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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

Found in these crops

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.

Monarda didyma L. · Bee balm

Oudshoorn Hubertus Gerardus

4 records

Rosa L. · Rose

Poulsen Roser A/S

6 records

Profusion Orange

Protection expired

Zinnia L. · Zinnia

Sakata Seed Corporation (SCC)

4 records

Pollux

Active

Glycine max (L.) Merr. · Soybean

Claude-Alain Bétrix

5 records

Baptisia Vent. · Wild indigo

Hansen Hans A

4 records

Rosa L. · Rose

Poulsen Roser A/S

5 records

Brunnera macrophylla (Adams) I. M. Johnst. · Siberian bugloss

Hansen Hans A

4 records

Primono

Active

Ononis alopecuroides L. · Salzmann's restharrow

Uri Kushnir

7 records

Ph1ca

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

4 records

Ph11t4

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

5 records

Phbg4

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

6 records

PH890

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

4 records

PH4CV

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

4 records

PH2VK

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

6 records

Ph48v

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

5 records

NCMS2B

Active

Miscanthus sinensis Andersson · Chinese silver grass

Thomas G. Ranney^^^Darren H. Touchell

4 records

NCHA2

Active

Hydrangea arborescens L. · Smooth hydrangea

Thomas G. Ranney

5 records

Gypsophila paniculata L. · Baby's-breath

M.D. Gypsophila Breeding Ltd

4 records

Dahlia Cav. · Dahlia

VAN RUITEN J

4 records

Milan

Active

Heuchera L. · Coral Flower

Janet N. Egger

4 records

Rosa L. · Rose

MEILLAND STAR ROSE S.A.

4 records

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