Variety traits

Determinacy

Determinacy is a genetically determined plant growth habit where development is limited by the formation of a specific number of inflorescences. This trait defines bush architecture, maturation rates, and crop management strategies.

Mentioned in descriptions 12 519 varieties reference book.

Determinacy characterizes a plant's ability to cease vegetative growth after setting a fixed number of inflorescences, terminating in an apical flower cluster. Unlike indeterminate varieties that continue to develop throughout the season, determinate forms are distinguished by their compactness and focus on an early transition to the generative phase.

The trait defines the cultivation strategy by ensuring concentrated fruit set, which simplifies mechanized harvesting. This growth type requires specific agrotechniques, as improper pruning can lead to reduced productivity, while the plants themselves often do not require intensive staking.

The evaluation of determinacy during variety testing is conducted through field observations of plant architecture. Agronomists record the number of leaves to the first cluster, total plant height, and the terminal number of inflorescences on the main stem, classifying the variety on a scale from super-determinate to indeterminate forms.

Sources10

Breakdown by crop

Tomato determinacy 3 183 Tomato Determinate Growth 195 Cucumber determinacy 154 Determinacy in Soybean 146 Pepper determinacy 134 Bean determinacy 94 Determinate growth in peas 46 Determinacy — White Lupin 17 Buckwheat determinacy 14 Determinacy — Narrow-leafed lupin 14 Determinacy — Tomato (Interspecific Hybrids) 12 Determinacy — faba bean 10 Determinacy — Faba bean 9 Determinacy in small-seeded faba bean 8 Determinacy in Faba Bean 6 Determinacy — Yellow Lupine 5 Cotton Determinacy 5 Determinacy in Cucurbita maxima 4 Potato determinacy 4 Determinacy — Scarlet Runner Bean 4 Cotton determinacy 3 Eggplant determinacy 3

Found in these crops

Tomato 3 279 Tomato 198 Bell pepper 168 Cucumber 166 Soybean 158 Common bean 103 Pea 48 White lupin 20 Narrow-leaf lupin 18 Yellow lupin 15 Buckwheat 14 Broad bean 13

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Herdon F1

Terminated

Solanum lycopersicum L. · Tomato

Teresa Beck Bunn

1 record

Hera

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

ZAMFIR BIANCAVINATORU COSTELBRATU CAMELIABARCANU ELENA

2 records

Halileia F1

Active

Solanum lycopersicum L. · Tomato

Moshe Zalsman

2 records

GORDO F 1

Withdrawn

Solanum lycopersicum L. · Tomato

DE RUITER ZONE

1 record

Glenda

Application submitted

Solanum lycopersicum L. · Tomato

ReinSaat KG

1 record

Gopak

Terminated

Solanum lycopersicum L. · Tomato

Prytula Roman Petrovych

2 records

Goldvine

Active

Solanum lycopersicum L. · Tomato

Nunhems B.V.

2 records

Harmony F1

Application submitted

Solanum lycopersicum L. · Tomato

Mercier Jean-Claude

2 records

GOLIATH

Withdrawn

Solanum lycopersicum L. · Tomato

AGROSEX, S.L.

1 record

Hallar F1

Terminated

Solanum lycopersicum L. · Tomato

Mr. Dale Smith

1 record

GUARANÍ

Application submitted

Solanum lycopersicum L. · Tomato

MERIDIEM SEEDS S.L.

1 record

Guyana F1

Terminated

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

1 record

H 9280

Terminated

Solanum lycopersicum L. · Tomato

Heinz North America Seed Department

1 record

Granit

Active

Vicia faba L. var. equina St.-Amans · Horse bean

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

2 records

Gran sasso

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

CORA SEEDS S.R.L

1 record

Gran merito 2

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI

1 record

Grace F1

Terminated

Solanum lycopersicum L. · Tomato

Maren Shurmans

1 record

Genaros F1

Terminated

Solanum lycopersicum L. · Tomato

Maren Shurmans

1 record

Fruchta

Application submitted

Solanum lycopersicum L. var. lycopersicum · Tomato

KULTURSAAT| Kultursaat e.V. fuer Zuechtungsforschung und Kulturpflanzenerhaltung auf biologisch-dynamischer Grundlage

1 record

Golden Delight

Terminated

Solanum lycopersicum L. · Tomato

EVERGROW SEED CO. LTD

1 record

Fiorosso

Active

Capsicum annuum L. · Bell pepper

ReinSaat KG

1 record

Geante d'Orenbug

Active

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

1 record

Flexum F1

Terminated

Capsicum annuum L. · Bell pepper

William McCarty

1 record

Felichita F1

Terminated

Solanum lycopersicum L. · Tomato

Mashtakov Mykola Oleksiiovych, Mashtakova Anna Kharlampiievna, Mashtakov Oleksii Oleksiiovych, Dubinin Serhii Volodymyrovych,

2 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.