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.
Nicotiana tabacum L. · Tobacco
Dimitar S. Shabanov, Nikola G. Tomov, Vasil D. Pophristov, Iliya K. Popivanov
Allium cepa L. var. cepa · Onion
Bayer Holland B.V.
Pisum sativum L. · Pea
Bayer Holland B.V.
Phaseolus vulgaris L. · Common bean
KWS VEGETABLES B.V.
Solanum lycopersicum L. · Tomato
BURPEE NL B.V.
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Nunhems Germany GmbH
Helianthus annuus L. · Sunflower
RUP «POLESSKIJ INSTITUT RASTENIEVODSTVA» LUGANSKIJ INSTITUT SELEKCZII I TEXNOLOGIJ
Beta vulgaris Sugar Beet Group · Sugar beet
Strube D&S GMBH
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Pisum sativum L. · Pea
Syngenta Participations AG
Pisum sativum L. · Pea
Dr. Martin G. Schnock (+) / Irina Weil in Fa. Bruno Nebelung GmbH & Co. KG
Capsicum annuum L. · Bell pepper
Monsanto Vegetable IP Management B.V.
Asparagus officinalis L. · Asparagus
Erbe/Erbengemeinschaft Helmut Steiner (Grünspargelzucht)
Cucurbita pepo L. · Field pumpkin
Les Padley
Lactuca sativa L. · Lettuce
MERIDIEM SEEDS S.L.
Secale cereale L. · Rye
Hybro Saatzucht GmbH&Co KG
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
ISIDRO ALMENAR CUBELLS
Solanum lycopersicum L. · Tomato
GOLDEN WEST SEED RESEARCH Co.
Triticum aestivum L. · Bread wheat
ASUR Plant Breeding S.A.S
Helianthus annuus L. · Sunflower
GROWERS SEEDS
Dianthus L. · Carnation
VAN STAAVEREN BV (NL)
Pisum sativum L. · Pea
Kulcsar Gabor
Triticum durum Desf. · Durum wheat
S.I.S. SOCIETA' ITALIANA SEMENTI
Cucumis melo L. · Melon
TAKII EUROPE B V