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.
Malus domestica (Suckow) Borkh. · Apple
STICHTING WAGENINGEN RESEARCH-WAGENINGEN PLANT RESEARCH
Hordeum vulgare L. · Barley
Nordsaat Saatzuchtgesellschaft m.b.H. (DE)
Helianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. · Sunflower
Revol Benoit
Triticum aestivum L. · Bread wheat
Syngenta Crop Protection AG
Malus domestica (Suckow) Borkh. · Apple
Vivaisti, I
Helianthus annuus L. · Sunflower
Tuson Jean-Mark
Helianthus annuus L. · Sunflower
Zhoel` Meun`er
Helianthus annuus L. · Sunflower
MAS Seeds,FR
Zea mays L. · Maize
Pioneer Overseas Corporation, USA
Zea mays L. · Maize
Pioneer Overseas Cor, USA
Malus domestica (Suckow) Borkh. · Apple
Sundermeyer Gerhard
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Xingping Zhang, James Brusca.
Solanum glaucophyllum Desf.
VitaPlant AG
Helianthus annuus L. · Sunflower
LIMAGRAIN VERNEUIL HOLDING S.A.
Zea mays L. · Maize
Pioner Oversyz Korporeishn
Zea mays L. · Maize
Tom Kevern
Zea mays L. · Maize
Pioneer Overseas (US)
Zea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
Revol Benua
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics LLC
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
The Regents of the University of California