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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.

Artemida

Active

Solanum lycopersicum L. · Tomato

HAO-DEMETER Vine, Fruit Trees and Vegetable Research Institute

GR
2 records

Beauty Queen

Protection expired

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Baroncino

Application submitted

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL
3 records

Axiany

Active

Solanum lycopersicum L. · Tomato

Axia Vegetable Seeds B.V.

NL
3 records

Aroma Cocktail

Active

Solanum lycopersicum L. · Tomato

Silke Wedemeyer

AT
2 records

Ariesan

Active

Capsicum annuum L. · Bell pepper

AGROSEL S.R.L.

RO
3 records

Bastion

Active

Cucumis sativus L. · Cucumber

ChISTYaKOVA LYuBOV' ALEKSANDROVNA / KLIMENKO NIKOLAJ NIKOLAEVICh / MAKSIMOV SERGEJ VASIL'EVICh

NL
2 records

Basta

Active

Solanum lycopersicum L. · Tomato

HM.CLAUSE

UA
2 records

Awizo

Active

Solanum lycopersicum L. · Tomato

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
2 records

Baltasar

Terminated

Capsicum annuum L. · Bell pepper

ZERAIM GEDERA

ES
2 records

Arvento

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Aramis

Active

Solanum lycopersicum L. · Tomato

HAZERA GENETICS

ES
2 records

Aratta

Active

Glycine max (L.) Merr. · Soybean

Kolot Viktor Mykolaiovych, Kurochkina Zhanna Porfentiivna, Mykhailov Viktor Oleksandrovych, Klubuk Viktor Vasylovych,

UA
3 records

Barbaniaka

Active

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Bagni

Active

Solanum lycopersicum L. · Tomato

ReinSaat KG

AT
2 records

Armylla

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
2 records

Apollo Skierniewicki

Active

Cucumis sativus L. · Cucumber

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
3 records

Anita

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

GUBKO VALENTINA NIKOLAEVNA / KAMANIN ANDREJ ALEKSANDROVICh / ZALIVAKINA VALENTINA FEDOROVNA / ChERNOVOLOVA OL'GA ALEKSEEVNA / ORLOVA ELENA ARNOL'DOVNA / SALMINA IRINA SEMENOVNA / DOMANSKAYa MAJYa KONSTANTINOVNA

IT
3 records

Baby Boomer

Active

Solanum lycopersicum L. · Tomato

BURPEE NL B.V.

NL
2 records

Aziya

Active

Solanum lycopersicum L. · Tomato

Yuksel Tohumculuk LTD

UA
3 records

Axiradius

Active

Solanum lycopersicum L. · Tomato

Axia Vegetable Seeds B.V.

NL
3 records

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