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.
Oryza sativa L. · Rice
Sardo Piemontese Sementi Soc. Coop. Società Agricola
Pisum sativum L. · Pea
KATANSKA-KACZMAREK AGNIESZKA
Lolium perenne L. · Perennial ryegrass
Jouffray-Drillaud SA (FR)
Triticum durum Desf. · Durum wheat
SEMILLAS BATLLE, S.A.
Linum usitatissimum L. · Common flax
Linéa Semences de Lin G.I.E.
x Triticosecale Wittm. ex A. Camus · Triticale
Saatzucht Donau GmbH & Co.KG
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Glycine max (L.) Merr. · Soybean
RAC Station federale de recherches agronomiques de Changins (CH)
Solanum lycopersicum L. · Tomato
Bejo Zaden BV, NL
Festuca arundinacea Schreb. · Tall fescue
DLF Pickseed USA
Trifolium pratense L. · Red clover
Vilmorin SA (FR)
Triticum durum Desf. · Durum wheat
CO.NA.SE SOC.COOP.AGR
Triticum aestivum L. · Bread wheat
Saatzucht Josef Breun GdbR (DE)
Vicia faba L. · Broad bean
Limagrain UK
Pisum sativum L. · Pea
Limagrain UK
Brassica oleracea L. (Cauliflower Group) · Cauliflower
BEJO ZADEN
Hordeum vulgare L. · Barley
LEMAIRE DEFFONTAINES S.A.S.
Triticum durum Desf. · Durum wheat
Syngenta Participations AG, S.I.S. Società Italiana Sementi S.p.A.
Festuca arundinacea Schreb. · Tall fescue
Peak Plant Genetics, LLC & Rutgers, The State University of New Jersey
Festuca arundinacea Schreb. · Tall fescue
Rutgers, The State University of New Jersey
Lolium perenne L. · Perennial ryegrass
Saatzucht Steinach GmbH & Co KG
x Triticosecale Wittm. ex A. Camus · Triticale
Australian Grain Technologies Pty Ltd
Lolium perenne L. · Perennial ryegrass
MCCARTHY RESEARCH FARM
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA