Arkona
ActiveHelianthus annuus L. · Sunflower
Kopylov Serhii Ihorovych
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
Kopylov Serhii Ihorovych
Brassica oleracea L. (White Cabbage Group) · White cabbage
Domaine Public (FR)
Brassica napus L. · Rapeseed
Kliachenko Oksana Leonidivna, Sytnik Ihor Danylovych, Antonik Ihor Petrovych, Nahrebets`kyi Mykhailo Ivanovych, Vyshnevs`kyi Pavlo Ivanovych,
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Seeds
Asimina triloba (L.) Dunal · Pawpaw
STANICA FLORINJERRY LEHMANTABACU FLORIN ANDREIBUTCARU ANA CORNELIA
Solanum lycopersicum L. · Tomato
Ali Yuksel
Mentha x piperita L. · Peppermint
Nowak Tadeusz Z-d Zielarski Kawon
Triticum aestivum L. · Bread wheat
Limagrain Europe, FR
Triticum aestivum L. · Bread wheat
Coop de Pau SCA (FR)/LANDWISTSCH NEUHOF-ROHRAU (AT)
Solanum lycopersicum L. · Tomato
Shcevchenko Igor
Solanum tuberosum L. · Potato
Cherednichenko Liubov Mykolaivna, Sidakova Oksana Vladyslavivna, Mel`nyk Pavlo Oleksiiovych, Taktaiev Borys Anatoliiovych, Osypchuk Alla Andriivna, Bondarchuk Anatolii Andriiovych, Nazar Stefaniia Hryhorivna, Osypchuk Andrii Antonovych,
Armoracia Gaertn., Mey. et Scherb.
Geczi Laszlo / Racz Peter / Toeroek Imre
Zea mays L. · Maize
Frederic Poujeaud
Solanum lycopersicum L. · Tomato
Doktor Salim Erbas
Glycine max (L.) Merr. · Soybean
Diianova Anna Oleksandrivna, Biliavs`kyi IUrii Viktorovych, Biliavs`ka Liudmyla Hryhorivna,
Zea mays L. · Maize
Penka Hristova, Kiril Hristov, Nikolai Hristov, Sergei Vlahov
Cichorium endivia L. · Endive
SEMENCES MIRABEL (FR)
Solanum tuberosum L. · Potato
Averis Seeds B.V.
Zea mays L. · Maize
Eckhard Holzhausen
Zea mays L. · Maize
Roland Debeuf
Secale cereale L. · Rye
Symonenko Nina Viktorivna, Levchenko Olha Serhiivna, Kovalchuk Serhii Oleksandrovych, Holyk Liubov Mykolaivna, Starychenko Vasyl Mykolaiovych, Huba Iryna Ivanivna,
Asparagus officinalis L. · Asparagus
Domaine Public (FR)
Acca sellowiana (Berg) Burret · Feijoa
Shyshkina Olena Leonidivna, Sholokhova Violetta Antonivna, Pasienkov Arkadii Kostiantynovych,
Satureja hortensis L. · Summer savory
Dr. Wolf Dieter Blüthner