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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

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.

Caronte

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Clizia

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Dolcyto

Application submitted

Solanum lycopersicum L. · Tomato

CZ
1 record

Cicerone

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Chihlimbar

Active

Solanum lycopersicum L. · Tomato

RO
1 record

BRIVIO

Application submitted

Solanum lycopersicum L. · Tomato

UA
1 record

Belmondo

Terminated

Solanum lycopersicum L. · Tomato

NL
1 record

Balčiai

Active

Solanum lycopersicum L. · Tomato

LT
1 record

CHEREZA

Active

Solanum lycopersicum L. · Tomato

UA
1 record

BONSET F1

Terminated

Solanum lycopersicum L. · Tomato

Royal Sluis BV (NL)

HR
1 record

Costate 23

Terminated

Solanum lycopersicum L. · Tomato

RO
1 record

Cuor di bue ligure

Application submitted

Solanum lycopersicum L. var. lycopersicum · Tomato

IT
1 record

Cubilio

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

IT
1 record

Corabell

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Crovarese

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Buzău 50

Terminated

Solanum lycopersicum L. · Tomato

RO
1 record

Bura

Active

Solanum lycopersicum L. · Tomato

NL
1 record

Casa del Sol

Terminated

Solanum lycopersicum L. · Tomato

IT
1 record

Bryllo

Active

Solanum lycopersicum L. · Tomato

IT
1 record

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