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 · Sorghum
Hamandii Ivan Vasyl`ovych, Hamandii Vasyl Leonidovych,
Stevia rebaudiana (Bertoni) Bertoni · Sweet leaf
Sahanova Tamara Pavlivna, Yendruzhiievs`ka Liubov Pavlivna, Stefaniuk Volodymyr Iosypovych,
Hedera L. · Ivy
Dr. Adrian Kranvogel in Fa. Martin-Bauer GmbH & CoKG
Oryza sativa L. · Rice
VALLE AGRICOLA TARDITI E FERRANDO S.P.A.
Zea mays L. · Maize
Metteo Meroni
Solanum lycopersicum L. · Tomato
Dale M. Smith
Helianthus annuus L. · Sunflower
KOIPESOL SEMILLAS, S.A.
Solanum lycopersicum L. · Tomato
Jean Clause Mercier
Zea mays L. · Maize
Bielousov Anatolii Oleksanrovych, Asyka IUrii Oleksandrovych, Ivakhnenko Oleksandr Mykytovych,
Hippophae L. · Sea-buckthorn
Hans Joachim Albrecht
Solanum lycopersicum L. · Tomato
Hari Besels
Zea mays L. · Maize
Kuprichenkova Tetiana Hryhorivna, Bielikov IEvhen Illich,
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Domaine Public (FR)
Brassica napus var. napus · Rapeseed
Gertz Andreas
Pisum sativum L. · Pea
Domaine Public (FR)
Gladiolus L. · Gladiolus
Firma K. en K. Gootjes
Zea mays L. · Maize
Prof.Dr.Samir Rady
Pisum sativum L. · Pea
Holland-Select Research B.V.
Helianthus annuus L. · Sunflower
Parii Myroslav Fedorovych, Parii IAroslav Fedorovych
Brassica napus var. napus · Rapeseed
Tomasz Pakos, Jean-Pierre Despeghel,
Lolium perenne L. · Perennial ryegrass
Hodowla Roslin Grunwald Sp. z.o.o. Grupa IHAR
Vitis vinifera L. · Common grape vine
Lykhovs`koi Volodymyr Volodymyrovych, Kotolovets` Zinaida Viktorivna, Poluliakh Alla Anatoliivna, Volynkin Volydymyr Oleksandrovych,
Lactuca sativa L. var. crispa L. · Leaf lettuce
OLAF ZONNEVELD
Brassica oleracea L. (White Cabbage Group) · White cabbage
Khartmut Kliain, Troian Mykola Vasyl`ovych, Kondratenko Mykola Viktorovych,