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.
Helianthus annuus L. · Sunflower
Suprun Oleh Hryhorovych, Petrenkova Vira Pavlivna, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,
Helianthus annuus L. · Sunflower
Thierry Andre
Zea mays L. · Maize
RAGT 2N S.A.S
Brassica napus L. · Rapeseed
Jutta Detering, A.S.Petersen,
Prunus avium (L.) L. · Sweet cherry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Triticum aestivum L. · Bread wheat
RAGT 2n, FR
Prunus persica (L.) Batsch · Peach
JOSE MARTIN CHARLEZ MARTINEZ
Cucurbita pepo L. · Field pumpkin
Bejo Zaden B.V.
Zea mays L. · Maize
Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,
Lupinus luteus L. · Yellow lupin
Poznanska Hodowla Roslin Sp. z o.o
Festuca rubra L. · Red fescue
SAATZUCHT| Saatzucht Steinach GmbH & Co KG
Helianthus annuus L. · Sunflower
Thierry Andre
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
CROOKHAM COMPANY
Zea mays L. · Maize
Bruno Lefevre
Zea mays L. · Maize
Bruno Lefevre
Lolium multiflorum Lam. · Italian ryegrass
EURO GRAS| Euro Grass Breeding GmbH & Co. KG
Helianthus annuus L. · Sunflower
RAGT 2N S.A.S
Festuca rubra L. · Red fescue
TURF SEED EUROPE LTD
Prunus avium (L.) L. · Sweet cherry
Luchikova Liubov Oleksiivna, Tarasiuk Halyna Mykhailivna, Zdruikovs`ka Antonina Iosypivna, Oriekhova Valentyna Petrivna,
Cucumis melo L. · Melon
Moshe Zalsman
Oryza sativa L. · Rice
LOUISIANA STATE UNIVERSITY
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Sereda Volodymyr Ivanovych, Samoilenko Anatolii Terentiievych, Yalanskyi Oleksandr Volodymyrovych, Kostyria Ihor Vasyl`ovych, Ostapenko Serhii Mykolaiovych,
Zea mays L. subsp. mays (Maize Group) · Maize
NORTHRUP KING
Oryza sativa L. · Rice
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR