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.
Triticum aestivum L. · Bread wheat
Sylvie DUTRIEZ
Lolium perenne L. · Perennial ryegrass
DLF Seeds A-S, DK
Glycine max (L.) Merr. · Soybean
FREIHERR VON MOREAU SAATZUCHT
Cucumis sativus L. · Cucumber
RIJK ZWAAN WELVER GMBH
Triticum aestivum L. · Bread wheat
KWS Momont Recherche Sarl
Glycine max (L.) Merr. · Soybean
Claude-Alain Bétrix
Cucurbita pepo L. · Field pumpkin
VEGETABLE MONSANTO B.V.
Solanum melongena L. · Eggplant
RIJK ZWAAN WELVER GMBH
Helianthus annuus L. · Sunflower
CAUSSADE SEMENCES
Vicia faba L. · Broad bean
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG
Trifolium pratense L. · Red clover
Jogeva Plant Breeding Institute, Jõgeva alevik 48309
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Monsanto Vegetable, NL
Dactylis glomerata L. · Cocksfoot
Vincent Beguier
Helianthus annuus L. · Sunflower
Semences Cargill SA (FR)
Pisum sativum L. · Pea
Syngenta Seeds B.V.
Medicago sativa L. · Alfalfa
MEDITERRANEA SEMENTI SRL
Avena sativa L. · Oat
Wiersum Plantbreeding B.V.
Glycine max (L.) Merr. · Soybean
Institut za ratarstvo i povrtarstvo, Novi Sad
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Helianthus annuus L. · Sunflower
MEUNIER JOEL
Chrysanthemum L. · Chrysanthemum
Knaap, Jacques C. M. Van der|De Lier, Netherlands
Sinapis alba L. · White mustard
J. Joordens' Zaadhandel B.V. Herrn P.J.H.G. Packbier
Triticum aestivum L. · Bread wheat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR