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.
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Dr. Hans Baukloh in Fa. KWS SAAT SE
Hordeum vulgare L. · Barley
RAGT 2N S.A.S
Glycine max (L.) Merr. · Soybean
Militsa Khrustich, Dzhordzhe Iotskovich, Milosh Vidich,
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Allium cepa L. var. aggregatum G. Don · Shallot
Broersen InternationalB.V.
Lolium perenne L. · Perennial ryegrass
Barenbrug USA
Oryza sativa L. · Rice
Semillas Certificadas Castells S.L.
Zea mays L. · Maize
KWS SAAT SE and CO KGAA
Oryza sativa L. · Rice
SA.PI.SE SARDO PIEMONTESE SEMENTI
Helianthus annuus L. · Sunflower
GOLDEN WEST SEED RESEARCH Co.
Cucurbita pepo L. · Field pumpkin
Syngenta Seeds B.V.
Solanum lycopersicum L. · Tomato
Vilmorin-Mikado S.A.S.
Helianthus annuus L. · Sunflower
Solanum lycopersicum L. · Tomato
Superior, Velika Plana
Helianthus annuus L. · Sunflower
Jose Romon Perez Monreal
Brassica napus L. · Rapeseed
PHYCOMAT EURL
Capsicum annuum L. · Bell pepper
Clause Tezier, FR
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
HM.CLAUSE
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Chrysanthemum L. · Chrysanthemum
REVECU II B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed Inc. (US)
Lactuca sativa L. · Lettuce
Nunhems Netherlands BV
Solanum tuberosum L. · Potato
Stephan Berger
Helianthus annuus L. · Sunflower
RAGT Czech s.r.o.,CZ