in De Lier, Netherlands. ‘Romietto' was selected in the spring of 2022 for its fruit shape, colour, quality and yield; and disease resistance.

Tests & Trials: The detailed description of ‘Romietto' is based on the UPOV report of Technical Examination, application number TMT4097, purchased from the Naktuinbouw in Roelofarendsveen, Netherlands. The trial was conducted by the Naktuinbouw in Roelofarendsveen, Netherlands in 2023.

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Romietto
Tomato: 'Romietto'

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Romietto
Tomato: Reference variety 'Sweetelle'

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