Variety traits
Maturity group is a biological characteristic of a variety that determines the length of its growing season from emergence to full maturity. This trait is a key tool for planning agronomic operations and selecting varieties suited to the climatic conditions of a region.
Mentioned in descriptions 89 063 varieties reference book.
Maturity group represents a biological characteristic of a variety that determines the duration of the growing season from the moment of seedling emergence to the onset of harvest or full maturity. This trait directly influences the choice of production strategy, allowing agronomists to optimize harvest timing, minimize losses due to crop lodging or over-ripening, and adapt crops to local climate conditions, avoiding risks associated with early frosts or drought periods.
The assessment of the maturity group is conducted within the framework of state variety testing on specialized plots by comparing the variety under study with a zoned standard. The duration of the growing season in days is used as a quantitative indicator. The gradation of groups from early-maturing to late-maturing does not have uniform numerical boundaries for all species, as it is based on the biological characteristics of a specific crop and the conditions of the cultivation zone.
Membership in a maturity group is determined by the genetic characteristics of the variety, however, the rate of progression through phenological phases depends on abiotic factors such as temperature regime, moisture availability, and photoperiodism. Cultivation techniques, including sowing dates and fertilization systems, can adjust maturation timing but do not change the genetic classification of a variety into a specific group.
There is an interconnection between the maturity group and biochemical indicators of product quality, such as protein and gluten content in the grain. For effective utilization of this trait, it is necessary to rely on the results of local trials, as a variety may perform differently under various soil and climatic conditions.
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.
Cichorium intybus L. (Witloof Chicory Group) · Witloof chicory
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum tuberosum L. · Potato
Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie
Zea mays L. subsp. mays (Maize Group) · Maize
R2n SAS (FR)
Cichorium endivia L. · Endive
HM.Clause S.A.S.
Oryza sativa L. · Rice
AGRITEK SEMENA EOOD
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Phaseolus vulgaris L. · Common bean
GOLDEN WEST SEED RESEARCH Co.
Foeniculum vulgare Mill. · Fennel
Biogya s.r.l. Italy
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Solanum lycopersicum L. · Tomato
HAZERA GENETICS
Helianthus annuus L. · Sunflower
Annabelle RABLAT
Oryza sativa L. · Rice
CREA-CENTRO DI RICERCA INGEGNERIA E TRASFORMAZIONI AGROALIMENTARI (CREA-IT-RM)
Solanum lycopersicum L. · Tomato
Domaine Public (FR)
Brassica napus var. napus · Rapeseed
SELGEN A.S
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Solanum lycopersicum L. · Tomato
Kaljo Kask 55%, Valve Jaagus 35%, Pille Sooväli 10%
Phaseolus vulgaris L. · Common bean
HILD KARL| Karl Hild
Glycine max (L.) Merr. · Soybean
Semican INC (CA)
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
TOZER SEEDS LTD
Hordeum vulgare L. · Barley
Claus Einfeldt
Solanum tuberosum L. · Potato
JOHANNA BERGER ^^^Stephan Berger
Daucus carota L. · Carrot
BREZEANU PETRE MARIANAMBARUS SILVICABREZEANU CREOLA
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Pyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy