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.

Transilvania

Terminated

Solanum tuberosum L. · Potato

BOZESAN ION

2 records

Thurro YG

Terminated

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

LIMAGRAIN VERNEUIL HOLD.

2 records

Tamigi

Active

Zea mays L. · Maize

ASGROW SEED COMPANY

3 records

Tedi

Terminated

Pisum sativum L. · Pea

Siyka Angelova, Yana Guteva

4 records

Tal Tal

Protection expired

Gladiolus L. · Gladiolus

Cohen Avner

2 records

Texan

Terminated

Capsicum annuum L. · Bell pepper

HORTAG SEED CO.

2 records

Topas øtofte

Terminated

Phleum pratense L. · Timothy grass

FDB, ALBERTSLUND & DLF, ROSKILDE

2 records

Tanryrandy

Protection expired

Rosa L. · Rose

TANTAU NACH| Rosen Tantau KG

2 records

Szegedi SC 271

Active

Zea mays L. · Maize

Pinter Zoltan / Kalman Laszlo / Szel Sandor / Devenyi Karolyne / Fotos Janosne dr. Kadar Katalin / Varga Laszlone

3 records

Tangenta

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. O. Sass

3 records

SY Sandro

Active

Zea mays L. · Maize

Syngenta participation AG

3 records

Tissandre

Protection expired

Linum usitatissimum L. · Common flax

Cooperative Liniere de Fontaine Cany (FR)

2 records

Symetria

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

4 records

Tador

Protection expired

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

Northrup King Semences SA (FR)

3 records

Tactic

Active

Brassica napus L. · Rapeseed

Syngenta Crop Protection AG

3 records

Teknosol

Active

Helianthus annuus L. · Sunflower

MONSANTO TECHNOLOGY

3 records

SY Freyja

Active

Zea mays L. · Maize

Syngenta Crop Protection AG

2 records

SYCR90

Active

Oryza sativa L. · Rice

SICHUAN ACADEMY OF AGR.

2 records

SY Blade

Active

Zea mays L. · Maize

Syngenta Crop Protection AG

2 records

SY Batanga

Terminated

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

Syngenta Crop Protection AG, CH

2 records

T9903

Active

Phaseolus vulgaris L. · Common bean

John Cowan

3 records

SY Arioso

Active

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

Syngenta Crop Protection AG, CH

2 records

Tilly

Terminated

Begonia x hiemalis Fotsch · Elatior Begonia

GEVERINCK| Ronald Geverinck

2 records

Taxi

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

FRAUEN| Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / SASS| Dr. O. Sass

3 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845
Winter hardiness 27 261

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.