Roc
WithdrawnTriticum aestivum L. · Bread wheat
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
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.
Triticum aestivum L. · Bread wheat
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Allium cepa L. var. cepa · Onion
INTERSEMILLAS SAU
Zea mays L. · Maize
RAGT 2N S.A.S
Lolium x hybridum Hausskn. · Hybrid ryegrass
R 2n (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
MONSANTO TECHNOLOGY
Solanum melongena L. · Eggplant
Dr. V.S.S. Rao
Zea mays L. · Maize
IHAR RADZIKOW
Zea mays L. subsp. mays (Maize Group) · Maize
MONSANTO TECHNOLOGY
Zea mays L. · Maize
Kapustian Maryna Viktorivna, Bibel` IUliia Oleksandrivna, Buriak Serhii IUriiovych, Ortman Olena IEvheniivna, Kuz`myshyna Nataliia Vasylivna, Derkach Iryna Borysivna, Ponurenko Serhii Hennadiiovych, Muzafarov Nail` Miniiarovych, Sikalova Olena Valentynivn
Oryza sativa L. · Rice
INSTITUTO HISPANICO DEL ARROZ, S.A. (HISPARROZ)
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Dactylis glomerata L. · Cocksfoot
GIE GRASS (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Enza Zaden Beheer B.V.
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Glycine max (L.) Merr. · Soybean
Rubtsov Danylo Kostiantynovych, Marchenko Tetiana IUriivna, Biliaieva Iryna Mykolaivna, Klubuk Viktor Vasylovych, Borovyk Vira Oleksandrivna, Lavrynenko IUrii Oleksandrovych, Vozhehova Raisa Anatoliivna,
Pisum sativum L. · Pea
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Helianthus annuus L. · Sunflower
Nicolae Boaghe, Elena Andreea Teodorescu
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Kleinwanzlebener Saatzucht AG (DE)
Zea mays L. · Maize
Kovsharov Ihor Ihorovych
Zea mays L. · Maize
PIONEER HI-BRED INT. INC, PIONEER OVERSEAS CORPORATION,
Allium cepa L. · Onion
DE CORATO SEMENTI
Tulipa L. · Tulip
Haaster Flowerbulbs
Oryza sativa L. · Rice
Polenghi Giandomenico
Zea mays L. subsp. mays (Maize Group) · Maize
INRA