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Variety traits

Tomato determinacy

Solanum lycopersicum L.

A genetic trait of tomato growth habit, where the main stem ceases to grow after setting a specific number of flower clusters. This trait determines the ripening period, plant height, and crop management practices.

In the reference 3 183 varieties crop Tomato, where this is mentioned in the description.

In tomatoes, determinacy is expressed by the termination of the main stem growth with an inflorescence. Classic forms cease growth after the formation of 4–5 clusters, whereas super-determinate types terminate even earlier, and some groups after 8–10 inflorescences. Plant height usually ranges from 30 to 130 cm, and the position of the inflorescences depends on the morphological characteristics of a specific variety.

This trait is a decisive factor for agrotechnology: determinate tomatoes are characterized by a more concentrated fruit set and early ripening. Unlike indeterminate forms, they are more often pruned to 2–3 stems, and due to a more compact root system, they require strict control of irrigation and nutrient regimes. The dependence of plant height on environmental factors makes this trait flexible when growing in protected ground conditions.

General information about the subject — on the page Determinacy.

Sources8

Varieties of Tomato mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Renzino

Active

Solanum lycopersicum L. · Tomato

HU
3 records

Solanum lycopersicum L. · Tomato

NL
4 records

Pekbal

Active

Solanum lycopersicum L. · Tomato

HU
3 records

Nectar

Active

Solanum lycopersicum L. · Tomato

NL
4 records

Naram

Active

Solanum lycopersicum L. · Tomato

NL
3 records

Hamlet

Active

Solanum lycopersicum L. · Tomato

NL
6 records

Kalisti

Active

Solanum lycopersicum L. · Tomato

NL
3 records

Garincha

Active

Solanum lycopersicum L. · Tomato

NL
4 records

Fletcher

Active

Solanum lycopersicum L. · Tomato

NL
4 records

Dalmone

Active

Solanum lycopersicum L. · Tomato

NL
4 records

Cuerido

Terminated

Solanum lycopersicum L. · Tomato

NL
3 records

Solanum lycopersicum L. · Tomato

NL
3 records

Chicago

Active

Solanum lycopersicum L. · Tomato

NL
3 records

St. Pierre

Protection expired

Solanum lycopersicum L. · Tomato

Semenarna Ljubljana, SI

HR SI
2 records

UC-134

Terminated

Solanum lycopersicum L. · Tomato

HR SK
2 records

Solanum lycopersicum L. · Tomato

Sativa coop (IT)

SI
2 records

Madrila

Protection expired

Solanum lycopersicum L. · Tomato

NL SK
2 records

Cal Roma

Terminated

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Tanzimech

Terminated

Solanum lycopersicum L. · Tomato

CZ SK
2 records

Tasty F1

Application submitted

Solanum lycopersicum L. · Tomato

HR UA
3 records

Solanum lycopersicum L. · Tomato

NL
2 records

Unibac

Active

Solanum lycopersicum L. · Tomato

CZ
2 records

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