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.
Miscanthus x giganteus J. M. Greef & Deuter ex Hodk. & Renvoize · Giant miscanthus
John Clifton Brown^^^Lin Huang^^^Charlotte Hayes^^^Sue Youell^^^Reza Shafiei^^^Chris Ashman^^^Danny Awty-Carroll^^^Antonella Iurato^^^Ian Donnison^^^Richard Flavell
Dianthus caryophyllus L. · Carnation
Azienda Agricola Di Giorgio - di Antonio e Renato S.S.
Rubus L. subg. Rubus · Blackberry
María Pilar Bañados Ortíz, Alejandra Andrea Salgado Rojas, John Reuben Clark.
Chrysanthemum L. · Chrysanthemum
Pierre Bernard^^^François Bernard
Kalanchoe blossfeldiana Poelln. · Flaming Katy
Ike Vlielander
Baptisia tinctoria (L.) R. Br. · horseflyweed
Schaper & Brümmer GmbH & Co. KG
Actinidia chinensis Planch. · Kiwifruit
TESTOLIN, RAFFAELE CIPRIANI, GUIDO
Actinidia Lindl. · Actinidia
Azienda Agricola Bovo Angelo Di Giuseppe e F.lli
Helianthus annuus L. · Sunflower
PIONEER HI-BRED INTERNATIONAL
Solanum lycopersicum L. · Tomato
NPF TOO «ILINICHNA»
Glycine max (L.) Merr. · Soybean
Benson Hill Seeds Inc.
Vicia faba L. · Broad bean
Werner Horn
Ipomoea batatas (L.) Lam. · Sweet potato
Christopher A. Clark^^^Tara Smith^^^Arthur Q. Villordon^^^Don R. LaBonte
Vaccinium corymbosum L. · Highbush blueberry
Wheeler Edmund J.,Banados Maria Pilar
Vicia faba L. · Broad bean
Limagrain Europe S.A.S
Dianthus caryophyllus L. · Carnation
Emilio Cano
Lathyrus cicera x Lathyrus sativus
Diego Rubiales Olmedo^^^Ana Moral Jiménez
Mentha x piperita L. · Peppermint
WIM VAN DEN HOOGEN
Lysimachia monelli (L.) U. Manns & Anderb. · Blue pimpernel
Syngenta Seeds B.V.
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
BARENBRUG HOLLAND
Rubus L. subg. Rubus · Blackberry
Maria Nicole Hewstone Oliper^^^Francisco Javier Chavez
Citrus clementina hort. ex Tanaka · Clementine
GARAVILLA LEGARRA, Estanislao
Rubus idaeus L. · Red raspberry
NIELS ARTS
Brassica napus var. napus · Rapeseed
KWS MOMONT RECHERCHE S.A.R.L