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Variety traits

Maize maturity group

Zea mays L. subsp. mays (Maize Group)

The maize maturity group is determined by the FAO index, a numerical indicator ranging from 100 to 999 used to categorize hybrids based on their biological characteristics and heat requirements.

In the reference 1 583 varieties crop Maize, where this is mentioned in the description.

The FAO index serves as a tool for the relative comparison of maize hybrids according to their growing season. The index values are divided into groups: early-maturing (100–199), mid-early (200–299), mid-maturing (300–399), mid-late (400–499), and late-maturing (500 and above). A difference of 10 FAO units under identical conditions corresponds to a change in the growing season of 1–2 days or a change in the grain dry matter content of 1–2%.

Selecting a hybrid based on the FAO index determines adaptation to the sum of active and effective temperatures of the region. Hybrids with a high index possess greater yield potential but require significant grain drying costs, whereas earlier groups are preferred for obtaining grain with low moisture levels. The maturity group also influences the choice of utilization for grain or silage, plant population density, and response to agronomic practices.

General information about the subject — on the page Maturity group.

Sources8

Varieties of Maize mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

PR34N44

Terminated

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

Pioneer Hi-Bred International Inc (US)

ES FR
4 records

PR34M94

Terminated

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

Pioneer Hi-bred International Inc. (USA)

FR HR
3 records

Polaire

Active

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

LIMAGRAIN EUROPE

NL PL
4 records

Pinnacle

Active

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

Limagrain Europe s.a.

FR NL
3 records

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

Euralis Semences

CZ PL
3 records

P9903

Active

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

Pioneer Hi-Bred International Inc (US)

FR HR
3 records

P9610

Active

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P9494

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

CZ HR
3 records

P9398

Active

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P92440

Active

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

PIONEER OVERSEAS CORPORATION

CZ ES
3 records

P9175

Protection expired

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

Pioneer Overseas Corporation US (USA)

FR HR
3 records

P8861

Active

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

Pioneer Hi-Bred International Inc (US)/Pioneer Overseas Corporation (US)

ES FR
3 records

P8754

Active

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P8532

Active

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P8488

Terminated

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P8329

Active

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

PIONEER OVERSEAS CORPORATION US

FR PL
3 records

P82848

Active

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

PIONEER OVERSEAS CORPORATION

CZ NL
3 records

P8240

Active

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

PIONEER OVERSEAS CORPORATION

CZ PL
3 records

P8086

Active

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

PIONEER OVERSEAS CORPORATION

CZ NL
3 records

P8057

Active

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

PIONEER OVERSEAS CORPORATION US

FR NL
3 records

P7737

Active

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

PIONEER OVERSEAS CORPORATION

CZ NL
3 records

P7647

Active

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

PIONEER OVERSEAS CORPORATION

CZ NL
3 records

P1535

Active

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

PIONEER HI-BRED INT.INC/PIONEER OVERSEAS CORP.

ES HR
3 records

P1454

Active

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

Pioneer Hi-Bred International Inc (US)/Pioneer Overseas Corporation (US)

ES FR
3 records

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