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.
Zea mays L. · Maize
Mykuliak Ivan Stepanovych, Chernomyz Anatolii Mykolaiovych, Voskoboinyk Oleksandr Vasyl`ovych, Nehoda Tetiana Volodymyrivna, Marochko Valentyna Anatoliivna, Olizko Oleksii Petrovych, Borysov Viktor Mykolaiovych, Antoniuk Serhii Petrovych, Cherchel Vladysl
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Zea mays L. subsp. mays (Maize Group) · Maize
MONSANTO TECHNOLOGY
Cucumis melo L. · Melon
HM.Clause S.A.S.
Zea mays L. subsp. mays (Maize Group) · Maize
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Phaseolus vulgaris L. · Common bean
Trinity Genetics LLC
Solanum lycopersicum L. · Tomato
Syngenta Crop Protection AG
Triticum aestivum L. · Bread wheat
Orsem SA (FR)
Solanum lycopersicum L. · Tomato
Nunhems Netherlands B.V.
Brassica napus var. napus · Rapeseed
Bayer CropScience
Brassica rapa L. var. rapa (L.) Thell. · Turnip
MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI
Zea mays L. subsp. mays (Maize Group) · Maize
DEKALB PLANT GENETICS
Avena sativa L. · Oat
Ilmar Tamm 45%, Johannes Laurson 35%, Hans Küüts 15%, Kaljo Kask 5%
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Zea mays L. · Maize
Semillas Fito
Asparagus officinalis L. · Asparagus
SPAETH HANS| Dr. Hans Rolf Spaeth
Pisum sativum L. · Pea
Maia Raudseping 50%, Ingrid Bender 50% Centre of Estonian Rural Research and Knowledge
Solanum tuberosum L. · Potato
INCONNU (FR)
Solanum lycopersicum L. · Tomato
Domaine Public (FR)
Citrus xtangelo J. W. Ingram & H. E. Moore · Tangelo
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Cucumis sativus L. · Cucumber
Hodowla Roslin Snowidza Sp.z.o.o
Chrysanthemum x morifolium Ramat. · Florist's daisy
Nicolaas P. Dekker