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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.

Chrysanthemum x morifolium Ramat. · Florist's daisy

Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich

PL
1 record

Unirex F1

Application submitted

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

UNKE PAJBJERG

Terminated

Dactylis glomerata L. · Cocksfoot

PAJBJERG A/S

DK
2 records

Vdiachna

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych, Koliuchyi Vasyl` Trokhymovych, Kyrylenko Vira Viktorivna, Sabadyn Valentyna IAkivna, Holyk Liubov Mykolaivna, Remeslo Volodymyr Vasyl`ovych, Marynka Svitlana Mykolaivna

UA
2 records

UNI4211

Active

Zea mays L. · Maize

Francis Glenn

UA
2 records

Ribes nigrum L. · Blackcurrant

Mazur Borys Mykolaiovych, Sherenhovyi Vitalii Petrovych, Sherenhovyi Petro Zakharovych,

UA
2 records

UNI3511

Active

Zea mays L. · Maize

Francis Glenn

UA
2 records

Under Ground

Application submitted

Solanum lycopersicum L. · Tomato

Nunhems Netherlands B.V.

NL
1 record

UNI3313

Active

Zea mays L. · Maize

Francis Glenn

UA
2 records

UR 46 SV

Terminated

Zea mays L. · Maize

Boreiko Vasyl` Sydorovych

UA
2 records

Verdena 66

Terminated

Rhododendron simsii Planch. · Indica azalea

Holger Lienhop

DE
1 record

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Nahorniak Mykhailo Mykolaiovych

UA
2 records

Solanum lycopersicum L. · Tomato

Erik Bastet

UA
1 record

Cichorium intybus L. (Leaf Chicory Group) · Chicory

Domaine Public (FR)

FR
1 record

UH 308

Active

Zea mays L. · Maize

Prof. Dr. A. E. Melchinger / INAKTIV Versuchsstation für Pflanzenzüchtung Eckartsweier Herrn Dr. Wolfgang Schipprack

DE
1 record

UH301

Terminated

Zea mays L. · Maize

Dr. D. Klein / Prof. Dr. A. E. Melchinger

DE
1 record

Uk 62 MV

Active

Zea mays L. · Maize

Savchuk Liudmyla Fedorivna, Matseiko Ivan Ivanovych, Hopchak Tetiana Mykolaivna, Sen Oleksandr Vitaliiovych, Dudka Oleksandr Stepanovych, Sytnychenko Vira Petrivna, Perevertun Larysa Ivanivna, Hodz` Mykola Vasyl`ovych, Zaika Stanislav Polikarpovych,

UA
2 records

Zea mays L. · Maize

Osadchyi Serhii Stepanovych, Khromenko Vitalii Oleksandrovych, Kalinchuk Oleh Ivanovych,

UA
2 records

UH 304

Terminated

Zea mays L. · Maize

Dr. D. Klein / Prof. Dr. A. E. Melchinger / INAKTIV Versuchsstation für Pflanzenzüchtung Eckartsweier Herrn Dr. Wolfgang Schipprack

DE
1 record

UkPh 67 S

Terminated

Zea mays L. · Maize

Zaika Stanislav Polikarpovych, Perevertun Larysa Ivanivna,

UA
2 records

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

UNI3513

Active

Zea mays L. · Maize

Francis Glenn

UA
2 records

Viola

Terminated

Brassica rapa L. subsp. nipposinica (L. H. Bailey) Hanelt · Mizuna

Lim Chahju

UA
2 records

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