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 rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
Persson Christer
Hordeum vulgare L. · Barley
NORDSAAT Saatzucht GmbH Frau Dr. Lissy Kuntze
Lolium perenne L. · Perennial ryegrass
GERMINAL IRELAND LTD
Alopecurus pratensis L. · Meadow foxtail
BAYERISCHE PFLANZENZUCHTGESELLSCHAFT EG & CO
Lolium perenne L. · Perennial ryegrass
Barenbrug Holland BV (NL)
Lactuca sativa L. · Lettuce
SLUIS & GROOT SEED B.V.
Solanum tuberosum L. · Potato
Heinrich Böhm
Solanum tuberosum L. · Potato
PLANTERA SEED BV
Hordeum vulgare L. · Barley
NORDSAAT SAATZUCHT
Helianthus annuus L. · Sunflower
Olivier Soulie
Trifolium incarnatum L. · Crimson clover
Oregro Seeds
x Triticosecale Wittm. ex A. Camus · Triticale
SECOBRA RECHERCHES S.A.S
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
HM Clause, USA
Pisum sativum L. · Pea
Syngenta Seeds B.V.
Capsicum annuum L. · Bell pepper
VILMORIN
Phaseolus vulgaris L. · Common bean
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Helianthus annuus L. · Sunflower
Rene Baratin
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum melongena L. · Eggplant
Vilmorin, F
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
PEGGY PAI-CHI CHANG
Triticum aestivum L. · Bread wheat
Michael Winzeler
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum tuberosum L. · Potato
R.P.GRAVELAND
Pisum sativum L. · Pea
WEBSTER DAVID