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.
Brassica napus var. napus · Rapeseed
Serasem (FR)/Institut National de la Recherche Agronomique (FR)
Solanum lycopersicum L. · Tomato
AN JAEGYUN
Solanum lycopersicum L. · Tomato
HEINZSEED
Juglans major x Juglans regia
EUROBOSQUES,S.A.
Brassica napus L. · Rapeseed
Norddeutsche Pflanzenzucht
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Maize Research Institute - Kneja (BG)
Asparagus officinalis L. · Asparagus
Jacques Marionnet GFA (FR)
Brassica napus var. napus · Rapeseed
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG
Asparagus officinalis L. · Asparagus
Jacques Marionnet GFA (FR)
Solanum lycopersicum L. · Tomato
HEINZSEED
Secale cereale L. · Rye
WILDE PEER
Zea mays L. · Maize
Pierre CAROLO
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Zea mays L. · Maize
ENGLER JURGEN
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Zea mays L. · Maize
Blandine Andreau
Helianthus annuus L. · Sunflower
Tsevma Volodymyr Mykolaiovych, Doroshevskyi Oleksandr Volodymyrovych,
Helianthus annuus L. · Sunflower
LIMAGRAIN GENETICS GRANDES CULTURES S.A.
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
Maize Research Institute - Kneja (BG)
Secale cereale L. · Rye
WILDE PEER
Gossypium hirsutum L. · Upland cotton
NORTHRUP KING
Zea mays L. · Maize
IVS S.R.L. - ISTA VENETO SEMENTI
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Robert Bruce Carle
Zea mays L. · Maize
Parii IAroslav Fedorovych, Parii Myroslav Fedorovych, Parii Myroslava Lukinichna, Tkachuk Zinovii IUr'ievych, Parii Fedir Mykytovych,