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.
Helianthus tuberosus L. · Jerusalem artichoke
Dipl.agrarbiol. Siegfried Schittenhelm im Institut für Pflanzenbau und Pflanzenzüchtung der FAL
Solanum tuberosum L. · Potato
Zelia Aureliia Heorhiivna, Plotnyts`kyi Sviatoslav Tymofiiovych, Bondarchuk Anatolii Andriiovych, Tymko Liudmyla Volodymyrivna, Abdurahimova Tamara Volodymyrivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Sydorchuk Vasyl Ivanovych, Tymko Mykola
Ribes nigrum L. · Blackcurrant
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Solanum tuberosum L. · Potato
Sobran Vasyl Mykhailovych, Hunchak Volodymyr Mykhailovych, Balashova Halyna Stanislavivna, Tymko Liudmyla Volodymyrivna, Starovoit Vitalii Borysovych, Furdyha Mykola Mykolaiovych, Tymko Mykola Hryhorovych, Bondarchuk Anatolii Andriiovych, Sydorchuk Vasyl
Allium cepa L. var. cepa · Onion
Syngenta Crop Protection AG
Zea mays L. subsp. mays (Maize Group) · Maize
EURALIS GENETIQUE
Zea mays L. · Maize
Reva IAroslav Mykolaiovych
Helianthus annuus L. · Sunflower
Kolomatska Valeriia Pavlivna, Syvenko Valentyna Ivanivna, Makliak Kateryna Mykolaivna, Libenko Mykola Oleksandrovych, Krut`ko Vasyl` Ivanovych, Kyrychenko Viktor Vasylovych, Karapira Serhii Ivanovych, Hanzhelo Mykola Hryhorovych, Varenyk Borys Fedorovych,
Solanum lycopersicum L. · Tomato
Daniel Gabillard
Prunus x gondouinii (Poit. & Turpin) Rehder · Duke cherry
VOGT
Cucumis sativus L. · Cucumber
Renkas Svitlana Volodymyrivna, Yanchuk Nina Ivanivna, Prylipka Oleksii Vasyl`ovych, Kravchenko Vladyslav Andriiovych,
Zea mays L. · Maize
Zhemoida Vitalii Leonidovych, Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,
Cucumis sativus L. · Cucumber
Vovk Zhanna Mykolaivna
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Gerard Balder
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Triticum aestivum L. · Bread wheat
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Triticum aestivum L. · Bread wheat
John Cowan
Secale cereale L. · Rye
Koval` Liudmyla Ivanivna, Vitvits`kyi Mykhailo Antonovych, Koval` Nataliia Mykhailivna,
Prunus cerasus L. · Sour cherry
Stat Exp of Vineland (CA)
Spinacia oleracea L. · Spinach
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum tuberosum L. · Potato
DEKKER B. (NL)
Chrysanthemum indicum L. · Indian chrysanthemum
Cornelis P. VANDENBERG (US)
Chrysanthemum x morifolium Ramat. · Florist's daisy
PIETERS| Dirk Pieters
Oryza sativa L. · Rice
IRES SRL / SOCIETÀ AGRICOLA GIULIO MELZI D'ERIL S.S.