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.
Rosa L. · Rose
W. Vreugdenhil
Rubus idaeus L. · Red raspberry
The James Hutton Institute
Pisum sativum L. · Pea
Paul Degreef
Helianthus annuus L. · Sunflower
Thierry Andre
Pisum sativum L. · Pea
WAVEREN| van Waveren Saaten GmbH
Secale cereale L. · Rye
Danko Hodowla Roslin Sp. Zo.o., Pl- 64-000 Koscian
Secale cereale L. · Rye
KWS Lochow
Avena sativa L. · Oat
Nordsaat Saatzucht GmbH, D-38895 Langenstein, OT Bohnshausen
Triticum aestivum L. · Bread wheat
Pierre GARRAUD
Hordeum vulgare L. · Barley
KWS Lochow
Secale cereale L. · Rye
Peer Wilde^^^Brigitta Schmiedchen^^^Jutta Menzel
Hordeum vulgare L. · Barley
KWS Lochow
Triticum aestivum L. · Bread wheat
Strube, D
Zea mays L. · Maize
RAGT 2N S.A.S
Hordeum vulgare L. · Barley
KWS Lochow
Avena sativa L. · Oat
Nordsaat Saatzuchtgesellschaft m.b.H. (DE)
Triticum aestivum L. · Bread wheat
Nickerson International Research SNC, F
Hordeum vulgare L. · Barley
Institute of Agricultural Resources and Economics, Stende Research Centre, "Dizzemes", Dizstende
Helianthus annuus L. · Sunflower
LIDEA FRANCE SAS
Glycine max (L.) Merr. · Soybean
Patrice Jeanson
Helianthus annuus L. · Sunflower
Ragt 2n, F
Pisum sativum L. · Pea
TREVOR COPE SEEDS LIMITED
Hordeum vulgare L. · Barley
KWS LOCHOW GMBH, DE
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION