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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

Found in these crops

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.

Cardyna

Active

Solanum lycopersicum L. · Tomato

Clause (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

De Bolster B.V.

NL
4 records

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

De Bolster B.V.

NL
3 records

Bolita

Active

Phaseolus vulgaris L. · Common bean

S.I.A.J.CASTILLA-LEON

ES
3 records

Solanum lycopersicum L. · Tomato

Semenarna Ljubljana, SI

SI
2 records

Cartesio

Terminated

Solanum lycopersicum L. · Tomato

Clause (FR)

FR
2 records

Caporal

Terminated

Solanum lycopersicum L. · Tomato

Vilmorin SA (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

SEMILLAS BATLLE, S.A.

ES
2 records

Calista

Terminated

Solanum lycopersicum L. · Tomato

Hazera Genetics Ltd (IL)

FR
2 records

Solanum lycopersicum L. · Tomato

Yuksel Tohumculuk LTD

UA
2 records

Boing

Terminated

Solanum lycopersicum L. · Tomato

Nunhems B.V.

NL
4 records

Borselfa

Terminated

Lupinus luteus L. · Yellow lupin

SAATZUCHT| Saatzucht Steinach GmbH & Co KG

DE
3 records

Bogart

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

ISI SEMENTI SPA

IT
2 records

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL
2 records

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
2 records

Solanum lycopersicum L. · Tomato

Y³ksel Tohum Tarim San. ve Tic A.S.

NL
4 records

Bolek

Active

Cucumis sativus L. · Cucumber

TOMASZ BERBEKA

PL
2 records

Big Rainbow

Terminated

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Callanzo

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

BURPEE NL B.V.

NL
2 records

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