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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.

PR36T24

Protection expired

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

PIONEER OVERSEAS CORPORATION US

FR
2 records

PR36R11

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR35R16

Terminated

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

Pioneer Hi-Bred International Inc (US)

FR
2 records

PR35F38

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

HR
2 records

PR35A52

Protection expired

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

Pioneer Hi-Bred International Inc (US)

FR
2 records

PR34N43

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

HR
2 records

PR34H31

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

HR
2 records

PR34D71

Terminated

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

Pioneer Hi-bred International Inc. (USA)

HR
2 records

PR34B39

Active

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

Pioneer Hi-Bred International Inc (US)

FR
2 records

PR33Y72

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR33D48

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR33A46

Terminated

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

Pioneer Hi-Bred Int., INC. (USA)

HR
2 records

PR32W04

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR32T83

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR32B41

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR31P41

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR31N28

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

PR31D24

Terminated

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

Pollawax

Terminated

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

Maisadour Semences, FR

FR
2 records

Plauto

Terminated

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

DEKALB PLANT GENETICS

ES
2 records

Plácido YG

Terminated

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

MONSANTO TECHNOLOGY

ES
2 records

Pixxia

Terminated

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

R 2n (FR)

FR
3 records

Piorun

Terminated

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
3 records

P9915

Active

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

Pioneer Overseas Corporation US (USA)

HR
2 records

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