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.
Zea mays L. subsp. mays (Maize Group) · Maize
LES GOURGUES-G-CARGILL
Solanum lycopersicum L. · Tomato
Harmoniz
x Triticosecale Wittm. ex A. Camus · Triticale
Panchenko Ivan Arkhypovych, Bosiuk Olena Oleksandrivna, Chernobaba Raisa Andriivna, Riabchun Nataliia Ivanivna, Suvorova Kateryna IUriivna, Shcypak Hennadii Vasylovych,
Ribes rubrum L. · Redcurrant
Sherenhovyi Vitalii Petrovych, Silenko Volodymyr Oleksandrovych, Sherenhovyi Petro Zakharovych,
Tulipa L. · Tulip
W. van Lierop & Zonen B.V.
Chrysanthemum x morifolium Ramat. · Florist's daisy
Challet Herault Creation
Fritillaria imperialis L. · crown imperial
V.O.F. de Keizerskroon
Tulipa L. · Tulip
Mastenbroek Breeding Rights B.V./Vriend Cultures B.V.
Zea mays L. · Maize
Ivica Ikic
Zea mays L. · Maize
Procera Agrochemicals Romania SRL
Vicia faba L. var. equina St.-Amans · Horse bean
DR WERNER HORN
Chrysanthemum indicum L. · Indian chrysanthemum
FIDES BEHEER BV (NL)
Triticum aestivum L. · Bread wheat
Lemaire Deffontaines (FR)
Zea mays L. · Maize
Daniel Shkoro
Tulipa L. · Tulip
Vertuco B.V.
Oryza sativa L. · Rice
FARMS OF TEXAS CO.
Triticum L. · Wheat
DAUDU JEAN MICHEL
Triticum aestivum L. · Bread wheat
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Paeonia L. · Peony
Horobets Vasyl Fedorovych
Festuca pratensis Huds. · Meadow fescue
Deutsche Saatveredelung AG - DSV (DE)
Beta vulgaris Sugar Beet Group · Sugar beet
Vlasiuk Mykola Vitaliiovych, Vlasiuk Ivan Vitaliiovych, Vlasiuk Vitalii Ivanovych, Lytvyniuk Volodymyr Viktorovych, Kulik Oleksandr Heorhiiovych, Roik Mykola Volodymyrovych,
Tulipa L. · Tulip
Hobaho B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
CARGILL
Brassica juncea (L.) Czern. · Brown mustard
Klymchuk Mykola Mykolaiovych, Mazur Valerii Oleksandrovych, Kharuk Ihor Dmytrovych, Matviichuk Viktor Semenovych, Klymchuk Mykola Mykolaiovych,