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.
Gossypium hirsutum L. · Upland cotton
DELTA&PINE LAND HOLDING
Capsicum annuum L. · Bell pepper
Zoldesegtermesztesi Kutato Intezet RT (HU)
Solanum lycopersicum L. · Tomato
SEMO a.s
Phaseolus vulgaris L. · Common bean
W BROTHERTON SEED CO INC
Solanum lycopersicum L. · Tomato
Vittorio Stravatto
Solanum lycopersicum L. · Tomato
Bursa Tohumculuk Ziraat ve Ticaret A.S. (TR)
Solanum lycopersicum L. · Tomato
Kees Konst
Cucumis sativus L. · Cucumber
SYNGENTA SEEDS B.V.
Solanum lycopersicum L. · Tomato
HM.CLAUSE
Solanum lycopersicum L. · Tomato
HEBREW UNI/HAZERA
Capsicum annuum L. · Bell pepper
RIJK ZWAAN WELVER GmbH, DE
Glycine max (L.) Merr. · Soybean
First Line Seeds Ltd (CA)
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Monsanto, NL
Phaseolus vulgaris L. · Common bean
SYNGENTA SEEDS B.V.
Solanum lycopersicum L. · Tomato
Kees Konst
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
RIJK ZWAAN Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Solanum lycopersicum L. · Tomato
Institut za povrtarstvo, Smederevka Palanka
Solanum lycopersicum L. · Tomato
Kees Konst
Glycine max (L.) Merr. · Soybean
Saatzucht Donau GmbH, Probstdorf AT
Solanum lycopersicum L. · Tomato
PNOS