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.
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Eurosorgho (FR)
Helianthus annuus L. · Sunflower
Iliuchenko Oleksandr Serhiiovych, Yanul` Larysa Mykolaivna, Yanul` Viktor Pavlovych, Rusavs`kyi Vladyslav Leonidovych, Parii Myroslav Fedorovych, Parii IUliia Oleksandrivna, Churuta Oleh Ivanovych, Parii IAroslav Fedorovych, Parii Fedir Mykytovych,
Allium cepa L. var. cepa · Onion
Bayer Holland B.V.
Solanum lycopersicum L. var. lycopersicum · Tomato
ISI SEMENTI SPA
Solanum tuberosum L. · Potato
Federation des Syndicats Bretons (FR)
Zea mays L. · Maize
Melnyk Taras Vitaliiovych, Melnyk Vitalii IAkovych,
Triticum durum Desf. · Durum wheat
Genetica y Gestion S.L.
Zea mays L. · Maize
Lidea France S.A.S
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
ILVO-PLANT 39
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Bayer Holland B.V.
Lagenaria siceraria (Molina) Standl. · Calabash
Seminis Vegetable Seeds
Brassica napus var. napus · Rapeseed
DEUTSCHE SAATVEREDELUNG AG
Zea mays L. · Maize
CAUSSADE SEMENCES
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
INTERSEMILLAS SAU
Triticum durum Desf. · Durum wheat
AGROVEGETAL, S.A.
Foeniculum vulgare Mill. · Fennel
Service Officiel de Controle (FR)
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Asparagus officinalis L. · Asparagus
Jacques Marionnet GFA (FR)
hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner
Nunhems B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A., Tienen BE
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Cucumis melo L. · Melon
HAZERA SEEDS BV
Pisum sativum L. · Pea
Vilmorin SA (FR)
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
MRL Seeds Limited