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.
Chrysanthemum indicum L. · Indian chrysanthemum
Case VANDENBERG (US)
Helianthus annuus L. · Sunflower
DAHLGREN COMPANY (US)
Linum usitatissimum L. · Common flax
Soroka Anatolii Ivanovych, Poliakova Iryna Oleksiivna, Yahlo Maryna Mykolaivna, Sahaidak IEvheniia Oleksiivna, Tovstanovs`ka Tetiana Hryhorivna, Makhno IUliia Oleksandrivna, Liakh Viktor Oleksiiovych,
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Kulish Ol`ha IUriivna, Breus Oksana Serhiivna, Parii IUliia Oleksandrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,
Allium sativum L. · Garlic
Krakowska Hodowla i Nasiennictwo Ogrodnicze POLAN sp. z o.o.
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu «Vseukrainskyi naukovyi instytut selektsii (VNIS)»
Cynara cardunculus L. · Cardoon
FERRARI VALENTINO
Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy
Uniwersytet Przyrodniczy w Poznaniu
Vicia faba L. var. equina St.-Amans · Horse bean
Danko Hodowla Roslin Sp.z.o.o.
Cucumis sativus L. · Cucumber
Henrikh IUst
Hordeum vulgare L. · Barley
ETS.C.C.BENOIST
Cucumis sativus L. · Cucumber
Srbek Liubosh, Oliva IAn, Horal Irzhi, Tyshkovs`kyi Volodymyr Mykhailovych,
x Triticosecale Wittm. ex A. Camus · Triticale
Florimond Desprez Veuve et Fils, FR
Cucumis sativus L. · Cucumber
Vol`fhanh Otte
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Brassica oleracea L. (White Cabbage Group) · White cabbage
Hari Besels
Helianthus annuus L. · Sunflower
R 2n (FR)
Trifolium pratense L. · Red clover
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Hordeum vulgare L. · Barley
Huba Iryna Ivanivna, Shtakal Mykola Ivanovych, Levchenko Olha Serhiivna, Holyk Liubov Mykolaivna,
Tulipa L. · Tulip
J.A.Borst Bloembollen B.V.
Chrysanthemum x morifolium Ramat. · Florist's daisy
PARATY B.V.B.A
Zea mays L. · Maize
Syngenta Crop Protection AG
Corylus avellana L. · Common hazel
Tsybenko Ihor