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.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Clause Semences SA (FR)
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
dr. L. Rozman (SI)
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
PIONEER HI-BRED INTERNATIONAL
Sorghum bicolor (L.) Moench · Sorghum
PIONEER HI-BRED INT
Helianthus annuus L. · Sunflower
Soper, John
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. · Maize
Zea mays L. · Maize
CAUSSADE SEMENCES
Allium cepa L. var. cepa · Onion
Griffaton S.A. (FR)
Prunus x limeixing (J. Y. Zhang & Z. M. Wang) Y. H. Tong & N. H. Xia
Lowell Glen Bradford (US)
Allium cepa L. var. cepa · Onion
Domaine Public (FR)
Prunus persica (L.) Batsch · Peach
PRIMOR FRUIT SA (ES)
Phaseolus vulgaris L. · Common bean
SEMINOR (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
DELITZSCH PFLANZENZUCHT
Malus domestica (Suckow) Borkh. · Apple
Domaine Public (FR)
Spinacia oleracea L. · Spinach
AMBARUS SILVICA
Valerianella locusta (L.) Laterr. · Corn salad
Graines Voltz S.A.
Zea mays L. · Maize
Gribincea Vladimir Nicolae, Lebediuc Gheorghe Victor, Ciobanu Valentin Gheorghe, Spinu Angela Petru, Partas Eugenia Condrat, Meleka Anatol Constantin, Marangici Gheorghe Constantin, Mistret Silvia Ion, Guzun Lucia Zahar, Vanicovici Nicolai Gheorghe, Matic
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
PIONEER HI-BRED INTERNATIONAL
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Solanum lycopersicum L. · Tomato
Hem Zaden B.V.
Oryza sativa L. · Rice
V. Milev
Allium cepa L. var. aggregatum G. Don · Shallot
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Zea mays L. subsp. mays (Maize Group) · Maize
Maisadour Semences, FR