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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.

P8723

Active

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

1 record

P8521

Active

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

1 record

P1619

Active

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

1 record

Vespa

Terminated

Vicia faba L. var. major Harz · Broad bean

1 record

SY Neostar

Terminated

Helianthus annuus L. · Sunflower

1 record

Sandokan

Terminated

Avena sativa L. · Oat

1 record

Summerset

Active

Prunus avium (L.) L. · Sweet cherry

1 record

PR31G20

Terminated

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

1 record

ROLAN

Active

Ribes L. · Currants

1 record

Misato Red

Terminated

Raphanus sativus L. var. sativus · Radish

1 record

Tulceana

Terminated

Pisum sativum L. · Pea

1 record

Senga Rigana

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

1 record

MAS 85Txxx

Terminated

Helianthus annuus L. · Sunflower

1 record

Sadovo I

Terminated

Triticum aestivum L. · Bread wheat

1 record

R400MR

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

1 record

Mersereau

Active

Rubus idaeus L. x Rubus subg. Eubatus Focke

2 records

Roxane

Terminated

Raphanus sativus L. var. oleiformis Pers. · Oil radish

1 record

P9590

Active

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

1 record

P0725E

Terminated

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

1 record

Smarald

Terminated

Spinacia oleracea L. · Spinach

1 record

SBS001

Active

Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass

1 record

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