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Variety traits

Lodging

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.

Sources10

Breakdown by crop

Maize Lodging 2 626 Lodging — soft wheat 1 845 Lodging in barley 1 189 Sunflower lodging 1 035 Maize Lodging 963 Lodging in oilseed rape 767 Pea lodging 539 Lodging — soybean 455 Triticale lodging 374 Lodging in oats 309 Rapeseed lodging 296 Lodging — durum wheat 288 Lodging — Rye 252 Tulip Topple 245 Rice lodging 206 Lodging — Perennial ryegrass 159 Bean lodging 158 Lily lodging 146 Sorghum Lodging 143 Lodging — Sugar Beet 128 Alfalfa lodging 116 Lodging in Hydrangea macrophylla 114 Lodging — Sweet Corn 113 Lodging in Flax 112

Found in these crops

Maize 2 635 Bread wheat 1 850 Barley 1 187 Sunflower 1 034 Maize 966 Rapeseed 763 Pea 543 Soybean 454 Triticale 376 Oat 310 Rapeseed 296 Durum wheat 287

Varieties that feature this in their description

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.

Ruralim

Application submitted

Asparagus officinalis L. · Asparagus

Limgroup B.V.

NL
4 records

Rusałka

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
5 records

RS Rutheo

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

Rumega

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

Rubillion

Active

Allium cepa L. var. cepa · Onion

TAKII EUROPE B V

NL
4 records

Rozamax

Active

Solanum lycopersicum L. · Tomato

Tzvetelin Yankow, "Florian" OOD

BG
3 records

Sandanski 144

Terminated

Nicotiana tabacum L. · Tobacco

Iliya K. Popivanov

BG
2 records

Ruivi

Terminated

Dahlia Cav. · Dahlia

Dahli Trade B.V.

NL
2 records

Ruby Prince

Active

Tulipa L. · Tulip

J.A.Borst Bloembollen B.V.

NL
3 records

Rosso

Active

Triticum aestivum L. · Bread wheat

SAATZUCHT DONAU GES.M.B.H. & COKG

AT
2 records

Rubin

Active

Triticum aestivum L. · Bread wheat

Kärntner Saatbau e.Gen.

AT
2 records

Rosario

Active

Pisum sativum L. · Pea

Výzkumné Centrum Selton s.r.o., Selgen A.S.

CZ
4 records

Rocxi CS

Terminated

Zea mays L. · Maize

CAUSSADE SEMENCES

IT
2 records

Ronin

Active

Zea mays L. · Maize

Parii Myroslav Fedorovych, Parii IAroslav Fedorovych

UA
3 records

Ronit

Protection expired

Gladiolus L. · Gladiolus

S.N.C. Meilland & Cie

NL
2 records

Rodeo

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Nickerson International Research SNC (FR)

FR
2 records

Roki 2

Active

Triticum aestivum L. · Bread wheat

Ivan Panayotov

BG
2 records

Rinner Winterweizen

Active

Triticum aestivum L. · Bread wheat

Amt der Tiroler Landesregierung

AT
2 records

Roksi

Active

Zea mays L. · Maize

Melnyk Taras Vitaliiovych, Melnyk Vitalii IAkovych,

UA
3 records

RMQC11693B

Active

Brassica napus var. napus · Rapeseed

Mas Seeds S.A.S.

UA
3 records

Rumboso

Active

x Triticosecale Wittm. ex A. Camus · Triticale

AGROVEGETAL, S.A.

ES
3 records

Roc

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Domaine Public (FR)

FR
2 records

Riđan

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Bc Institut d.d. Zagreb (HR)

HR
2 records

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