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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.

PF 093 R

Terminated

Helianthus annuus L. · Sunflower

PANNAR UK LTD.

ES FR
2 records

P 90810

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

DE IT
2 records

PHG 68

Active

Zea mays L. · Maize

Cavanah, Jack A.

HU
2 records

Od 2085B

Terminated

Helianthus annuus L. · Sunflower

Institut de Recherche et (UA)

FR UA
3 records

Montfavet 63-18

Protection expired

Solanum lycopersicum L. · Tomato

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

ES FR
3 records

HMv 5408

Terminated

Zea mays L. · Maize

Tamas Szundy, Janos Pinter, Geza Hadi, Csaba L. Marton,

HU UA
3 records

Zea mays L. · Maize

MAS SEEDS

PT
3 records

GKT 372

Terminated

Zea mays L. · Maize

Pinter Zoltan / Szell Endre / Balassa Gyoergy / Fejes Laszlone / Szel Sandor / Kalman Laszlo

HU SK
2 records

MAS 12 P

Active

Zea mays L. · Maize

MAS SEEDS

LT
2 records

DKC 4371

Terminated

Zea mays L. · Maize

MONSANTO TECHNOLOGY

AT
2 records

LSR 92

Active

Secale cereale L. · Rye

Dr.Peer Wilde

DE UA
3 records

Lj-275 t

Active

Zea mays L. · Maize

BF-LJ agr. (SI)

SI
4 records

Brassica napus L. · Rapeseed

Frantz Boudet

IT UA
3 records

CSF 7606

Active

Helianthus annuus L. · Sunflower

Rene Baratin

IT UA
2 records

Zea mays L. · Maize

Yves BIOULAC

IT UA
3 records

Sorghum bicolor (L.) Moench · Sorghum

Benjamin Beyer

RO UA
3 records

INV 1310

Active

Brassica napus L. · Rapeseed

BASF AGRICULTURAL SOLUTIONS US LLC

HU LT
2 records

DKC 5653

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
4 records

DKC 6089

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
3 records

CSM 4413

Active

Zea mays L. · Maize

Rene Baratin

IT UA
2 records

Zea mays L. · Maize

Frantz Boudet

IT UA
3 records

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT UA
2 records

Bc 38 w

Active

Zea mays L. · Maize

BC INSTITUT D.D. ZAGREB

PT
4 records

8 R 92

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

KWS Saat AG, DE

ES FR
2 records

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