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
VŠÚZ - Výskumný a šlachtitelský ústav zemiakársky a.s.
Brassica napus var. napus · Rapeseed
Rustica Prograin Genetique
Pisum sativum L. · Pea
RAGT 2N S.A.S
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Sakata Seed Corporation
Solanum lycopersicum L. · Tomato
Sakata Seed Corporation, JP
Oryza sativa L. · Rice
ESERCIZIO SEMENTI S.R.L.
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Illinois foundation Seeds, USA
Asparagus officinalis L. · Asparagus
BEJO ZADEN
Capsicum annuum L. · Bell pepper
Syngenta Seeds B.V.
Helianthus annuus L. · Sunflower
EUROGEN SRL
Helianthus annuus L. · Sunflower
ISEA S.P.A.
Phleum pratense L. · Timothy grass
Malopolska Hodowla Roslin Spolka z o.o.
Oryza sativa L. · Rice
Cirad-Ca (FR)/Centre Francais du Riz (FR)
Cicer arietinum L. · Chickpea
Top Semence (FR)
Solanum tuberosum L. · Potato
Roelof H. Sloots
Glycine max (L.) Merr. · Soybean
Claude-Alain Bétrix
Pisum sativum L. · Pea
Nordic Maize Breeding, Grietje Raaphorst
Cucurbita moschata Duchesne · Butternut squash
Ted Superak
Raphanus sativus L. var. sativus · Radish
LEUNOV VLADIMIR IVANOVICh / HOVRIN ALEKSANDR NIKOLAEVICh / KOSENKO MARIYa ALEKSANDROVNA
Hordeum vulgare L. · Barley
LEMAIRE DEFFONTAINES SEMENCES
Triticum aestivum L. · Bread wheat
Danko Hodowla Roslin Sp.z.o.o.
Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts
BEJO ZADEN
Zea mays L. · Maize
Ludwig Fieldmeier
Cucumis sativus L. · Cucumber
TAKII EUROPE B V