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.

Vendevil

Terminated

Pisum sativum L. · Pea

Vilmorin SA (FR)

2 records

Variegata di Adria

Active

Cichorium intybus L. · Chicory

PUBBLICO DOMINIO

1 record

Vėlinta

Withdrawn

Dactylis glomerata L. · Cocksfoot

Lietuvos agrarinių ir miškų mokslų centro filialas Žemdirbystės institutas

1 record

Velteliner rouge précoce

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

VI45A

Active

Helianthus annuus L. · Sunflower

Sliesarenko Volodymyr Illich, Scherban` Serhii Vasyl`ovych,

2 records

Vedruska

Active

Solanum tuberosum L. · Potato

Mel`nyk Pavlo Oleksiiovych, Tymko Liudmyla Volodymyrivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Andriienko Tetiana Mykhailivna, Tymko Mykola Hryhorovych, Sydorchuk Vasyl Ivanovych,

2 records

Vesnianka

Terminated

Triticum aestivum L. · Bread wheat

Chebakov Mykola Petrovych, Shelepov Volodymyr Vasyl`ovych, Zhyvotkov Leonid Oleksandrovych, Vlasenko Volodymyr Anatoliiovych, Ulich Oleksandr Leonidovych, Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych,

1 record

Vasyl`kivs`ka

Active

Glycine max (L.) Merr. · Soybean

Sichkar V'iacheslav Ivanovych, Shcerbyna Olena Zinoviivna, Romaniuk Lidiia Serhiivna, Mykhailov V'iacheslav Hryhorovych, Morhun Volodymyr Vasylovych, Mar'iushkin Vasyl` Fedorovych,

1 record

Valkiriia

Active

Triticum aestivum L. · Bread wheat

Ponomarova Olha Serhiivna, Tokar Oleksandr Petrovych, Zaitsev Oleksii Borysovych,

2 records

Vyshyvanka

Terminated

Lactuca sativa L. var. crispa L. · Leaf lettuce

Kondratenko Serhii Ivanovych, Kasian Oleksandr Ivanovych, Pozniak Oleksandr Vasylovych, Chaban Lesia Vasylivna,

2 records

Viernyie Druz`ia F1

Terminated

Cucumis sativus L. · Cucumber

Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,

1 record

Vakariai

Protection expired

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Vaja Vir

Withdrawn

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Florist De Kwakel B.V. Gerbera Kulturen

1 record

Volia

Terminated

Solanum tuberosum L. · Potato

Sihar`ova D.D., Holets` IEvhen Vasyl`ovych, Konovaliuk Mykhailo Hryhorovych, Sadivs`kyi Myron Ivanovych, Loik Mariia Vasylivna, Maischuk Zinovii Mykolaiovych, Lischak Ivan Oleksiiovych, Zaviriukha Petro Danylovych, Tymoshenko Ivann Ivanovych, Snityns`kyi

1 record

Vnuchka

Terminated

Malus domestica (Suckow) Borkh. · Apple

Homeniuk Svitlana Viktorivna, Chupryniuk Viktor IAkovych,

2 records

Vesta

Terminated

Solanum lycopersicum L. · Tomato

Tezier SA (FR)

2 records

V2026Z

Terminated

Zea mays L. · Maize

Eckhard Holzhausen

2 records

V 510 zs

Active

Zea mays L. · Maize

Melnyk Taras Vitaliiovych, Melnyk Vitalii IAkovych,

2 records

UTP Filharmonia

Active

Chrysanthemum x morifolium Ramat. · Florist's daisy

Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich

1 record

UR 44 SV

Terminated

Zea mays L. · Maize

Boreiko Vasyl` Sydorovych

2 records

Vival

Active

Valeriana officinalis L. · Common valerian

Dr. Bernd Büter

1 record

UR 8 zS

Terminated

Zea mays L. · Maize

Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,

2 records

UNK 0629S

Active

Zea mays L. · Maize

Tovarystvo z obmezhenoiu vidpovidalnistiu "UNI KORN"

2 records

Vit Jätte

Terminated

Ribes niveum Lindl. · Snow gooseberry

Truedsson, Åke

1 record

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Variety traits

Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845
Winter hardiness 27 261

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.