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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.

Kneja 598

Terminated

Zea mays L. · Maize

I. Genova, M. Genov, D. Ilchovska, V. Konovska, V. Pelovska

BG
2 records

Zea mays L. · Maize

Maize Research Institute - Kneja (BG)

BG
2 records

Zea mays L. · Maize

Maize Research Institute - Kneja (BG)

BG
2 records

KM 2150

Active

Zea mays L. · Maize

Shabatko Oleksii Oleksiiovych, Karunnyi Vitalii IUriiovych,

UA
2 records

Zea mays L. · Maize

Stefan Valchinkov, Penka Valchinkova

BG
2 records

KLP 25 V

Active

Helianthus annuus L. · Sunflower

Hostiev IEvhen IUriiovych

UA
2 records

Zea mays L. · Maize

Nikola Brusnyashki, D. Ilchovska

BG
2 records

Zea mays L. · Maize

Nataliya Petrovska

BG
2 records

Zea mays L. · Maize

Maize Research Institute - Kneja (BG)

BG
2 records

Kneja 515

Terminated

Zea mays L. · Maize

I. Genova, M. Genov, D. Ilchovska

BG
1 record

Kneja 465

Withdrawn

Zea mays L. · Maize

Maize Research Institute - Kneja (BG)

BG
1 record

Kneja 459

Application submitted

Zea mays L. · Maize

Maize Research Institute - Kneja (BG)

BG
1 record

Medicago sativa L. nothosubsp. varia (Martyn) Arcang. · Bastard Medic

Sliusar Serhii Mykolaiovych, Ostapets Tamara Anatoliivna, Povydalo Mariia Vasylivna, Koriahin Oleksii Mykhailovych,

UA
2 records

Kobzar

Terminated

Paeonia L. · Peony

Horobets` Vasyl` Fndorovych

UA
2 records

KM-GYOENGY

Terminated

Medicago sativa L. · Alfalfa

Nagy Bela / Ficsor Jozsef / Bech Lajosne

HU
1 record

Kvitoslava

Application submitted

Triticum aestivum L. · Bread wheat

Nychyporuk Olena, Shcypak Hannadii, Shcypak Vasyl, Kuts Roman

UA
2 records

KXC0385

Withdrawn

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
1 record

KXB3476

Withdrawn

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

KWS Saat AG, DE

HR
1 record

KXB1491

Withdrawn

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

KWS SAAT SE & CO.KGAA

ES
1 record

Kniazhna

Terminated

Glycine max (L.) Merr. · Soybean

Kolisnyk Serhii Ivanovych, Temchenko Inna Viktorivna, Babych Anatolii Oleksandrovych, Petrychenko Vasyl Florovych, Ivaniuk Serhii Vasyl`ovych,

UA
2 records

Kwatro

Terminated

Raphanus sativus L. var. oleiformis Pers. · Oil radish

BAUKLOH| Dr. Hans Baukloh in Fa. KWS SAAT AG

DE
2 records

KXA4574

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
1 record

Kurant

Withdrawn

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

Malopolska Hodowla Roslin Spolka z o.o.

PL
2 records

Solanum tuberosum L. · Potato

Siharova Dina Dmytrivna, Panasiuk Oleksandr Vasyl`ovych, Sadivs`kyi Myron Vasyl`ovych, Lischak Ivan Oleksiiovych, Loik Mariia Vasylivna, Zaviriukha Petro Danylovych, Tymoshenko Ivan Ivanovych, Snityns`kyi Volodymyr Vasyl`ovych,

UA
3 records

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