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.
Phaseolus vulgaris L. · Common bean
Gebroeders Bakker Zaadteelt en Zaadhandel B.V.
Capsicum annuum L. · Bell pepper
Syngenta Seeds B.V.
Lactuca sativa L. · Lettuce
Nunhems B.V.
Solanum tuberosum L. · Potato
Winfried Lange, Frank Lange
Lolium perenne L. · Perennial ryegrass
PURE SEED TESTING
Pisum sativum L. · Pea
Syngenta Seeds B.V.
Lactuca sativa L. · Lettuce
NUNHEMS
Cannabis sativa L. · Hemp
Federation Nationale des Producteurs de Chanvre (FR)
Bouvardia Salisb. · Bouvardia
Joannes Maria Franciscus De Jong
Daucus carota L. · Carrot
ROGER FREEMAN
Lolium perenne L. · Perennial ryegrass
Valley Seeds Pty Ltd
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Zea mays L. · Maize
ASGROW FRANCE
Raphanus sativus L. var. oleiformis Pers. · Oil radish
KWS, D
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Snowy River Seeds, AUS
Helianthus annuus L. · Sunflower
Vronskikh Mykhailo Dmytrovych, Lesnik Volodymyr Stepanovych, Rantsev Dmytro Vasyl`ovych, Odynets` Serhii Ivanovych, Schudria Larysa Ivanivna, Kutischeva Nataliia Mykolaivna, Lytovchenko Borys Kyrylovych,
Helianthus annuus L. · Sunflower
JOSE RAMON PEREZ MONREAL
Prunus avium (L.) L. · Sweet cherry
Laurence Mailard Arsene Mailard
Zea mays L. · Maize
RAGT 2N S.A.S
Solanum tuberosum L. · Potato
Station de Recherche du Comité Nord G.I.E.
Solanum lycopersicum L. · Tomato
Silvertand, B. C. H. J.
Cucurbita pepo L. · Field pumpkin
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Zea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Trifolium alexandrinum L. · Egyptian clover
Jouffray-Drillaud SA (FR)