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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.

Promise

Active

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

Limagrain Europe s.a.

FR NL
2 records

PRO Bingo

Active

Glycine max (L.) Merr. · Soybean

Protealis NV

BE PL
2 records

RH23020

Active

Zea mays L. · Maize

Stephane Melkior

IT UA
3 records

Regina

Active

Allium cepa L. · Onion

Semenarna Ljubljana, SI

IT SI
2 records

PT305

Active

Brassica napus L. · Rapeseed

Jean-Claude Pruvot

RO UA
3 records

PR44Y84

Active

Brassica napus L. · Rapeseed

Rob Wilson

SK UA
2 records

Pontiroy

Terminated

Pisum sativum L. · Pea

Royal Sluis Vegetables BV (NL)

FR NL
2 records

PR39K24

Active

Zea mays L. · Maize

Pioneer Overseas (US)

SI
2 records

Radi

Terminated

Trifolium repens L. · White clover

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

NL PL
2 records

PR31B76

Withdrawn

Zea mays L. · Maize

PIONEER HI-BRED INT

IT PT
3 records

Ph1wo

Terminated

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

HU
2 records

PRO Dinara

Active

Glycine max (L.) Merr. · Soybean

Protealis NV

BE PL
3 records

Pewi

Terminated

Avena sativa L. · Oat

Lochow Petkus GmbH (DE)

DE HR
3 records

Pelly

Terminated

Trifolium pratense L. · Red clover

SVERIGES UTSÄDESFÖRENING SVALÖF

DK SE
4 records

Pr811f

Active

Sorghum bicolor (L.) Moench · Sorghum

PIONEER HI-BRED INT

IT
3 records

P21416

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT
2 records

P1636

Terminated

Zea mays L. · Maize

PIONEER HI-BRED INT

IT
2 records

Placido

Withdrawn

Lolium x hybridum Hausskn. · Hybrid ryegrass

Deutsche Saatveredelung AG - DSV (DE)

DK FR
2 records

Opulo

Active

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

KWS SAAT SE & CO.KGAA

FR NL
2 records

Plomel

Terminated

Gladiolus L. · Gladiolus

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR NL
2 records

P03376

Active

Zea mays L. · Maize

PIONEER HI-BRED INT. INC, PIONEER OVERSEAS CORPORATION,

IT
2 records

Pascaleen

Active

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

LIMAGRAIN EUROPE

PL
2 records

Piton

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Florist De Kwakel B.V. Gerbera Kulturen

HU PL
2 records

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