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.
x Raphanobrassica spp.
Dr. A.V. Stewart c/o PGG Wrightson Seeds Ltd. Kimihia Research Centre / Ing. Piet Lammers
Chrysanthemum indicum L. · Indian chrysanthemum
Cornelis P. VANDENBERG (US)
Cannabis sativa L. · Hemp
GRASSI GIULIO
Chrysanthemum x morifolium Ramat. · Florist's daisy
VANDENBERG| Cornelis P. Vandenberg
Chrysanthemum indicum L. · Indian chrysanthemum
Cornelis P. VANDENBERG (US)
Thymus vulgaris L. · Common thyme
Chambre d'Agriculture de la Drome (FR)
Salix x fragilis L. · brittle willow
Melezhyk Leonid Petrovych
Chrysanthemum indicum L. · Indian chrysanthemum
Cornelis P. VANDENBERG (US)
Zea mays L. · Maize
Blaschuk Ivan Prokopovych, Dibrova Ivan IErofiiovych, Khromenko Vitalii Oleksandrovych, Havryliuk Viktor Mykolaiovych, Larchenko Kateryna Andriivna, Morhun Volodymyr Vasyl`ovych,
Glycine max (L.) Merr. · Soybean
Romaniuk Lidiia Serhiivna, Shcerbyna Olena Zinoviivna, Mykhailov V'iacheslav Hryhorovych,
Pyrus communis L. · European pear
Yuryk Larysa Stepanivna, Spriahailo Oksana Anatoliivna, Kucher Ruslan Anatoliiovych, Kucher Anatolii Oleksiiovych,
Ribes nigrum L. · Blackcurrant
Tereshcenko IAna IUriivna, Yareshcenko Oleksandr Mykolaiovych, Kopan Kira Mykolaivna,
Sorghum bicolor (L.) Moench · Sorghum
Samoilenko Anatolii Terentiievych, Baisa Iryna Petrivna, Shevchenko Tat`iana Anatoliievna, Sereda Volodymyr Ivanovych, Yalanskyi Oleksandr Volodymyrovych,
Helianthus annuus L. · Sunflower
Soroka Anatolii Ivanovych, Liakh Viktor Oleksiiovych, Shuhurova Nataliia Oleksiivna, Odynets` Serhii Ivanovych, Sereda Valentyna Oleksiivna, Shudria Larysa Ivanivna, Kutischeva Nataliia Mykolaivna,
Glycine max (L.) Merr. · Soybean
Scherbyna Oleksandr Zinoviievych, Chernenko IEvhen Viktorovych, Polischuk Svitlana Viktorivna, Tymoshenko Oleksandr Oleksiiovych, Shcerbyna Olena Zinoviivna, Romaniuk Lidiia Serhiivna, Mykhailov Viacheslav Hryhorovych,
Capsicum annuum L. · Bell pepper
Kamil Bartkowski Gospodarstwo Hodowlano-Nasienne Bartkowscy
Raphanus sativus L. var. sativus · Radish
Vovk Zhanna Mykolaivna
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
ASGROW SEED CO
Phaseolus vulgaris L. · Common bean
Popovych Ihor Heorhiiovych, Sych Zenovii Deonyzovych,
Zea mays L. · Maize
ROBERT TAUCHER
Brassica oleracea L. (White Cabbage Group) · White cabbage
Herrit Vlaar, Lakusta Vasyl` Samsonovych,
Zea mays L. subsp. mays (Maize Group) · Maize
DEKALB PLANT GENETICS
Capsicum annuum L. · Bell pepper
Shevchenko Ihor Andriiovych
Solanum melongena L. · Eggplant
Vreugdenhil Breeding & Seeds B.V.