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Pests

Barley nematodes

Hordeum vulgare L.

The main pathogens of barley are cyst-forming nematodes of the Avenae group, in particular Heterodera avenae and Heterodera latipons, which cause focal growth inhibition of plants and yield loss.

In the reference 55 varieties crop Barley, where this is mentioned in the description.

The species Heterodera avenae is characterized by high intraspecific variability, manifested in the presence of pathotypes capable of infecting various cereal genotypes. Identification of these populations is based on the reactions of standard differential cultivars, which allows for assessing their aggressiveness within the framework of specialized research.

Nematode infection is often latent and manifests as stunting, premature leaf yellowing, and root system deformation. In field conditions, the infestation is noticeable by focal plant growth retardation, while the presence of the cysts themselves on the roots is difficult to detect without special equipment.

Genetic resistance of barley to cyst-forming nematodes is provided by genes with the Rha prefix. The presence of these genes is a specific trait that is rarely found in the descriptions of general-purpose cultivars, as breeding for Rha resistance is conducted mainly within highly specialized programs.

General information about the subject — on the page Nematodes.

Sources8

Varieties of Barley mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Bond

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
8 records

Avenue

Active

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
8 records

SW Weitor

Terminated

Hordeum vulgare L. · Barley

Löhde Jörgen

DK SE
5 records

Prisca

Terminated

Hordeum vulgare L. · Barley

W WEIBULL

DK SE
6 records

Perdita

Terminated

Hordeum vulgare L. · Barley

BREUN GDBR| Saatzucht Josef Breun GdbR

DE DK
3 records

Pallas

Terminated

Hordeum vulgare L. · Barley

SVERIGES UTSÄDESFÖRENING SVALÖF

DK ES
4 records

Inga

Terminated

Hordeum vulgare L. · Barley

THE ABED FOUNDATION

DE DK
7 records

Ansgar

Terminated

Hordeum vulgare L. · Barley

YNGVE HÖRBERG & PER LUNDIN

DK SE
6 records

Wren

Terminated

Hordeum vulgare L. · Barley

Zeneca Seeds UK Ltd

DK
5 records

Uschi

Terminated

Hordeum vulgare L. · Barley

LAUBACH| NORDSAAT Saatzucht GmbH Herrn Dr. Eberhard Laubach - Zuchtstation Gudow -

DE
4 records

Structura

Terminated

Hordeum vulgare L. · Barley

GROSSER| Dr. Joerg Grosser in Fa. KWS LOCHOW GMBH - Zuchtstation Wetze -

DE
4 records

Respons

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
5 records

Punto

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
5 records

NOS Upstairs

Active

Hordeum vulgare L. · Barley

Nordic Seed A/S

DK
4 records

Lotos

Terminated

Hordeum vulgare L. · Barley

Dr. J. Ackermann & Co. Saatzucht Irlbach (Kommanditgesellschaft) Herrn Dr. Claus Einfeldt

DE
5 records

Halfdan

Active

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DK
4 records

Chamant

Terminated

Hordeum vulgare L. · Barley

SEJET PLANTEFORÆDLING

DK
5 records

Iver

Active

Hordeum vulgare L. · Barley

Graminor AS, N-2322 Ridabu

4 records

Fager

Terminated

Hordeum vulgare L. · Barley

Graminor AS, N-2322 Ridabu

4 records

Neo

Application submitted

Hordeum vulgare L. · Barley

InterGrain Pty Ltd

ES
2 records

GUNHILD

Terminated

Hordeum vulgare L. · Barley

Pajbjergfonden

DK
4 records

Columbia

Protection expired

Hordeum vulgare L. · Barley

Western Plant Breeders Inc.

ES
2 records

Compass

Active

Hordeum vulgare L. · Barley

Jason Eglinton, Stewart Coventry, Amanda Box, Univrsity of Adelaide

HU
2 records

Abacus

Terminated

Hordeum vulgare L. · Barley

ROTHWELL PLANT BREEDERS (GB)

FR
4 records