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.
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Helianthus annuus L. · Sunflower
JUNTA DE ANDALUCIA CONSEJERIA DE AGRICULTURA Y, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)
Solanum tuberosum L. · Potato
HZPC Research B.V
Spinacia oleracea L. · Spinach
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
KWS SAAT SE & CO.KGAA
Zea mays L. · Maize
State Institute for the steppe zone of Agriculture National Academy of Agrarian Sciences of Ukraine
Zea mays L. · Maize
GOLDEN HARVEST/J.C. ROBINSON
Zea mays L. · Maize
Spirou Spiros
Zea mays L. · Maize
INSTITUTE OF FIELD AND VEGETABLE CROPS
Fritillaria L. · Fritillary
DE GOEDE WILHELMUS H
Zea mays L. · Maize
GOLDEN HARVEST/J.C. ROBINSON
Sorghum bicolor (L.) Moench · Sorghum
Advanta Seed International
Zea mays L. · Maize
GOLDEN HARVEST/J.C. ROBINSON
Zea mays L. · Maize
GOLDEN HARVEST/J.C. ROBINSON
Cucurbita pepo L. · Field pumpkin
PARIS HARRIS S., KARCHI TZVI, NERSON HAIM, EDELSTEIN MENAHEM, DALIA FROINDENBERG Y ANIKA GOVERS
Capsicum annuum L. · Bell pepper
Seminis Vegetable Seeds
Helianthus annuus L. · Sunflower
Agrigenetics Inc (US)
Zea mays L. · Maize
GOLDEN HARVEST/J.C. ROBINSON
Phaseolus vulgaris L. · Common bean
KWS VEGETABLES B.V.
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING
Helianthus annuus L. · Sunflower
prof.Galin Georgiev, prof.Aleksandar Piskov,prof.Valentina Encheva
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
GODAVARY HYBRID BEEJ (P) LTD
Zea mays L. · Maize
ALBER| Dr. Karl-Dieter Alber in Fa. KWS SAAT AG / SCHMIDT W.| Dr. W. Schmidt in Fa. KWS SAAT AG
Vicia faba L. var. major Harz · Broad bean
PlantiCo Hodowla i Nasiennictwo Ogrodnicze Golebiew sp. z o.o.