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Variety traits

Maturity group

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.

Sources10

Breakdown by crop

Found in these crops

Varieties that feature this in their description

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.

Od 1008A

Terminated

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,

UA
2 records

NUN 12304 WMW

Application submitted

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Nunhems Netherlands B.V.

NL
2 records

Otello F1

Terminated

Solanum melongena L. · Eggplant

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

UA
2 records

OSSK 391

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Poljoprivredni Institut Osijek, HR

HR
1 record

OS 1011V

Active

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,

UA
2 records

Noralter

Terminated

Triticum aestivum L. · Bread wheat

DUBUS NOUREUX (FR)

FR
1 record

Oskar

Terminated

Humulus lupulus L. · Common hop

Blek Valentyna Petrivna, Dziadovych Olha Leonidivna, Zharkova Halyna Hryhorivna, Shtanko Ihor Pavlovych, Mykhailichenko Kateryna Pavlivna, Shablykin Valentyn Valentynovych,

UA
1 record

Osimo

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

PARATY B.V.B.A

PL
1 record

NX7034

Terminated

Zea mays L. · Maize

Syngenta Crop Protection AG

IT
1 record

Ornella

Application submitted

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

TOKITA Sementi Italia srl

IT
1 record

Nonius

Withdrawn

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

DE
2 records

NX4023

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

SYNGENTA SEEDS A.G.

ES
1 record

Oscar

Terminated

Apium graveolens L. var. dulce (Mill.) Pers. · Celery

Les Graines Caillard Sa (FR)

FR
1 record

OS4409

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

Poljoprivredni Institut Osijek, HR

HR
1 record

P1404

Withdrawn

Zea mays L. · Maize

PIONEER HI-BRED INT

IT
1 record

Odes`ka 314 zM

Terminated

Zea mays L. · Maize

Piliuhin Anatolii Saveliiovych, Sokolov V'iacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

NOGATINE

Terminated

Lactuca sativa L. · Lettuce

ROSSEN & CO B.V.

ES
1 record

OS 1001V

Active

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,

UA
2 records

Od 561 A

Active

Helianthus annuus L. · Sunflower

Libenko Mykola Oleksandrovych, Hanzhelo Mykola Hryhorovych, Babich Valerii Ivanovych, Krut`ko Vasyl` Ivanovych,

UA
2 records

P05T80

Withdrawn

Glycine max (L.) Merr. · Soybean

EVELYN VALERA ROJAS

UA
2 records

Od 4301B

Terminated

Helianthus annuus L. · Sunflower

Hanzhelo Mykola Hryhorovych, Krut`ko Vasyl` Ivanovych,

UA
2 records

Od 202 V

Active

Helianthus annuus L. · Sunflower

Babich Valerii Ivanovych, Krut`ko Vasyl` Ivanovych, Hanzhelo Mykola Hryhorovych, Libenko Mykola Oleksandrovych,

UA
2 records

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Varenyk Borys Fedorovych,

UA
2 records

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