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Variety traits

Plant height

Plant height is a key varietal trait that determines lodging resistance, suitability for mechanical harvesting, and potential yield. This indicator is genetically determined but manifests depending on environmental conditions and agronomic practices.

Mentioned in descriptions 20 560 varieties reference book.

Plant or bush height is a varietal parameter manifested as the physical size of the stem from the soil surface to its apex or the point of inflorescence attachment. In practice, this trait determines the resistance of crops to lodging under the influence of wind and precipitation, and also dictates technological cultivation requirements, such as the need for trellising, pruning, or the use of specific planting patterns.

Plant height depends on the genetic characteristics of the variety; however, it varies significantly under the influence of external factors, including soil fertility, nitrogen application rates, plant density, as well as weather conditions and the presence of stressors such as diseases and pests. Intensive short-stature varieties often possess a higher harvest index, which positively affects crop productivity.

Evaluation of height is conducted within the framework of variety trials according to regulated methodologies by measuring with a ruler during strictly defined crop development phases, for example, during heading, flowering, or before harvest. When analyzing varieties, consideration is given not only to the mean value in centimeters but also to the stability of the trait across different years, expressed through a coefficient of variation, which indicates the degree of genotype influence on plant development.

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.

HG 1416

Active

hybrids between Helleborus x ericsmithii B. Mathew and Helleborus x hybridus hort. ex Voss

Josef Heuger

2 records

KLECA17002

Withdrawn

Calibrachoa Cerv. · Calibrachoa

Klemm+Sohn GmbH &Co.KG

2 records

HER 1210

Active

hybrids between Helleborus x ericsmithii B. Mathew and Helleborus x hybridus hort. ex Voss

Josef Heuger

2 records

Aglaonema commutatum Schott x Aglaonema rotundum N.E.Br.

Kanchana Khemakongkanond

2 records

KLELE13407

Terminated

Lobelia erinus L. · Edging lobelia

Nils Klemm^^^Guido von Tubeuf

2 records

H217901

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

Keynote

Active

Phalaenopsis Bl. · Moth Orchid

Schoone Rene

2 records

Viola x wittrockiana Gams · Garden pansy

Priscilla Grace Kerley, David William Kerley, Timothy Edward Kerley

2 records

Petunia Juss. · Petunia

Priscilla Grace Kerley, David William Kerley

2 records

Campanula isophylla Moretti · Italian bellflower

Theodorus C.L. Ten Have

2 records

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

2 records

Chrysanthemum L. · Chrysanthemum

Sauvé-Guittet S.A.S.

2 records

Dianthus caryophyllus L. · Carnation

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Lena Thiede

2 records

Petunia x atkinsiana D. Don · Garden petunia

Priscilla Grace Kerley^^^David William Kerley^^^Sarah Elisabeth Kerley^^^Timothy Edward Kerley

2 records

Begonia x tuberhybrida Voss · Tuberous begonia

Timothy Edward Kerley^^^David William Kerley^^^Priscilla Grace Kerley^^^Sarah Elisabeth Kerley

2 records

Chrysanthemum L. · Chrysanthemum

Luc Pieters

2 records

Beaucarnea Lem.

FACHJAN B.V.

2 records

Hachcher

Active

Rhododendron L. · Azalea

Holger Hachmann

2 records

H223905

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

Gold Form

Withdrawn

Sedum rupestre L. · Reflexed stonecrop

Jared E. Hughes

2 records

Lysimachia christinae Hance

Richard Paul Clifton

2 records

Fuchsia L. · Fuchsia

Wolfram Götz

2 records

GM9309

Application submitted

Guzmania lingulata (L.) Mez · Drooping spike-guard

Chester Skotak Jr.

2 records

Begonia L. · Begonia

Nils Klemm^^^Silke Wagener

3 records

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