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Diseases

White mold

Sclerotinia sclerotiorum

White mold is a dangerous fungal disease caused by a soil-borne pathogen that affects a wide range of crops and persists in the soil in the form of sclerotia. The disease leads to significant crop losses and reduced product quality.

Mentioned in descriptions 3 042 varieties reference book.

The disease manifests as seedling rot and the appearance of brown, water-soaked spots on stems and flower heads, which become covered with a dense, white, cotton-like mycelial growth. Black, dense structures known as sclerotia form inside and on the surface of tissues, serving as a source of infection.

Pathogen development depends on temperature ranges from +10°C to +25°C, as well as high soil and air humidity, which are necessary for the germination of sclerotia. The risk of infection increases with high planting density, poor crop rotation, and excessive nitrogen fertilization.

Resistance of varieties to white mold is a quantitative polygenic trait provided by cell wall density and the plant's ability to neutralize oxalic acid secreted by the fungus. Resistance assessment in variety trials is conducted by recording the spread and severity of plant infection under field conditions on natural or artificial inoculation plots.

Sources10

Breakdown by crop

Sclerotinia Wilt of Sunflower 549 Sclerotinia stem rot of rapeseed 170 White Mold of Soybean 86 Sclerotinia stem rot of rapeseed 79 White mold — red clover 33 White Mold of Bean 13 White Mold of Lettuce 8 White Mold — White Clover 7 White rot of radish 6 White Rot of Garlic 6 White rot of carrot 5 White Mold of Pepper 4 White Rot of Cabbage 4 White Mold — White Mustard 4 White mold of peanut 3

Found in these crops

Sunflower 445 Rapeseed 192 Soybean 110 Rapeseed 86 Red clover 42 Common bean 23 White clover 13 Lettuce 11 White mustard 6 Peanut 4 Carrot 3 Brown mustard 3

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.

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

Pavo

Active

Trifolium pratense L. · Red clover

FAL Station de Recherche Agronomique Federale (CH)

AT CZ DE FR
9 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

ES Florimis

Active

Helianthus annuus L. · Sunflower

Mr. Zhan-Liuk Madeuf

BG FR IT UA
10 records

ES Idillic

Active

Helianthus annuus L. · Sunflower

LIDEA FRANCE SAS

FR IT SK UA
10 records

ES Capello

Active

Brassica napus var. napus · Rapeseed

LIDEA FRANCE SAS

CZ FR PL UA
11 records

ES Balistic CL

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG IT SK UA
10 records

Amandine

Active

Glycine max (L.) Merr. · Soybean

Delley Seeds and Plants

AT LT PL UA
10 records

Batis

Active

Brassica napus var. napus · Rapeseed

Dieter Stelling

CZ DE PL UA
9 records

Impact

Active

Helianthus annuus L. · Sunflower

NUSEED SERBIA

IT SK UA
10 records

Vellox

Active

Helianthus annuus L. · Sunflower

Sebastian Chatre

CZ FR UA
10 records

SY Katana CLP

Active

Helianthus annuus L. · Sunflower

Syngenta Participations,CH

RO SK UA
11 records

SY Edison

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

HU SK UA
12 records

P64LE136

Active

Helianthus annuus L. · Sunflower

Pioneer Overseas Corporation, USA

IT RO UA
13 records

NK Fortimi

Active

Helianthus annuus L. · Sunflower

Syngenta France SAS

BG SK UA
9 records

Kristian

Active

Glycine max (L.) Merr. · Soybean

Saatzucht Donau, A

AT HU UA
11 records

ES Aromatic SU

Active

Helianthus annuus L. · Sunflower

Euralis Semences, F

BG SK UA
10 records

Visby

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE HR PL UA
15 records

Carrera CLP

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

ES FR IT SK UA
10 records

SY Flamenco

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection,CH

FR HU SK UA
10 records

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