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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.

Pr32f73

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT SI
5 records

PR32B41

Terminated

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT SI
4 records

Perugino

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
4 records

PR32T16

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT SI
4 records

R7ST3MJI

Active

Helianthus annuus L. · Sunflower

Thierry Andre

BG UA
5 records

Pekin

Active

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

ZETA SEEDS S.L.

ES UA
6 records

P1543

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

BG IT
5 records

Precius

Active

Capsicum annuum L. · Bell pepper

Genista Srl (IT)

FR IT
4 records

P0933

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT PT
6 records

Plautus

Active

Lolium perenne L. · Perennial ryegrass

BOGAERT| Ir. C.W. van den Bogaert c/o Zelder B.V.

DE NL
7 records

Polina

Active

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

FR NL
6 records

Phleum pratense L. · Timothy grass

Feldsaaten Freudenberger G.m.b.H. & Co Kommanditgesellschaft

DE FI
5 records

Polaris

Active

Solanum lycopersicum L. · Tomato

H.S.HEINZ COMPANY

ES NL
7 records

PR38A67

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

HU SI
7 records

PR35P21

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

HU IT
7 records

Panvinio

Active

Zea mays L. · Maize

Rainer Leipert

DE UA
6 records

PR33J56

Terminated

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT PT
5 records

PTK24G

Active

Helianthus annuus L. · Sunflower

Asociatia Cluster Centru de Cercetare Agricola Fundulea

RO UA
4 records

Pixxia

Terminated

Zea mays L. · Maize

RAGT 2N S.A.S

AT SI
4 records

Pamina

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

ES FR
4 records

R7PA1MJS

Active

Helianthus annuus L. · Sunflower

Thierry Andre

BG UA
5 records

Proteal

Active

Pisum sativum L. · Pea

Laboulet Semences, FR

FR IT
6 records

Persan

Active

Pisum sativum L. · Pea

UNISIGMA G.I.E.

CZ FR
6 records

Quartz

Active

Brassica napus var. napus · Rapeseed

KWS Momont Recherche Sarl

DK PL
5 records

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