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.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
MARALDI SEMENTI S.r.l.
Glycine max (L.) Merr. · Soybean
PHP PETERSEN
Triticum aestivum L. · Bread wheat
LEMAIRE DEFFONTAINES S.A.S.
Lolium x hybridum Hausskn. · Hybrid ryegrass
RAGT 2N S.A.S
Vicia faba L. · Broad bean
DLF SEEDS A/S
Triticum durum Desf. · Durum wheat
RAGT 2N S.A.S
Triticum durum Desf. · Durum wheat
FLORIMOND DESPREZ VEUVE ET FILS
Triticum durum Desf. · Durum wheat
Limagrain Europe S.A.S
Lolium perenne L. · Perennial ryegrass
Teagasc
Lolium perenne L. · Perennial ryegrass
Teagasc
Solanum lycopersicum L. · Tomato
Nunhems Netherlands BV
Solanum tuberosum L. · Potato
STET HOLLAND
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems B.V.
Hordeum vulgare L. · Barley
Limagrain Europe S.A.S
Hordeum vulgare L. · Barley
FLORIMOND DESPREZ VEUVE ET FILS
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Triticum aestivum L. · Bread wheat
Graminor AS, N-2322 Ridabu
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
NUNHEMS
Sorghum bicolor (L.) Moench · Sorghum
Franck CHAUVEAU
Gossypium hirsutum L. · Upland cotton
MONSANTO TECHNOLOGY
Lolium perenne L. · Perennial ryegrass
DLF Seeds A/S
Lolium perenne L. · Perennial ryegrass
AFBI
Prunus salicina Lindl. · Japanese plum
Terry A Bacon