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.
Pisum sativum L. · Pea
Dubenets Mykola Vasylovych, Batashova Mariia IEvhenivna, Tyshcenko Volodymyr Mykolaiovych,
Triticum aestivum L. · Bread wheat
NORTHRUP KING
Helianthus annuus L. · Sunflower
Sliusar E.L., Borodin Serhii Heorhiiovych, Lebid` Zoia Ivanivna, Bihun Mariia Semenivna, Nikitchyn Dmytro Ivanovych, Tolmachov Viktor Valentynovych,
Triticum aestivum L. subsp. aestivum · Bread wheat
FIRLBECK KG| Saatzucht Firlbeck GmbH + Co. KG
Foeniculum vulgare Mill. · Fennel
Domaine Public (FR)
Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts
Domaine Public (FR)
Solanum lycopersicum L. · Tomato
Hari Besels
Triticum aestivum L. · Bread wheat
Agri Obtentions SA (FR)/Institut National de la Recherche Agronomique (FR)
Zea mays L. · Maize
HOLDEN'S FOUNDATION SEEDS INC.
Beta vulgaris Sugar Beet Group · Sugar beet
NOVARTIS SEEDS A.B.
Zea mays L. subsp. mays (Maize Group) · Maize
NORTHRUP KING
Raphanus sativus L. var. sativus · Radish
Domaine Public (FR)
Cucurbita moschata Duchesne · Butternut squash
Seed Supply Foundation
Oryza sativa L. · Rice
LOUISIANA STATE UNIVERSITY
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Helianthus annuus L. · Sunflower
Chekhov Anatolii Vasyl`ovych, Kutischeva Nataliia Mykolaivna, Lytovchenko Borys Kyrylovych, Borovs`ka Iryna IUriivna, Kuzmyshena Nadiia Viktorivna, Shudria Larysa Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasyl
Triticum aestivum L. · Bread wheat
Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
AKIRA SEEDS S.L.
Tagetes L. · Marigold
Ing. Piet Lammers
Primula vulgaris Huds. · Primrose
Pim J. Kaagman in Firma Goldsmith Seeds Europe
Allium ramosum L. · Fragrant-flowered garlic
Daniele Maraldi
Helianthus annuus L. · Sunflower
Hostiev IEvhen IUriiovych
Zea mays L. subsp. mays (Maize Group) · Maize
PRIDE HY CIE (CA)
Avena sativa L. · Oat
Nilsson, Bengt