Grekau
ActiveTriticum aestivum L. · Bread wheat
Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Variety traits
Lodging is the displacement of stems from a vertical position or their breakage caused by root or stem factors. It is a critical variety trait that directly affects yield losses and harvesting efficiency.
Mentioned in descriptions 50 198 varieties reference book.
Lodging is a deviation of plants from a vertical position, which is categorized into root lodging and stem lodging. In the first case, tilting occurs due to weak root anchorage in the soil, while in the second, the stem bends or breaks due to insufficient straw strength under the load of the ear mass or stand density.
Lodging resistance is evaluated during state variety trials visually on a five-point scale before harvest, where high scores correspond to high resistance, and low scores to a tendency for crop collapse. Additionally, methods for measuring stem flexibility and calculating bending strength are employed.
This variety trait depends on the interaction between the genotype and growing conditions. Genetic resistance is determined by the presence of semi-dwarf genes, straw diameter, the strength of anatomical tissues, and lignin content, whereas external factors include nitrogen nutrition, seeding rate, and weather 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.
Triticum aestivum L. · Bread wheat
Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Pisum sativum L. · Pea
Poznanska Hodowla Roslin Sp. z o.o
Hordeum vulgare L. · Barley
Lietuvos agrarinių ir miškų mokslų centras
x Triticosecale Wittm. ex A. Camus · Triticale
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Triticum aestivum L. · Bread wheat
K. Kostov, A. Karaivanov, I. Panayotov, I. Todorov, N. Tsenov, I. Stoeva, I. Iliev, V. Kiryakova, T. Petrova
Triticum aestivum L. · Bread wheat
K. Kostov, A. Karaivanov, I. Panayotov, I. Todorov, N. Tsenov, I. Stoeva, I. Iliev, V. Kiryakova, T. Petrova
Lilium L. · Lily
GEBR VLETTER and DEN HAAN
Helianthus annuus L. · Sunflower
CST(CLUB SELECT.TOURNESOL
Avena nuda L. · Naked oat
ABERYSTWYTH UNIVERSITY (GB)
Lolium perenne L. · Perennial ryegrass
ZWAAN & DE WILJES
Helianthus annuus L. · Sunflower
LABOULET SEMENCES
Brassica napus var. napus · Rapeseed
LAMMERS SEED OPTIONS
Triticum aestivum L. · Bread wheat
Pauk Janos / Kertesz Zoltan / Matuz Janos / Barabas Zoltan / Pusztai Istvanne / Beke Bela / Oltvanyi Sandorne
Triticum aestivum L. · Bread wheat
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Agri-Obtentions S.A.
Hordeum vulgare L. · Barley
Mihaly Robert / Bona Lajos / Palagyi Andras / Purgel Szandra / Ban Andrasne / Becsey Magdolna
Brassica napus var. napus · Rapeseed
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Triticum aestivum L. · Bread wheat
VILMORIN-ANDRIEUX (FR)
Zea mays L. · Maize
WOODSTOCK KFT
Lolium perenne L. · Perennial ryegrass
DLF Seeds, s.r.o., CZ
Triticum aestivum L. · Bread wheat
Cseuz Laszlo / Bona Lajos / Pauk Janos / Fonad Peter / Ovari Judit / Papp Maria / Beke Bela / Purnhauser Laszlo
Solanum tuberosum L. · Potato
Zsolt Géza Polgár
Hordeum vulgare L. · Barley
Danko Hodowla Roslin Sp.z.o.o.
x Triticosecale Wittm. ex A. Camus · Triticale
Danko Hodowla Roslin Sp.z.o.o.
Helianthus annuus L. · Sunflower
Martin Ganssmann