Od 1008A
TerminatedHelianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
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
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems Netherlands B.V.
Solanum melongena L. · Eggplant
Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Triticum aestivum L. · Bread wheat
DUBUS NOUREUX (FR)
Humulus lupulus L. · Common hop
Blek Valentyna Petrivna, Dziadovych Olha Leonidivna, Zharkova Halyna Hryhorivna, Shtanko Ihor Pavlovych, Mykhailichenko Kateryna Pavlivna, Shablykin Valentyn Valentynovych,
Chrysanthemum x morifolium Ramat. · Florist's daisy
PARATY B.V.B.A
Zea mays L. · Maize
Syngenta Crop Protection AG
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
TOKITA Sementi Italia srl
Lolium perenne L. · Perennial ryegrass
ROSLAPIL| L. Roslapil c/o Slechtitelska stanice / HOUDEK| Ing. Ivan Houdek c/o Slechtitelska stanice / FOJTIK A.| Ing. Antonin Fojtik c/o Slechtitelska stanice / SVETLIK| Ing. V. Svetlik c/o Slechtitelska stanice / ROZSYPALOVA| K. Rozsypalova
Zea mays L. subsp. mays (Maize Group) · Maize
SYNGENTA SEEDS A.G.
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
Les Graines Caillard Sa (FR)
Beta vulgaris Garden Beet Group · Garden beet
Domaine Public (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Zea mays L. · Maize
PIONEER HI-BRED INT
Zea mays L. · Maize
Piliuhin Anatolii Saveliiovych, Sokolov V'iacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,
Lactuca sativa L. · Lettuce
ROSSEN & CO B.V.
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,
Helianthus annuus L. · Sunflower
Libenko Mykola Oleksandrovych, Hanzhelo Mykola Hryhorovych, Babich Valerii Ivanovych, Krut`ko Vasyl` Ivanovych,
Glycine max (L.) Merr. · Soybean
EVELYN VALERA ROJAS
Helianthus annuus L. · Sunflower
Hanzhelo Mykola Hryhorovych, Krut`ko Vasyl` Ivanovych,
Helianthus annuus L. · Sunflower
Babich Valerii Ivanovych, Krut`ko Vasyl` Ivanovych, Hanzhelo Mykola Hryhorovych, Libenko Mykola Oleksandrovych,
Helianthus annuus L. · Sunflower
Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,