Variety traits
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.
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.
Solanum lycopersicum L. · Tomato
Superior, Velika Plana
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Solanum lycopersicum L. · Tomato
Superior
Solanum lycopersicum L. · Tomato
Bejo Zaden BV (NL)
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
BAEK, NAM KWON
Solanum lycopersicum L. · Tomato
HAZERA SEEDS BV
Solanum lycopersicum L. · Tomato
Ger Beemsterboer
Solanum lycopersicum L. · Tomato
Paul Degreef
Solanum lycopersicum L. · Tomato
UO «BELORUSSKAYA GOSUDARSTVENNAYA ORDENOV OKTYABRSKOJ REVOLYUCII I TRUDOVOGO KRASNOGO ZNAMENI SELSKOXOZYAJSTVENNAYA AKADEMIYA» GNU «INSTITUT GENETIKI I CZITOLOGII NAN BELARUSI»
Lupinus luteus L. · Yellow lupin
Poznanska Hodowla Roslin Sp. z o.o
Solanum lycopersicum L. · Tomato
UO «BELORUSSKAYA GOSUDARSTVENNAYA ORDENOV OKTYABRSKOJ REVOLYUCII I TRUDOVOGO KRASNOGO ZNAMENI SELSKOXOZYAJSTVENNAYA AKADEMIYA»
Capsicum annuum L. · Bell pepper
NAIK, H
Solanum lycopersicum L. · Tomato
Monsanto Invest, NL
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Solanum lycopersicum L. · Tomato
RIJK ZWAAN Zaadteelt en Zaadhandel B.V.
Glycine max (L.) Merr. · Soybean
Stine Harry
Solanum lycopersicum L. · Tomato
GSN Semences SAS (FR)
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Solanum lycopersicum L. · Tomato
Rene Khenkuet
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Capsicum annuum L. · Bell pepper
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.