Ossk 661 B
Protection expiredZea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Variety traits
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.
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.
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Zea mays L. subsp. mays (Maize Group) · Maize
Orsem Hybrides (FR)
Lactuca sativa L. · Lettuce
BLUMEN GROUP S.P.A
Zea mays L. · Maize
CREA- CENTRO DI RICERCA PER LA CEREALICOLTURA (CREA-CI-BG) / FONDAZIONE MORANDO BOLOGNINI / VENTUROLI SEMENTI S.R.L.
Phaseolus vulgaris L. · Common bean
SEMILLAS FITO, S.A.
Solanum tuberosum L. · Potato
Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Poljoprivredni Institut Osijek, HR
Gossypium hirsutum L. · Upland cotton
HAO-DEMETER Cotton and Industrial Crops Institute
Cucumis sativus L. · Cucumber
Robson Corporation
Cucurbita pepo L. · Field pumpkin
ISI SEMENTI SPA
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Zea mays L. · Maize
Delley Seeds and Plants
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Capsicum annuum L. · Bell pepper
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Pisum sativum L. · Pea
SACCARDO FRANCO / SANTINI GUGLIELMO / VITALE POMPEO
Trifolium pratense L. · Red clover
Malopolska Hodowla Roslin Spolka z o.o.
Lactuca sativa L. · Lettuce
Graines Gautier SA (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Zea mays L. subsp. mays (Maize Group) · Maize
Poljoprivredni Institut Osijek, HR
Lactuca sativa L. · Lettuce
Vilmorin-Mikado SAS (FR)
Tulipa L. · Tulip
Tomorrow's Tulips B.V.
Raphanus sativus L. var. sativus · Radish
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.