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
Union des Cooperatives de Semences de Tournesol (FR)/Institut National de la Recherche Agronomique (FR)
Zea mays L. · Maize
PAU SEMENCES
Cucumis sativus L. · Cucumber
SAKATA VEGETABLES EUROPE SAS
Lupinus luteus L. · Yellow lupin
Zalischuk Mykola Mykhailovych, Zalischuk Olena Petrivna, Yablons`ka Valentyna Vasylivna, Plaksa Valerii Mykolaiovych,
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Vicia sativa L. · Common vetch
Jouffray-Drillaud SA (FR)
Humulus lupulus L. · Common hop
Instytut Uprawy Nawożenia i Gleboznawstwa Państwowy Instytut Badawczy
Gossypium hirsutum L. · Upland cotton
MC.NAIR SEED CO.
Zea mays L. · Maize
MAS SEEDS
Zea mays L. · Maize
Dekalb Genetics Corporation
Rosa L. · Rose
Herbert Hempelmann
Zea mays L. · Maize
Melnyk Vitalii IAkovych, Moskalenko Volodymyr Fedorovych,
Zea mays L. · Maize
Eric Rayn
Zea mays L. · Maize
Maisadour Semences
Zea mays L. · Maize
LIMAGRAIN EUROPE S.A.
Cucumis melo L. · Melon
INTERSEMILLAS, S.A.
Zea mays L. · Maize
Melnyk Vitalii IAkovych, Moskalenko Volodymyr Fedorovych,
Zea mays L. · Maize
Zhoel` Meun`er
Raphanus sativus L. var. sativus · Radish
Vyrodova Oksana Volodymyrivna, Cherkasova Valentyna Korniivna, Korniienko Serhii Ivanovych, Syvokon` Nadiia Pylypivna, Kyriukhina Nataliia Oleksandrivna, Horova Tamara Korniivna,
Zea mays L. · Maize
Melnyk Vitalii IAkovych, Moskalenko Volodymyr Fedorovych,
Solanum tuberosum L. · Potato
UNIPLANTA| Uniplanta - Saatzucht KG
Zea mays L. · Maize
LIMAGRAIN GENETICS GRANDES CULTURES S.A.
Zea mays L. · Maize
LIMAGRAIN EUROPE S.A.
Pisum sativum L. · Pea
FORSTANDER J.MØLLER