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.
Solanum lycopersicum L. · Tomato
HM Clause Inc (US)
Zea mays L. · Maize
Rene Baratin
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed GmbH (DE)
Zea mays L. · Maize
Chemical Agrosava, Beograd
Pisum sativum L. · Pea
Vasylenko Antonina Oleksandrivna, Bezuhlyi Ihor Mykolaiovych, Lubko Maryna Vasylivna, Parii IAroslav Fedorovych, Rusavskyi Vladyslav Leonidovych, Iliuchenko Oleksandr Serhiiovych, Parii Myroslav Fedorovych, Parii IUliia Oleksandrivna, Parii Fedir Mykytovy
Helianthus annuus L. · Sunflower
Y. Stoyanova, P. Petrov, V. Velkov, A. Piskov, P. Ivanov, P. Shindrova, F. Tsvetkova, I. Ivanov
Glycine max (L.) Merr. · Soybean
ShchERBINA ELENA ZINOV'EVNA / ROMANYuK LIDIYa SERGEEVNA / PARFENYuK ALEKSANDR VIKTOROVICh / STARIChENKO VASILIJ NIKOLAEVICh / MIHAJLOV VYaChESLAV GRIGOR'EVICh
Gossypium hirsutum L. · Upland cotton
Sure Grow Seed Inc.
Phaseolus vulgaris L. · Common bean
NOVARTIS SEEDS
Gossypium hirsutum L. · Upland cotton
STONEVILLE PEDIGREED SEED COMPANY
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Kendra M. Blaker
Citrus reticulata Blanco · Mandarin orange
THOMAS McCALLUM/JACK HEARN
Brassica napus var. napus · Rapeseed
PIONEER OVERSEAS CORPORATION
Oryza sativa L. · Rice
Sardo Piemontese Sementi Soc. Coop. Società Agricola
Zea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Lolium perenne L. · Perennial ryegrass
PURE SEED TESTING
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Zea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Glycine max (L.) Merr. · Soybean
Institut za ratarstvo i povrtarstvo, Novi Sad
Zea mays L. · Maize
Syngenta Crop Protection AG
Zea mays L. · Maize
Walter Schmidt
Prunus persica (L.) Batsch · Peach
PLANTAS DE NAVARRA, S.A.(PLANASA)
Prunus persica (L.) Batsch · Peach
Zaiger, Chris F.|537 Rosemore Ave., Modesto, CA 95351 / Zaiger, Gary N.|1907 Elm Ave., Modesto, CA 95351 / Gardner, Leith M.|1207 Grimes Ave., Modesto, CA 95351 / Zaiger, Grant G.|2121 Elm Ave., Modesto, CA 95351
Zea mays L. · Maize
Roland Peter