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.
Hordeum vulgare L. · Barley
Lantmännen SW Seed
Hordeum vulgare L. · Barley
Secobra Recherches, FR
Medicago sativa L. · Alfalfa
S. A. FLORIMOND DESPREZ VEUVE ET FILS
Daucus carota L. · Carrot
SEMO a.s
x Triticosecale Wittm. ex A. Camus · Triticale
Saatzucht Donau GmbH & Co.KG
Zea mays L. · Maize
Miloslav Masnica
Triticum aestivum L. · Bread wheat
Vija Strazdina (50%), Maija Ceraukste (30%), Mara Bleidere (20%), SPP State Stende Cereals Breeding Institute
Phleum pratense L. · Timothy grass
JOORDENS| Ir. Marc Joordens
Triticum aestivum L. · Bread wheat
Saatzucht Donau GmbH & Co.KG
Helianthus annuus L. · Sunflower
Saaten Union Romania SRL
Linum usitatissimum L. · Common flax
Laboulet Semences, FR
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER RESEARCH B.V.
Triticum durum Desf. · Durum wheat
ISC
Brassica napus var. napus · Rapeseed
Saatzucht Donau GmbH & Co.KG
Cucurbita pepo L. · Field pumpkin
Sakata Seed Corporation
Hordeum vulgare L. · Barley
Reino Aikasalo, Boreal Plant Breeding Ltd
Alopecurus pratensis L. · Meadow foxtail
TAGRO Červený Dvůr, spol. s r.o. (CZ)
Triticum durum Desf. · Durum wheat
Saatzucht Donau GmbH & Co.KG
Zea mays L. · Maize
SYNGENTA FRANCE S.A.S.
Triticum durum Desf. · Durum wheat
Syngenta Seeds SAS, FR
x Triticosecale Wittm. ex A. Camus · Triticale
Florimond Desprez Veuve et Fils, FR
Hordeum vulgare L. · Barley
SECOBRA RECHERCHES S.A.S
Medicago sativa L. · Alfalfa
ULSTAR - Handel-Pośrednictwo-Usługi Lucjan Staszewski
Hordeum vulgare L. · Barley
Löhde Jörgen