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.
Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium
Hanes Mitchell Eugene
Gossypium hirsutum L. · Upland cotton
Bayer CropScience LP^^^Cotton Seed International Pty Ltd.
Capsicum annuum L. · Bell pepper
Nunhems B.V.
Glycine max (L.) Merr. · Soybean
SELSEM DOO, Belgrade, Serbia
Solanum lycopersicum L. · Tomato
HM.CLAUSE
Helianthus annuus L. · Sunflower
VENTUROLI SEMENTI S.R.L.
Pisum sativum L. · Pea
Stegmark, Rolf
Lolium perenne L. · Perennial ryegrass
Teagasc
Triticum aestivum L. · Bread wheat
Inst. de Recherche MENNESSON (FR)
Prunus armeniaca L. · Apricot
PSB produccion vegetal S.L. (ES)
Lolium perenne L. · Perennial ryegrass
Grass G.I.E.
Solanum tuberosum L. · Potato
DANESPO AS, DK - 7323 GIVE
Trigonella foenum-graecum L. · Fenugreek
Jean-Charles Renaudat (FR)
Triticum aestivum L. · Bread wheat
SECOBRA RECHERCHES S.A.S
Lolium perenne L. · Perennial ryegrass
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Inge Gaue
Capsicum annuum L. · Bell pepper
ZERAIM GEDERA
Hordeum vulgare L. · Barley
Nordic Seed A/S
Glycine max (L.) Merr. · Soybean
THE MINNESOTA AGRICULTURAL EXPERIMENT STATION
Gossypium hirsutum L. · Upland cotton
GOLDEN WEST SEED RESEARCH Co.
Solanum tuberosum L. · Potato
IPR B.V.
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Hordeum vulgare L. · Barley
Syngenta Participations AG| CH
Triticum durum Desf. · Durum wheat
Saatzucht Donau GmbH & Co.KG
Linum usitatissimum L. · Common flax
Linéa Semences de Lin G.I.E.