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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.

Szafir

Active

Linum usitatissimum L. · Common flax

PL
2 records

SY Chorintos

Active

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

CZ
2 records

SW Vaasa

Active

Avena sativa L. · Oat

FI
3 records

SW Nordpol

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

SE
2 records

Renatinio

Terminated

Zea mays L. · Maize

DE
2 records

Ratio

Active

Vicia faba L. · Broad bean

NL
3 records

Rambo

Terminated

Allium cepa L. var. cepa · Onion

NL
2 records

Rufuss

Active

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

CZ
3 records

Spidola

Active

Solanum tuberosum L. · Potato

LV
3 records

Rostello

Active

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

CZ
2 records

Salute

Active

Brassica napus var. napus · Rapeseed

CZ
3 records

Propora

Terminated

Festuca arundinacea Schreb. · Tall fescue

CZ
3 records

SO Lear

Active

Papaver somniferum L. · Opium poppy

SK
2 records

Smyrna

Active

Zea mays L. · Maize

SK
2 records

Somacorn

Active

Zea mays L. · Maize

HU
2 records

Primorka

Active

Triticum aestivum L. · Bread wheat

SI
2 records

Slavonija

Terminated

Triticum aestivum L. · Bread wheat

Poljoprivredni Institut Osijek, HR

HR
2 records

Prelat

Active

Allium porrum L. · Leek

DE
3 records

PR35T36

Active

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

HR
2 records

Posonium

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Presto

Active

Trifolium pratense L. · Red clover

CZ
3 records

Shirina

Active

Capsicum annuum L. · Bell pepper

DE
2 records

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