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.
Cucurbita pepo L. · Field pumpkin
Monsanto Vegetable IP Management B.V.
Solanum tuberosum L. · Potato
BOZESAN ION
Brassica oleracea L. (White Cabbage Group) · White cabbage
BLUMEN GROUP S.P.A
Lactuca sativa L. · Lettuce
Nunhems B.V.
Capsicum annuum L. · Bell pepper
Global Seeds LLC, Russia
Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac
L. DÆHNFELDT A/S
Phaseolus vulgaris L. · Common bean
KWS VEGETABLES B.V.
Cucurbita pepo L. · Field pumpkin
INCONNU (FR)
Triticum durum Desf. · Durum wheat
COMPLEJO ASGROW SEMILLAS
Zea mays L. subsp. mays (Maize Group) · Maize
LIMAGRAIN VERNEUIL HOLD.
Solanum lycopersicum L. · Tomato
ZERAIM GEDERA
Lactuca sativa L. · Lettuce
ZETA SEEDS S.L.
Zea mays L. · Maize
ZEANINVENT S.A. E LABOULET SEMENCES
Daucus carota L. · Carrot
MARSEM (FR)
Prunus avium (L.) L. · Sweet cherry
Helianthus annuus L. · Sunflower
Zhoel` Meun`er
Helianthus annuus L. · Sunflower
PETIARD Benoit
Gladiolus L. · Gladiolus
Cohen Avner
Allium cepa L. var. cepa · Onion
Vilmorin SA (FR)
Trifolium pratense L. · Red clover
Malopolska Hodowla Roslin Spolka z o.o.
Capsicum annuum L. · Bell pepper
HORTAG SEED CO.
Helianthus annuus L. · Sunflower
Mas Seeds S.A.S.
Solanum lycopersicum L. · Tomato
GREENROAD B.V.
Pisum sativum L. · Pea
Unisigma GIE, FR