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Diseases

Verticillium wilt of sunflower

Helianthus annuus L.

A vascular disease of sunflower caused by the fungus Verticillium dahliae, manifesting during the flowering stage as necrotic leaf spots and browning of the stem vascular bundles.

In the reference 226 varieties crop Sunflower, where this is mentioned in the description.

Disease symptoms usually appear during the flowering and head formation period, starting from the lower leaves. Areas of turgor loss arise between the veins, acquiring a pale green or marbled shade, which subsequently necrotize to a bronze-brown color. A characteristic sign is the unilateral infection of the leaf blade or the plant, while cross-sections of stems and petioles show pronounced browning of the conducting vessels.

The pathogen Verticillium dahliae is represented by three physiological races and divided into defoliating and non-defoliating pathotypes, with European populations of the pathogen differentiated into regional genetic groups. The main tool for resistance breeding is the dominant V-1 gene, isolated from wild sunflower. However, the emergence of new pathogen strains is capable of overcoming this protection, which stimulates the search for new resistance loci in the crop genome.

General information about the subject — on the page Verticillium wilt.

Sources8

Varieties of Sunflower 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.

ES Anthemis CLP

Active

Helianthus annuus L. · Sunflower

Euralis Semences

AT BG IT UA
10 records

ES Magnific

Terminated

Helianthus annuus L. · Sunflower

Euralis Semences FR

CZ DE FR IT SK
8 records

SY Daxton

Active

Helianthus annuus L. · Sunflower

Syngenta Participations AG| CH

FR IT PT UA
10 records

P64LL155

Active

Helianthus annuus L. · Sunflower

Pioneer Overseas Corporation, USA

AT FR RO UA
13 records

ES Electric CLP

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG IT RO UA
10 records

P64LL129

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

ES RO UA
12 records

ES Isida

Active

Helianthus annuus L. · Sunflower

Euralis Semences, F

ES FR UA
9 records

ES Loris CLP

Active

Helianthus annuus L. · Sunflower

Euralis Semences, Mondonville FR

HU IT UA
10 records

Camaro 2

Active

Helianthus annuus L. · Sunflower

NUSEED EUROPE

IT RO SK
7 records

ES Grafic CL

Active

Helianthus annuus L. · Sunflower

Euralis Semences

IT UA
8 records

MAS 86OL

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

ES FR IT RO UA
9 records

SY Gracia CLP

Active

Helianthus annuus L. · Sunflower

Syngenta Participations AG c/o Syngenta International AG

AT HU IT PT
9 records

MAS 98K

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

FR IT SK UA
9 records

ES Amis

Active

Helianthus annuus L. · Sunflower

Euralis Semences

CZ IT RO SK
8 records

ES Agora

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG FR IT UA
9 records

ES Savana

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG ES UA
9 records

P63HE189

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

ES IT PT UA
10 records

P64le269

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

ES PT RO UA
10 records

SY Chronos

Active

Helianthus annuus L. · Sunflower

Syngenta Participations AG c/o Syngenta International AG

AT FR PT UA
7 records

Suvango

Active

Helianthus annuus L. · Sunflower

Syngenta Participations AG c/o Syngenta International AG

AT IT PT UA
7 records

P64LL187

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION US

AT FR RO UA
11 records

P64BE800

Active

Helianthus annuus L. · Sunflower

Pioneer Overseas Corporation, USA

BG ES IT UA
7 records

Hysun 298

Active

Helianthus annuus L. · Sunflower

Roberto Reid

IT PT RO UA
8 records

ES Ceylon SU

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG ES IT UA
8 records