VOD72V
ActiveHelianthus annuus L. · Sunflower
Reva IAroslav Mykolaiovych
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
Reva IAroslav Mykolaiovych
Pisum sativum L. · Pea
S. Angelova, Y. Guteva, M. Lovchenova
Helianthus annuus L. · Sunflower
Tovarystvo z obmezhenoiu vidpovidalnistiu "SID HROU"
Helianthus annuus L. · Sunflower
Babych Viktoriia Olehivna, Kyrychenko Maryna Serhiivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,
Daucus carota L. · Carrot
Vilmorin SA (FR)
Rubus L. · Blackberry
Lietuvos agrarinių ir miškų mokslų centras
Zea mays L. · Maize
Sikalova Olena Valentynivna, Kalynychuk Oleh Ivanovych, Shvartsman Volodymyr IUkhymovych, Chernobai Larysa Mykolaivna, Ivlieva Tetiana Volodymyrivna, Barsukov Ihor Petrovych, Kamyshan Taisiia Petrivna, Chupikov Mykola Mykhailovych, Kozubenko Leonid Vasyl`
Daucus carota L. · Carrot
L. DÆHNFELDT A/S
Cucurbita pepo L. · Field pumpkin
Domaine Public (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Sjaak van der Plog
Pisum sativum L. · Pea
Vilmorin SA (FR)
Vicia sativa L. · Common vetch
Zakharenko Viktor Arkadiiovych, Sokyrko Mykhailo Petrovych, Kolisnyk Iryna Vitaliivna, Barylko Marharyta Hryhorivna,
Gladiolus L. · Gladiolus
Firma K. en K. Gootjes
Cucumis sativus L. · Cucumber
Domaine Public (FR)
Rhododendron simsii Planch. · Indica azalea
Holger Lienhop
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Nahorniak Mykhailo Mykolaiovych
Phaseolus vulgaris L. · Common bean
Les Graines Caillard Sa (FR)
Helianthus annuus L. · Sunflower
Dobroudja Agricultural Institute - General Toshevo (BG)
Phaseolus vulgaris L. · Common bean
Vilmorin SA (FR)
Lactuca sativa L. · Lettuce
RAMIRO ARNEDO, S.A.
Chrysanthemum L. · Chrysanthemum
STALLA FRANCO
Beta vulgaris Leaf Beet Group · Swiss chard
MARALDI SEMENTI S.r.l.
Lupinus luteus L. · Yellow lupin
Poznanska Hodowla Roslin Sp. z o.o
Zea mays L. · Maize
Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,