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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

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

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.

Lo 207 zM

Terminated

Zea mays L. · Maize

Bielousov Anatolii Oleksandrovych

UA
2 records

Lo189P Lo191N

Withdrawn

Secale cereale L. · Rye

Dr.Peer Wilde

UA
2 records

Makoi feher

Active

Allium cepa L. · Onion

Szalay Ferenc / Pinter Hermina

HU
2 records

Magessis

Active

Vitis L. · Grapevine

CIOBOTEA CRISTINA-MAGDALENABANUTA FLORINA-MADALINABADULESCU ADRIANAPOPA CAMELIASUMEDREA DORIN IOAN

RO
2 records

Ljubljansko

Active

Brassica oleracea L. · Wild cabbage

Semenarna Ljubljana, SI

SI
1 record

Livia

Withdrawn

Prunus persica (L.) Batsch · Peach

BUBANI GIOVANNI BOSCO

IT
1 record

Lo182P

Terminated

Secale cereale L. · Rye

Dr.Peer Wilde

UA
2 records

LM 156 M

Terminated

Zea mays L. · Maize

Serikov Volodymyr Oleksiiovych, Sokolov Viacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

LIZENA

Terminated

Solanum tuberosum L. · Potato

INRA

ES
2 records

Madonna F1

Terminated

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

Herrit Vlaar

UA
2 records

Liudmyla

Terminated

Festuca arundinacea Schreb. · Tall fescue

Babych Anatolii Oleksandrovych, Antoniuk Volodymyr Oleksandrovych, Buhaiov Vasyl Dmytrovych, Maznichenko Volodymyr Ivanovych,

UA
1 record

Liubchyk

Terminated

Zea mays L. · Maize

Kapustian Maryna Viktorivna, Bibel` IUliia Oleksandrivna, Ortman Olena IEvheniivna, Kuz`myshyna Nataliia Vasylivna, Derkach Iryna Borysivna, Ponurenko Serhii Hennadiiovych, Muzafarov Nail` Miniiarovych, Sikalova Olena Valentynivna, Barsukov Ihor Petrovych

UA
2 records

LHA 372/31

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

IT
1 record

LISA

Terminated

Saintpaulia ionantha H. Wendl. · African violet

ARNOLD FISCHER

DK
1 record

MADONNA

Terminated

Solanum lycopersicum L. · Tomato

Seminis Vegetable Seeds

ES
1 record

LIR2232

Active

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

Maisadour Semences, FR

FR
1 record

Lipusta

Terminated

Festuca valesiaca Schleich. ex Gaudin subsp. valesiaca

SIMON| Prof. Dr. Uwe Simon Lehrstuhl fuer Gruenlandlehre der TU Muenchen

DE
2 records

Mandrivnyk F1

Terminated

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

Sych Zenovii Deonyzovych, Brytik Ol`ha Anatoliivna,

UA
2 records

M 419 M steryl`na

Terminated

Zea mays L. · Maize

Melnyk Vitalii IAkovych, Moskalenko Volodymyr Fedorovych,

UA
2 records

M 242 S

Terminated

Zea mays L. · Maize

Melnyk Taras Vitaliiovych, Moskalenko Volodymyr Fedorovych, Melnyk Vitalii IAkovych,

UA
2 records

LG3572

Withdrawn

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

Limagrain Verneuil Holding (FR)

FR
1 record

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