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.
Zea mays L. · Maize
Brahin Oleksandr Mykolaiovych, Melnyk Ivan Ivanovych,
Brassica oleracea L. (White Cabbage Group) · White cabbage
Domaine Public (FR)
Spinacia oleracea L. · Spinach
Horova Tamara Korniivna, Dziuba Liudmyla Borysivna, Kryvets` Dmytrii Olehovych, Pozniak Oleksandr Vasyl`ovych, Chaban Lesia Vasylivna,
Triticum aestivum L. · Bread wheat
Serasem, FR
Cucurbita moschata Duchesne · Butternut squash
FATIMA QUEDAS
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Shevchenko Tetiana Anatoliivna, Samoilenko Valentyna Vasylivna, Samoilenko Anatolii Terentiiovych,
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Zea mays L. · Maize
Joel Roukolle
Solanum melongena L. · Eggplant
Robert Priieur
Helianthus annuus L. · Sunflower
Tsevma Volodymyr Mykolaiovych, Doroshevskyi Oleksandr Volodymyrovych,
Zea mays L. · Maize
Pierre CAROLO
Zea mays L. · Maize
Pierre CAROLO
Solanum tuberosum L. · Potato
Sobran Vasyl Mykhailovych, Siharova Dina Dmytrivna, Hunchak Volodymyr Mykhailovych, Zakharchuk Nataliia Anatoliivna, Tymko Liudmyla Volodymyrivna, Furdyha Mykola Mykolaiovych, Bondarchuk Anatolii Andriiovych, Tymko Mykola Hryhorovych, Sydorchuk Vasyl Ivan
Petroselinum crispum (Mill.) Nym. ex A.W. Hill var. tuberosum (Bernh.) Mart Crov. · Hamburg parsley
Bejo Zaden B.V.
Helianthus annuus L. · Sunflower
Borovs`ka Iryna IUriivna, Satarov Oleksandr Zainulovych, Popova Ol`ha Andriivna, Leonova Nina Mykolaivna, Kuzmyshena Nadiia Viktorivna, Syvenko Olensandr Anatoliiovych, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna,
Triticum aestivum L. · Bread wheat
Chaika Anatolii Mykolaiovych, Dubova Oksana Anatoliivna, Burdeniuk-Tarasevych Larysa Antonivna,
Fagopyrum esculentum Moench · Buckwheat
JOORDENS| Ir. Marc Joordens
Helianthus annuus L. · Sunflower
Burlov Viktor Viktorovych, Burlov Viktor Vasylovych,
Zea mays L. subsp. mays (Maize Group) · Maize
Semences COOP de Pau
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Triticum monococcum L. · Einkorn wheat
ARCOIRIS SRL
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
FORRATEC ARGENTINA SA
Helianthus annuus L. · Sunflower
Remy ROUANET