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.
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Helianthus annuus L. · Sunflower
PANAM FRANCE SARL
Clematis L. · Clematis
Uno Kivistik, Aili Kivistik
Ribes nigrum L. · Blackcurrant
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Vitis vinifera L. · Common grape vine
LLOYD/HAROLD/AUSTIN
Triticum aestivum L. · Bread wheat
Ihnatovskyi Oleksandr Oleksandrovych, Khodakova Tetiana Mykolaivna, Reshetnikova Valentyna Semenivna, Aleksieienko IEvhenii Viktorovych, Honcharuk Nina Oleksandrivna, Lytvynenko Raisa Ivanivna, Holub IEvheniia Anatoliivna, Lytvynenko Mykola Antonovych,
Bromus inermis Leyss. · Smooth brome
Bortnovs`ka Olena Ivanivna, Bortnovs`kyi Vitalii Mykolaiovych, Buhaiov Vasyl` Dmytrovych,
Antirrhinum majus L. · Snapdragon
Warszawskie Przedsiębiorstwo Hodowli Roślin Ogrodniczych
Pisum sativum L. · Pea
Poljoprivredni Institut Osijek, HR
Zea mays L. · Maize
Piliuhin Viacheslav Saveliiovych, Sokolov Viacheslav Mykhailovych,
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Triticum aestivum L. · Bread wheat
Cambier Semences (FR)
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
PIONEER HI-BRED INTERNATIONAL
Glycine max (L.) Merr. · Soybean
IVANIUK SERHII VASYLOVYCH, SEMTSOV ANATOLII VASYLOVYCH, SHTUTS TETIANA MYKOLAIVNA, VILHOTA MYKOLA VOLODYMYROVYCH, TEMCHENKO INNA VIKTORIVNA
Sorghum Moench · Sorghum
Rybalka Oleksandr Illich, Hamandii Vasyl Leonidovych, Hamandii Ivan Vasyl`ovych, Dremliuk Hryhorii Kupriianovych, Soklov Viacheslav Mykhailovych,
Pisum sativum L. · Pea
Serdiuk Vira Ivanivna, Shtelma Andrii Mykhailovych, Shevchenko Larysa Mykolaivna, Hliantsev Andrii Vasylovych, Vasylenko Antonina Oleksandrivna, Bezuhlyi Ihor Mykolaiovych,
Zea mays L. · Maize
Benoit Petiard
Pyrus communis L. · European pear
Yuryk Larysa Stepanivna, Kucher Anatolii Oleksiiovych,
Zea mays L. subsp. Mays · Corn
Jean-Louis Dhautefeuille
Zea mays L. · Maize
Stupa Leonid IAkovych, Piliuhin Anatolii Saveliiovych, Sokolov Viacheslav Mykhailovych,
Cichorium endivia L. · Endive
Tezier SA (FR)
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,