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 x morifolium Ramat. · Florist's daisy
GLICENSTEIN| Dr. Leon Glicenstein
Chrysanthemum indicum L. · Indian chrysanthemum
Jacques Stamens (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
Strube Research GmbH&Co KG
Carthamus tinctorius L. · Safflower
Shevel` Vitalii Ihorevych, Shevel` Ihor Vasyl`ovych, Dykyi Viktor Vasyl`ovych,
Beta vulgaris Sugar Beet Group · Sugar beet
HERMANN STRUBE
Glycine max (L.) Merr. · Soybean
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Glycine max (L.) Merr. · Soybean
Kobyzieva Liubov Nykyforivna, Riabukha Serhii Stanislavovych, Chernyshenko Pavlo Volodymyrovych, Moshkova Olena Mykolaivna, Matushkin Viktor Oleksiiovych,
Solanum lycopersicum L. · Tomato
Harris Moran Seed Company (USA) (US)
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu «IEvrosem»
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu "DANSIDS"
Pisum sativum L. · Pea
Andre Blondeau Semences (FR)
Prunus persica (L.) Batsch · Peach
BURCHELL NURSERY INC.
Chrysanthemum x morifolium Ramat. · Florist's daisy
Misiura Oleksandra Vasylivna, Andriushenkova Zoia Pavlivna,
Pisum sativum L. · Pea
SLUIS & GROOT BV (NL)
Ribes nigrum L. · Blackcurrant
Institut Sadiwnictwa Ukrainska Akademija Agrarnich Nauk Volodymyr Kopan
Allium cepa L. · Onion
Buuren van Galen
Gossypium hirsutum L. · Upland cotton
RONALD TOEWS
Pisum sativum L. · Pea
Vovk Zhanna Mykolaivna
Zea mays L. · Maize
Harry Stine
Allium cepa L. · Onion
Thaam Wiynker
Panicum miliaceum L. · Proso millet
Ponomarenko Nadiia Serhiivna, Biriukova Ol`ha Volodymyrivna, Yehorov Dmytro Kostiantynovych, Horlachova Olha Vikentiivna, Horbachova Svitlana Mykolaivna,
Brassica napus L. · Rapeseed
Monsanto Technology, Missouri US
Triticum aestivum L. · Bread wheat
Skryplov Volodymyr Oleksandrovych, Morhun Bohdan Volodymyrovych, Bratuschak Serhii Petrovych, Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych,
Glycine max (L.) Merr. · Soybean
ARIO University of Guelph (CA)