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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.

Corneil

Active

Avena sativa L. · Oat

LEMAIRE DEFFONTAINES S.A.S.

FR
4 records

Dawn

Active

Lotus corniculatus L. · Bird's-foot trefoil

MISSOURI AGRIC.EXP.STATION (US)

FR
4 records

Darkibor

Active

Brassica oleracea L. (Curly kale Group) · Curly kale

BEJO ZADEN

NL
3 records

Dalena CLP

Terminated

Helianthus annuus L. · Sunflower

prof.Nina Nenova,prof.Galin Georgiev, prof.Valentina Encheva

BG
4 records

CL225HP

Active

Oryza sativa L. · Rice

HPR S.R.L.

IT
4 records

Dainiai

Terminated

Phleum pratense L. · Timothy grass

Lietuvos agrarinių ir miškų mokslų centro filialas Žemdirbystės institutas

LT
4 records

Cypros

Protection expired

Hordeum vulgare L. · Barley

HAO-DEMETER - Cereal Institute

GR
4 records

Chorale

Terminated

Pisum sativum L. · Pea

Sharpes International Seeds

ES
6 records

Curling

Active

Allium porrum L. · Leek

BEJO ZADEN

NL
4 records

Crown

Terminated

Pisum sativum L. · Pea

New Zealand Institute for Crop and Food Research Ltd

FR
4 records

Chervita

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
9 records

CRM22RJ

Active

Helianthus annuus L. · Sunflower

SEMILLAS CARGILL, S.A.

ES
4 records

Channi 1

Active

Lolium perenne L. · Perennial ryegrass

DLF B.V.

NL
5 records

ChEMPION UKRAINY

Active

Brassica napus var. napus · Rapeseed

Oliinyk IEvheniia Ivanivna, Boiko IEvheniia Illivna, Moroz Viktor Mykolaiovych,

UA
3 records

CL18

Active

Oryza sativa L. · Rice

ENTE NAZIONALE RISI

IT
4 records

Chaplin

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

DE
4 records

Couachi

Protection expired

Oryza sativa L. · Rice

Cirad-Ca Paris (FR)

FR
3 records

Celtiko

Active

Oryza sativa L. · Rice

INNOCENTI MAURO

IT
3 records

Crina F

Active

Glycine max (L.) Merr. · Soybean

DAVID IONICA

RO
4 records

Catone

Active

Triticum durum Desf. · Durum wheat

S.I.S. SOCIETA' ITALIANA SEMENTI

IT
4 records

Courtoise

Active

Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt

LEMAIRE DEFFONTAINES S.A.S.

BE
3 records

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