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.
Hordeum vulgare L. · Barley
ISEA S.r.l.^^^Marina Baronchelli^^^Alberto Gianinetti^^^Donata Pagani
Solanum tuberosum L. · Potato
Piet H.Smeenge
Lolium perenne L. · Perennial ryegrass
GIE GRASS (FR)
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG, CH
Zea mays L. · Maize
Purar Bozana, Bekavac Goran, Jockovic Djordje, Stojakovic Milislav,
Helianthus annuus L. · Sunflower
Hans Bauklo
Daucus carota L. · Carrot
Bejo Zaden B.V.
Triticum aestivum L. · Bread wheat
Florimond Desprez (FR)
Helianthus annuus L. · Sunflower
Michel Denuc
Hordeum vulgare L. · Barley
SECOBRA SAATZUCHT| SECOBRA Saatzucht GmbH
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
SEMILLAS FITO, S.A.
Lolium perenne L. · Perennial ryegrass
ILVO-PLANT 39
Brassica napus var. napus · Rapeseed
Syngenta Crop Protection AG, CH
Glycine max (L.) Merr. · Soybean
Marco Signor
Zea mays L. · Maize
LIMAGRAIN EUROPE
Daucus carota L. · Carrot
MORAVOSEED
Lolium perenne L. · Perennial ryegrass
ILVO - Plant Toegepaste (BE)
Phleum nodosum L. · Small-leaf timothy
Zwaan&De Wiljes' Zaadt en Zaadh B.V.
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Helianthus annuus L. · Sunflower
NUSEED EUROPE
Helianthus annuus L. · Sunflower
Strube Research GmbH&Co KG
Lolium x hybridum Hausskn. · Hybrid ryegrass
ILVO-PLANT 39
Glycine max (L.) Merr. · Soybean
Poljoprivredni Institut Osijek, HR
Brassica napus var. napus · Rapeseed
Nickerson International Research S.N.C.