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Diseases

Sclerotinia Wilt of Sunflower

Helianthus annuus L.

A fungal disease of sunflower caused by the pathogen Sclerotinia sclerotiorum, manifesting in root, basal, stem, and head rot forms, leading to tissue decay and crop destruction.

In the reference 549 varieties crop Sunflower, where this is mentioned in the description.

The causative agent of the disease is the ascomycete fungus Sclerotinia sclerotiorum, which forms sclerotia that remain viable in the soil for 8–12 years. The pathogen does not have a widely accepted system of races; however, its populations are heterogeneous in terms of aggressiveness and morphological traits.

The disease manifests in four forms: root rot, which causes seedling death; basal rot, leading to plant wilting during the vegetative phase; stem rot, accompanied by tissue shredding; and the most damaging head rot, in which mycelium infects the flower heads and seeds.

There are no sunflower varieties completely immune to white rot. Plant resistance is a polygenic trait, therefore, in breeding, it is not the presence of specific genes that is evaluated, but the level of hybrid tolerance, expressed in points.

General information about the subject — on the page White mold.

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.

Imeria CS

Active

Helianthus annuus L. · Sunflower

Caussade Semences, F

BG IT RO SK UA
15 records

ES Petunia

Active

Helianthus annuus L. · Sunflower

Thierry Andre

CZ DE FR HR HU IT +1
14 records

Fushia CL

Active

Helianthus annuus L. · Sunflower

LIDEA FRANCE SAS

BG RO SK UA
13 records

RGT Wollf

Active

Helianthus annuus L. · Sunflower

Ragt 2n, F

AT IT UA
12 records

ES Andromeda

Active

Helianthus annuus L. · Sunflower

Euralis Semences

BG ES RO UA
12 records

Subeo

Active

Helianthus annuus L. · Sunflower

Syngenta Participations,CH

AT HR HU PT RO UA
12 records

Tutti

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG, CH

AT FR HU SK UA
10 records

SY Experto

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

IT RO SK UA
11 records

ES Niagara

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

ES FR SK UA
13 records

ES Veronika

Active

Helianthus annuus L. · Sunflower

Euralis Semences, F

BG FR IT UA
12 records

ES Genesis

Active

Helianthus annuus L. · Sunflower

Euralis Semences, F

BG ES RO
11 records

SY Neostar CLP

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG Seeds Divison

AT IT RO SK UA
12 records

ES Terramis CL

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

AT BG RO UA
11 records

P64LP130

Active

Helianthus annuus L. · Sunflower

Sadik El Sayed

ES RO UA
16 records

Eurosol

Terminated

Helianthus annuus L. · Sunflower

Semences Cargill SA (FR)/Etablissements M. Lesgourgues (FR)

AT CZ DE ES FR PL +1
11 records

KWS Apache CL

Active

Helianthus annuus L. · Sunflower

KWS SAAT SE, KWS Semena Bulgaria EOOD

BG HR IT RO SK UA
11 records

Surest

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

AT IT RO SK UA
12 records

NK Adagio

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG, Seeds Division, CH

BG HR HU SK UA
14 records

SY Kupava

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

FR HR SK UA
10 records

Tristan

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG, CH

BG ES SK UA
9 records

Subaro

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

BG IT RO UA
11 records

P64le11

Active

Helianthus annuus L. · Sunflower

Pioneer Overseas Cor, USA

HR HU RO UA
12 records

Marbelia CL

Active

Helianthus annuus L. · Sunflower

Rene Baraten

IT RO SK UA
11 records

KWS Dragon

Active

Helianthus annuus L. · Sunflower

SYNGENTA FRANCE S.A.S.

HR IT PT UA
11 records

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