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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

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

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.

GIESSEN 209/1

Active

Prunus L. · Plum

HANNA SCHMIDT|WERNER GRUPPE

1 record

Fidahmabur

Terminated

Dahlia Cav. · Dahlia

Johanna G.H. van Haaster

1 record

GH 75

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Edward Vinson Ltd

2 records

Feldost 06

Terminated

Dimorphotheca ecklonis DC. · Trailing African daisy

Feldhaus & Co. KG

1 record

Hildiadian

Terminated

Limonium sinense (Girard) Kuntze · Chinese statice

HilverdaKooij B.V

1 record

Farao

Terminated

Zantedeschia Spreng. · Arum-lily

Sande B.V.

1 record

HGV02

Terminated

Calathea G.F.W. Mey. · Calathea

HANDELSKWEKERIJ GEBR. VALSTAR C.V.

1 record

HP224902

Application submitted

Hydrangea paniculata Siebold · Panicled hydrangea

Hydrangea Breeders Association B.V.

1 record

F99202

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

D.J. VAN DER HAVE B.V.

1 record

HFG B2008T

Application submitted

Rubus L. subg. Rubus · Blackberry

Ellen Thompson^^^Max Laddon

1 record

HF1

Application submitted

Cannabis sativa L. · Hemp

Health Farm S.r.l.

1 record

G14527

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Geoplant Vivai S.r.l. Società Agricola

2 records

EC PEPE 2501

Application submitted

Peperomia caperata Yunck. · Emerald ripple peperomia

Eden Collection B.V.

1 record

FYNLCDSTPE

Withdrawn

hybrids between Leucadendron conicum (Lam.) I. Williams and Leucadendron floridum R. Br.

Future Fynbos Pty. Ltd.

1 record

Holly Cot

Active

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

2 records

Eureka Seedless Lemon

Active

Citrus L. · Citrus

Agricultural Research Council - Institute for Tropical and Subtropical Crops (ARC-TSC)

1 record

Franny

Terminated

Pelargonium grandiflorum (Andrews) Willd. · Regal pelargonium

Fred Hendriks

1 record

Flora Red

Terminated

Gladiolus L. · Gladiolus

Coöperatieve Kwekersvereniging "For Ever" U.A.

1 record

FLOIMP03

Terminated

Impatiens walleriana Hook. f. · Busy Lizzie

FLORANOVA LTD

1 record

HFG B1902T

Application submitted

Rubus L. subg. Rubus · Blackberry

Ellen Thompson^^^Max Laddon

1 record

Eleonora

Terminated

Argyranthemum frutescens (L.) Sch. Bip. · Marguerite daisy

Roberta Venturo

1 record

FC15-173

Application submitted

Vaccinium corymbosum L. · Highbush blueberry

Peter Stefan Boches

1 record

Fannym

Terminated

Hippeastrum Herb. · Amaryllis

TON PETER VAN NIEUWKERK

1 record

F15ML1MA

Active

Helianthus annuus L. · Sunflower

SOLTIS S.A.S

1 record

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