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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.

Trebbia

Terminated

Pisum sativum L. · Pea

IT
2 records

Savinka

Active

Helianthus annuus L. · Sunflower

UA
2 records

Sarolta

Active

Setaria italica (L.) P. Beauv. · Foxtail millet

HU
2 records

Saanich

Active

Rubus idaeus L. · Red raspberry

NL
4 records

Sancino

Active

Oryza sativa L. · Rice

IT
2 records

TN 90

Protection expired

Nicotiana tabacum L. · Tobacco

HU
2 records

Sorin

Active

Avena sativa L. · Oat

RO
2 records

TIRRANO

Active

x Triticosecale Wittm. ex A. Camus · Triticale

DK
2 records

Snow White

Active

Papaver somniferum L. · Opium poppy

SK
2 records

Rožnovský

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

CZ
2 records

Ruzydur

Active

Triticum durum Desf. · Durum wheat

CZ
3 records

Rumelia

Active

Solanum tuberosum L. · Potato

SK
3 records

Tarkus

Terminated

Triticum aestivum L. · Bread wheat

DE
2 records

Rondino

Terminated

Daucus carota L. · Carrot

NL
3 records

Roncolo

Terminated

Oryza sativa L. · Rice

IT
2 records

Talisco

Active

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

CZ
2 records

Taberna

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

NL
2 records

Szimfónia

Terminated

Brassica napus var. napus · Rapeseed

HU
3 records

Rosadonna

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

NL
2 records

Rodeo

Terminated

Triticum durum Desf. · Durum wheat

IT
2 records

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