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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.

Lgr16

Terminated

Helianthus annuus L. · Sunflower

LIMAGRAIN GENETICS GRANDES CULTURES

1 record

FS5582B

Terminated

Helianthus annuus L. · Sunflower

MONSANTO TECHNOLOGY

1 record

Stine 14H02

Terminated

Glycine max (L.) Merr. · Soybean

Justin Mason

UA
2 records

LG5479HO

Withdrawn

Helianthus annuus L. · Sunflower

Limagrain Europe, FR

FR
1 record

Kh 4413 V

Active

Helianthus annuus L. · Sunflower

Cuprun Oleh Hryhorovych, Udovichenko Anna IUriivna, Shepilov Borys Petrovych, Andriienko Viktor Valentynovych, Leonova Nina Mykolaivna, Kuzmyshena Nadiia Viktorivna, Kolomatska Valeriia Pavlivna, Syvenko Valentyna Ivanivna, Makliak Kateryna Mykolaivna, Ky

UA
1 record

PH 505 B

Terminated

Helianthus annuus L. · Sunflower

Pannar Seed Ltd (GB)

FR
1 record

UR 26 SV

Active

Zea mays L. · Maize

Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,

UA
2 records

Kh 1316 V

Terminated

Helianthus annuus L. · Sunflower

Leonova Nina Mykolaivna, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

UA
2 records

Mladenka

Protection expired

Triticum aestivum L. · Bread wheat

HR SI
3 records

Blanca

Protection expired

Phacelia tanacetifolia Benth. · Lacy phacelia

HR SI
2 records

Garisenda

Active

Medicago sativa L. · Alfalfa

IT
2 records

Andrea

Terminated

Triticum aestivum L. · Bread wheat

HR
2 records

Kilta

Terminated

Hordeum vulgare L. · Barley

2 records

Mila 400

Terminated

Zea mays L. · Maize

SK
1 record

Ninfea

Terminated

Zea mays L. · Maize

IT
1 record

DKC3906

Active

Zea mays L. · Maize

UA
2 records

EX3742

Withdrawn

Zea mays L. · Maize

UA
2 records

Kriks

Withdrawn

Zea mays L. · Maize

HU
1 record

Vedetta

Active

Gladiolus L. · Gladiolus

NL
1 record

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