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.
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Kees Reinink
Helianthus annuus L. · Sunflower
RUSTICA SEMENCES
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
Weaver popcorn hybrids LLC (US)
Phaseolus vulgaris L. · Common bean
SVS HOLLAND| SVS Holland B.V. (Struct. Venn.)
Helianthus annuus L. · Sunflower
Mas Seeds S.A.S.
Triticum aestivum L. · Bread wheat
Groupement Agricole Essonnois (FR)
Sorghum bicolor (L.) Moench · Sorghum
DEUTSCHE SAATVEREDELUNG AG
x Triticosecale Wittm. ex A. Camus · Triticale
LEMAIRE DEFFONTAINES S.A.S.
Helianthus annuus L. · Sunflower
MEUNIER JOEL
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Phaseolus vulgaris L. · Common bean
VELDHUYZEN V.ZANTE
Solanum lycopersicum L. · Tomato
SYNGENTA SEEDS B.V.
Medicago sativa L. · Alfalfa
Semetica Srl
Brassica oleracea L. (Cauliflower Group) · Cauliflower
HAMMENHÖGS VÄXTFÖRÄDLINGSANSTALT
Lactuca sativa L. · Lettuce
Enza Zaden BV (NL)
Cucumis melo L. · Melon
Hazera Genetics Ltd (IL)
Triticum aestivum L. · Bread wheat
W WEIBULL
Cucumis sativus L. · Cucumber
NUNHEMS ZADEN
Zea mays L. · Maize
Borysov Viktor Mykolaiovych, Kostiuchenko Viktor Ivanovych
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
CROOKHAM COMPANY
Zea mays L. · Maize
Euralis Semences
Allium cepa L. var. cepa · Onion
Hoza Zaden B.V.
x Triticosecale Wittm. ex A. Camus · Triticale
SVALOF AB