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.
Daucus carota L. · Carrot
ROGER FREEMAN
Brassica napus var. napus · Rapeseed
Nelly Guguin, Jean-Pierre Despeghel,
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Brassica napus var. napus · Rapeseed
Teresa Huskowska
Trifolium pratense L. · Red clover
W WEIBULL
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Lolium multiflorum Lam. · Italian ryegrass
DLF-TRIFOLIUM| DLF-Trifolium A/S
Beta vulgaris Sugar Beet Group · Sugar beet
Syngenta Seeds
Sinapis alba L. · White mustard
PHP PETERSEN
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Beemsterboer
Lolium perenne L. · Perennial ryegrass
DLF Trifolium A-S, DK
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
TAKII JAPAN and CO. 180 UMEKOJI
Solanum lycopersicum L. · Tomato
Kees Konst
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
TREVOR COPE SEEDS LIMITED
Phleum pratense L. · Timothy grass
SEMENCES DE FRANCE
Phaseolus vulgaris L. · Common bean
SVS Holland B.V.
Triticum durum Desf. · Durum wheat
Saatzucht Donau GmbH & Co.KG
Helianthus annuus L. · Sunflower
Caussade Semences, F
Linum usitatissimum L. · Common flax
Wiersum Plantbreeding B.V. (NL)
Triticum aestivum L. · Bread wheat
SAATEN UNION RECHERCHE
Solanum melongena L. · Eggplant
FRITS HERLAAR
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Brassica oleracea L. (White Cabbage Group) · White cabbage
Nickerson Zwaan B.V. (NL)
Vicia faba L. · Broad bean
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG