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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.

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT UA
2 records

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT UA
2 records

ZP 717

Active

Zea mays L. · Maize

MAIZE RESEARCH INSTITUTE (ZEMUN POLSE)

GR
2 records

YIV483 C

Active

Zea mays L. · Maize

Pascal Berneval

UA
3 records

Prunus persica (L.) Batsch · Peach

SMS Unlimited LLC

ES
4 records

Prunus persica (L.) Batsch · Peach

Viveros Proseplan S.L.

ES
6 records

WEST CRYSTAL

Terminated

Dianthus caryophyllus L. · Carnation

Theodorus Adrianus Segers

NL
2 records

Triticum aestivum L. · Bread wheat

VLASENKO VOLODYMYR, KYRYLENKO VIRA, ZAIMA OLEKSII, YURCHENKO TETIANA, KHOMENKO SVITLANA, HUMENIUK OLEKSANDR, DUBOVYK NATALIIA, VOLOHDINA HALYNA, ZAMLILA NINA, DEMYDOV OLEKSANDR

UA
3 records

SUM 1088

Active

Zea mays L. · Maize

Dr. K.L. Nau, Dr. P.G.Goertz,

UA
5 records

SNH-6702

Active

Zea mays L. · Maize

COOPSEMENTI SCARL

IT
2 records

UCI 2-68

Application submitted

Olea europaea L. · Olive

LUIS RALLO ROMERO/DIEGO BARRANCO NAVERO/RAÚL DE LA ROSA NAVARRO/LORENZO LEÓN MORENO

ES
3 records

S21-A1

Application submitted

Glycine max (L.) Merr. · Soybean

Syngenta Participations AG

IT
2 records

Zincal 2

Active

Prunus persica (L.) Batsch · Peach

PLANTAS DE NAVARRA, S.A.(PLANASA)

ES
4 records

Prunus persica (L.) Batsch · Peach

PLANTAS DE NAVARRA, S.A.(PLANASA)

ES
4 records

UB 12 61

Active

Cucumis melo L. · Melon

UNIGENIA SEMILLAS, S.L.U.

ES
2 records

SNH 4424

Active

Zea mays L. · Maize

COOPSEMENTI SCARL

IT
3 records

R 4007 W

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE
3 records

Lavandula angustifolia Mill. · English lavender

GONCEARIUC, Maria, MD / BALMUŞ, Zinaida, MD

RO
3 records

Prunus persica (L.) Batsch · Peach

J.E.COS / A. CARRILLO / A.GUEVARA (IMIDA)

ES
5 records

Pr b-864

Terminated

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

PIONEER HI-BRED INTERNATIONAL

ES
4 records

TOP GAN

Active

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

SYNGENTA SEEDS B.V.

HR
2 records

S 35

Protection expired

Gossypium hirsutum L. · Upland cotton

Seed Source Inc.

ES
2 records

TSEZAR'

Active

Cucumis sativus L. · Cucumber

V. Doruchovs`ki

UA
5 records

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