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.
Brassica napus L. · Rapeseed
LIDEA FRANCE SAS
Brassica napus var. napus · Rapeseed
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG
Zea mays L. · Maize
Südwestdeutsche Saatzucht GmbH&Co.KG
Triticum aestivum L. · Bread wheat
Deutsche Saatveredelung AG., Lippstadt DE
Allium cepa L. · Onion
UNWINS SEEDS LTD
Zea mays L. subsp. mays (Maize Group) · Maize
LIDEA FRANCE SAS
Zea mays L. · Maize
LIDEA FRANCE SAS
Zea mays L. subsp. mays (Maize Group) · Maize
SAATBAU LINZ EGEN
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Europe, FR
Allium cepa L. var. cepa · Onion
Van der Have B.V.
Zea mays L. · Maize
MULLER| J.P. Muller c/o Maiszuchtstation Ciba-Geigy Semences
Tulipa L. · Tulip
Veredeling van Tuinbouwgewasse
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Zea mays L. · Maize
SAATBAU LINZ EGEN
Zea mays L. · Maize
LIMAGRAIN EUROPE S.A.S. (LG Europe-Research) Biopole Clermont-Limagne
Zea mays L. · Maize
Marcel Bourrier
Triticum aestivum L. · Bread wheat
Wiersum Plantbreeding B.V.
Zea mays L. · Maize
Rainer Leipert
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Europe, dept. Recherche
Zea mays L. · Maize
Syngenta Crop Protection AG
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG, CH
Zea mays L. · Maize
SAATBAU LINZ EGEN
Allium cepa L. var. cepa · Onion
Bejo Zaden B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG, CH