L14B
TerminatedHelianthus annuus L. · Sunflower
Kyrpychova Nataliia Mykhailivna, Vedmedieva Kateryna Vladyslavivna,
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 annuus L. · Sunflower
Kyrpychova Nataliia Mykhailivna, Vedmedieva Kateryna Vladyslavivna,
Zea mays L. · Maize
M. Genov, I. Genova, D. Ilchovska, V. Pelovska, V. Konovska
Zea mays L. · Maize
Maize Research Institute - Kneja (BG)
Vitis vinifera L. · Common grape vine
Stasieva Mariia Ivanivna, Morhunenko Ol`ha Hryhorivna, Bankovska Mariia Hryhorivna, Yarmak IEvheniia Dmytrivna, Meleshko Larysa Fedorivna, Dokuchaieva IEvheniia Mykolaivna,
Brachypodium distachyon (L.) P. Beauv. · Purple false brome
IAS-CSIC (PILAR HERNANDEZ- JOSE A. GOMEZ)
Glycine max (L.) Merr. · Soybean
Koshevs`kyi Ivan Illich, Fartushniak Halyna Borysivna, Romaniuk Lidiia Serhiivna, Scherbyna Olena Zinov'ievna, Mykhailov Viacheslav Hryhorovych,
Zea mays L. · Maize
LEIPERT RAINER
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE&CO.KGaA, DE
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Solanum lycopersicum L. · Tomato
GERMAN ANASTASIO
Prunus salicina Lindl. · Japanese plum
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Solanum lycopersicum L. · Tomato
Dubova Oleksandra Fedorivna, Hnatiuk Hanna Hryhorivna,
Glycine max (L.) Merr. · Soybean
Romaniuk Lidiia Serhiivna, Shcerbyna Olena Zinoviivna, Mykhailov Viacheslav Hryhorovych, Temchenko Inna Viktorivna, Babych Anatolii Oleksandrovych, Petrychenko Vasyl Florovych, Ivaniuk Serhii Vasyl`ovych,
Zea mays L. · Maize
Vynohradova Oksana Mykolaivna, Lytus Mykola Volodymyrovych, Blaschuk Mykhailo Ivanovych, Ponomarenko Halyna Ivanivna, Havryliuk Viktor Mykolaiovych, Morhun Volodymyr Vasylovych,
Zea mays L. · Maize
Jean Bruno BEAUFUME
Daucus carota L. · Carrot
Carl Sperling & Co (DE)
Levisticum officinale W. D. J. Koch · Lovage
Shebesht`ien - Berda Kateryna Andriivna, Fedoriuk Mariia Dmytrivna, Horova Tamara Korniivna, Lavrints Izabella Deneshivna, Bezeliuk Maryna Vasylivna, Kormosh Svitlana Mykhailivna,
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA
Oryza sativa L. · Rice
Concha Domingo Carrasco (IVIA)/Isabel Rosello Perez (IVIA)
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE&CO.KGaA, DE
Pisum sativum L. · Pea
PlantiCo Hodowla i Nasiennictwo Ogrodnicze Swietoslaw sp. z o.o.
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA
Chrysanthemum x morifolium Ramat. · Florist's daisy
Vitroflora K.A. Pawlak
Ribes nigrum L. · Blackcurrant
Shylo Mykola Petrovych, Mamchenko Hennadii Serhiiovych,