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.

Zakari CS

Active

Brassica napus var. napus · Rapeseed

Caussade Semences S.A.

3 records

Yevropa

Active

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

Liubych Vitalii Volodymyrovych, Zabolotna Ivanna Romanivna, Iliuchenko Oleksandr Serhiiovych, Rusavskyi Vladyslav Leonidovych, Parii IUliia Oleksandrivna, Parii IAroslav Fedorovych, Zhekova Iryna Olehivna, Novak Zhanna Mykolaivna, Parii Myroslav Fedorovyc

3 records

ZP 260

Active

Zea mays L. · Maize

4 records

Yevro

Active

Helianthus annuus L. · Sunflower

Luk'ianchyk IUrii Ivanovych, Karpenko Oleksandr Oleksandrovych, Parii IUliia Oleksandrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych, Parii Fedir Mykytovych,

3 records

Zeta

Terminated

Allium cepa L. var. cepa · Onion

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

2 records

Yellowstone

Terminated

Phaseolus vulgaris L. · Common bean

KWS Vegetables Netherlands B.V.

3 records

Zagrebacka kristal ljetna

Active

Lactuca sativa L. · Lettuce

Agronomski fakultet Sveučilišta u Zagrebu, Zavod za povrćarstvo (HR)

3 records

X7p232

Active

Zea mays L. · Maize

PIONEER HI-BRED INT

2 records

X5n150

Active

Zea mays L. · Maize

PIONEER HI-BRED INT

2 records

XPB 247

Protection expired

Phaseolus vulgaris L. · Common bean

ASGROW SEED CO

3 records

ZP 434

Active

Zea mays L. · Maize

Maise Research Institute Zemun Polje (SB)

6 records

Wizard

Active

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

Wherry & Sons Ltd (GB)

3 records

Zagajnik

Active

Rubus L. subg. Rubus · Blackberry

Sadowniczy Zaklad Doswiadczalny Instytutu Ogrodnictwa Brzezna Sp z o.o.

4 records

Yuma

Terminated

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

HORTAG SEED CO.

2 records

Zhavir 290 MV

Active

Zea mays L. · Maize

Hontarovs`kyi Viacheslav Opanasovych, Kiiko Oleksandra Makarivna, Borysov Viktor Mykolaiovych,

3 records

Xl 380

Terminated

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

DEKALB PLANT GENETICS

2 records

White Magic

Active

Muscari · Grape hyacinth

Boltha B.V.

2 records

XB21F12

Active

Glycine max (L.) Merr. · Soybean

PIONEER HI-BRED INTERNATIONAL

2 records

Yellow California Wonder

Active

Capsicum annuum L. · Bell pepper

Pieterpik B.V.

2 records

X8m193

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

7 records

X5R707

Active

Zea mays L. · Maize

PIONEER HI-BRED INT

2 records

WestBred 881

Protection expired

Triticum durum Desf. · Durum wheat

Western Plant Breeders Inc.

2 records

Westa

Terminated

Festuca pratensis Huds. · Meadow fescue

Stacja Hodowli Roślin sp. z o.o. w Kowrozie

3 records

X1140R

Active

Zea mays L. · Maize

PIONEER HI-BRED INT

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.