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.
Solanum tuberosum L. · Potato
Teagasc Oak Park Research Centre
Allium cepa L. · Onion
Paul Degreef
Daucus carota L. · Carrot
Ger Beemsterboer
Lolium perenne L. · Perennial ryegrass
Euro Grass Breeding GmbH Co. KG
Solanum tuberosum L. · Potato
NIEUW-VENNEP
Vitis vinifera L. · Common grape vine
LOMBARDI GENETICS (PTY) LTDA
Pyrus x bretschneideri Rehder · Chinese white pear
White Allan
Solanum tuberosum L. · Potato
Kweek-en Researchbedrijf Agrico B.V
Solanum tuberosum L. · Potato
University of Maine System Board of Trustees
Solanum tuberosum L. · Potato
C. Meijer
Prunus salicina Lindl. · Japanese plum
SUN WORLD INTERNATIONAL
Vaccinium corymbosum L. · Highbush blueberry
PLANTAS DE NAVARRA, S.A., SOCIEDAD UNIPERSONAL, O PLANASA
Vitis vinifera L. · Common grape vine
David W. Cain, PhD.
Glycine max (L.) Merr. · Soybean
Patrice Jeanson
Hordeum vulgare L. · Barley
Claus Einfeldt
Zea mays L. · Maize
Rainer Leipert, Dieter Alber,
Zea mays L. · Maize
Rainer Leipert
Helianthus annuus L. · Sunflower
Sadik
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bejo Zaden, NL
Triticum durum Desf. · Durum wheat
Tiziano Disaro
Helianthus annuus L. · Sunflower
Syngenta Crop Protection,CH
Helianthus annuus L. · Sunflower
Euralis Semences FR
Glycine max (L.) Merr. · Soybean
Patrice Jeanson
Glycine max (L.) Merr. · Soybean
KELLY ATKINSON