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.
Phaseolus vulgaris L. · Common bean
Seminis Vegetable Seeds
Rosa L. · Rose
Société Nouvelle Pépinières et Roseraies Georges Delbard S.A.S.
Solanum lycopersicum L. · Tomato
Paul Degreef
Solanum tuberosum L. · Potato
Germicopa SAS, FR
Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
Marga Dummen
Festuca pratensis Huds. · Meadow fescue
SAATZUCHT STEINACH GMBH and CO KG
Solanum tuberosum L. · Potato
PBI Cambridge (GB)
Solanum tuberosum L. · Potato
Kweek-en Researchbedrijf Agrico B. V., 8314 PP Bant
Daucus carota L. · Carrot
Seminis Vegetable Seeds
Brassica oleracea L. (Broccoli Group) · Broccoli
Xiaoquanq Liang
Spinacia oleracea L. · Spinach
Sakata Vegetables Europe, F
Solanum tuberosum L. · Potato
Winfried Lange, Frank Lange
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Daucus carota L. · Carrot
Bejo Zaden B.V.
Solanum tuberosum L. · Potato
T&G GLOBAL LIMITED
Pisum sativum L. · Pea
PURE LINE SEEDS
Hordeum vulgare L. · Barley
Nordsaat Saatzuchtgesellschaft m.b.H. (DE)
Solanum tuberosum L. · Potato
Wolfgang Walter, Norika Nordring - Kartoffelzucht - und Vermehrungs - GmbH Gross Lusewitz
Solanum tuberosum L. · Potato
Heinrich Böhm
Prunus avium (L.) L. · Sweet cherry
Lane W. David
Pisum sativum L. · Pea
Rogers Brothers Seed Co., JD 83711-0727
Dactylis glomerata L. · Cocksfoot
WRIGHTSON PAS S.A.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds, NL
Solanum tuberosum L. · Potato
DR. LUDWIG SIMON