Doblon
TerminatedHelianthus annuus L. · Sunflower
DAHLGREN AND COMPANY
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
DAHLGREN AND COMPANY
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
INTERSEMILLAS SAU
Zea mays L. · Maize
Loi Nataliia Oleksandrivna, Kupar Ivan Mykhailovych, Nehoda Tetiana Volodymyrivna, Olizko Oleksii Petrovych, Halechko Ivan Dmytrovych, Fedko Mykola Mykolaiovych, Bodenko Natalyia Anatoliivna, Cherchel Vladyslav IUriiovych, Dziubyts`kyi Borys Volodymyrovyc
Zea mays L. · Maize
Halechko Ivan Dmytrovych, Fedorenko Eduard Mykolaiovych, Derkach Kateryna Viktorivna, Haidash Oleksandr Leonidovych, Fed`ko Mykola Mykolaiovych, Riabchenko Eduard Mykolaiovych, Bodenko Natalia Anatoliivna, Il`chenko Larisa Anatoliivna, Cherchel` Vladyslav
Ribes nigrum L. · Blackcurrant
Porpaczy Aladar / Kollanyi Gabor
Zea mays L. · Maize
Cheban Denys Valeriiovych, Paziuk Nataliia Vasylivna, Kravchenko Viktor Mykolaiovych, Halechko Ivan Dmytrovych, Borysov Viktor Mykolaiovych,
Zea mays L. · Maize
Halechko Ivan Dmytrovych, Borysova Viktoriia Viktorivna, Borysov Viktor Mykolaiovych, Kupar Ivan Mykhailovych, Bodenko Natalia Anatoliivna, Fedko Mykola Mykolaiovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Zea mays L. · Maize
Shevchenko Serhii Oleksandrovych, Kravchenko Viktor Mykolaiovych, Halechko Ivan Dmytrovych, Borysov Viktor Mykolaiovych,
Zea mays L. · Maize
Halechko Ivan Dmytrovych, Borysov Viktor Mykolaiovych,
Zea mays L. · Maize
KRAVCHENKO VIKTOR MYKOLAIOVYCH, BORYSOV VIKTOR MYKOLAIOVYCH
Zea mays L. · Maize
Shevchenko Serhii Oleksandrvovych, Kravchenko Viktor Mykolaiovych, Halechko Ivan Dmytrovych, Borysov Viktor Mykolaiovych,
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Zea mays L. · Maize
Kravchenko Viktor Mykolaiovych, Borysov Viktor Mykolaiovych, Fed`ko Mykola Mykolaiovych, Cherchel` Vladyslav IUriiovych, Dziubets`kyi Borys Volodymyrovych,
Zea mays L. subsp. mays (Maize Group) · Maize
C.S.I.C. MISIÓN BIOLÓGICA DE GALICIA
Pelargonium L'Hér. ex Ait. · Geranium
Günter Dümmen
Brassica napus L. · Rapeseed
MONSANTO TECHNOLOGY
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Solanum lycopersicum L. · Tomato
HM.Clause S.A.S.
Zea mays L. · Maize
Ilchenko Larysa Anatoliivna, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Solanum melongena L. · Eggplant
Vilmorin-Mikado SAS (FR)
Pisum sativum L. · Pea
Asgrow Seed Company (US)