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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.

MAS 84 E

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

AT BG CZ HR IT
13 records

MAS 92 IR

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

CZ ES HR IT UA
10 records

LG 5550

Active

Helianthus annuus L. · Sunflower

Limagrain-Advanta Nederland B.V.

BG ES RO UA
11 records

MAS 92 CP

Active

Helianthus annuus L. · Sunflower

Maisadour Semences, F

ES RO SK UA
10 records

MAS 87 IR

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

ES IT RO UA
11 records

NK Rocky

Active

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS AG, CH

AT BG FR HU UA
10 records

N 5LM307

Active

Helianthus annuus L. · Sunflower

NUSEED EUROPE

IT RO SK UA
11 records

Paraiso 102 CL

Active

Helianthus annuus L. · Sunflower

Saaten Union Romania, RO

RO
12 records

LG5451 HO CL

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN VERNEUIL HOLDING S.A.

AT HU IT SK UA
11 records

MAS 90 F

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

ES IT RO UA
10 records

MAS 96 P

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG ES IT UA
8 records

LG 5662

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

FR IT SK UA
10 records

MAS 98 M

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG IT UA
9 records

X 4219

Active

Helianthus annuus L. · Sunflower

NUSEED EUROPE

IT RO SK UA
10 records

PR 63 A 86

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION US

BG FR IT UA
12 records

MAS 81K

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

IT SK UA
9 records

P 62 LE 122

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

HU IT UA
12 records

LG 50480

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

ES IT UA
8 records

MAS 81 C

Active

Helianthus annuus L. · Sunflower

Zhoel` Meun`er

BG ES UA
7 records

MAS 85 SU

Active

Helianthus annuus L. · Sunflower

Maisadour Semences, F

RO UA
8 records

SY LASCALA

Active

Helianthus annuus L. · Sunflower

SYNGENTA FRANCE S.A.S.

PT SK UA
6 records

Hysun 33

Active

Helianthus annuus L. · Sunflower

Pacific Seeds Pty Ltd

ES HR IT
9 records

Fr 810

Active

Helianthus annuus L. · Sunflower

SYNGENTA AGRO S.A.

FR HU UA
6 records

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