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Denomination: 'Stenza'
Botanical Name: Solanum lycopersicum
Applicant/Holder: Enza Zaden Beheer B.V.
Haling 1E
1602 DB Enkhuizen
Breeder: Marcel Mooij, Enza Zaden Beheer B.V., Enkhuizen, Netherlands
Agent in Canada: Smart & Biggar IP Agency Co.
P.O. Box 2999, Station D
55 Metcalfe Street, Suite 900
Ottawa, Ontario
K1P 5Y6
Tel: 613-232-2486 ex.1279
Application Date: 2017-01-11
Provisional Protection:: 2017-05-29
Application Number: 17-9233
Grant of Rights Date: 2020-02-05
Certificate Number: 6126
Grant of Rights Termination Date: 2040-02-05

Variety Description

Variety used for comparison: 'Taymyr'

Summary: The intensity of green of the leaf blade is darker than medium dark for 'Stenza' whereas the intensity of green of the leaf blade is medium dark for 'Taymyr'. The leaflet blade of 'Stenza' is large whereas the leaflet blade of 'Taymyr' is medium to large.


SEEDLING: anthocyanin colouration of hypocotyl present

PLANT: indeterminate growth type, medium to tall

STEM: absent or very weak anthocyanin colouration, long internode

LEAF: semi-drooping attitude, long, broad, bipinnate type, medium to dark green upper side, weak to medium degree of glossiness of upper side, medium degree of blistering
LEAFLET: large, semi-erect to horizontal attitude of petiole in relation to main axis

INFLORESCENCE: mainly uniparous
FLOWER: yellow, pubescent style

PEDUNCLE: abscission layer present, medium length
FRUIT (BEFORE MATURITY): no green shoulder, light to medium intensity of green excluding green shoulder, no green stripes
FRUIT: large to very large, small ratio of length in relation to diameter, oblate shape in longitudinal section, medium degree of ribbing at peduncle end, medium to strong depression at peduncle end, medium to large peduncle scar, small to medium size blossom scar, flat blossom end, large diameter of core in cross-section in relation to total diameter, medium to thick pericarp, four five or six locules, red flesh at maturity, very firm
FRUIT SKIN: red at maturity, medium degree of glossiness
TIME OF FRUIT MATURITY: late to very late maturity

DISEASE RESISTANCE: Susceptible to Meloidogyne incognita; resistance to Fusarium oxysporum f. sp. lycopersici, races 0 (ex 1) and 1 (ex 2) present; resistance to Fusarium oxysporum f. sp. radicis lycopersici; resistance to Fulvia fulva (Ff) (ex Cladosporium fulvum) race 0 and groups A, B, C, D, and E; resistance to Tomato Mosaic Virus (ToMV), strains 0, 1 and 2; no resistance to Tomato Spotted Wilt Virus (TSWV), race 0; no resistance to Oidium neolycopersici (On) (ex Oidium lycopersicum (OI))

Origin & Breeding History: 'Stenza' resulted from a controlled cross between two un-named proprietary seedlings at Enza Zaden Research and Development B.V. Enkhuizen in 2012. The selection criteria and objectives of the breeding program were to develop new tomato varieties that produce large uniform fruit with good colour and disease resistance.

Tests & Trials: The detailed description of 'Stenza' is based on the UPOV report of Technical Examination, application number TMT3011, purchased from Naktuinbouw in Roelofarendsveen, Netherlands. The trials were conducted by Naktuinbouw in Roelofarendsveen, Netherlands in 2018.

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Tomato: 'Stenza'

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