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 Brown mustard 3 Carrot 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.

ES Regata

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG FR IT UA

10 records

ES Tribor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

FR HU SK UA

13 records

Aitana

Active

Helianthus annuus L. · Sunflower

EURALIS SEMILLAS, S.A.

BG ES RO UA

11 records

ES Sherpa

Active

Helianthus annuus L. · Sunflower

Euralis Semences, Soltis

BG HU UA

11 records

ES Senator

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

AT FR UA

11 records

GL Melanie

Active

Glycine max (L.) Merr. · Soybean

Saatzucht Gleisdort, A

AT PL UA

12 records

Clarus

Active

Brassica napus var. napus · Rapeseed

DSV, D

CZ DE PL

9 records

PT200CL

Active

Brassica napus var. napus · Rapeseed

Pruvot Kraling

CZ FR HR UA

9 records

LID Constructor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

AT FR HR HU UA

10 records

LG Aphrodite

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ DK FR PL UA

10 records

ES Compositor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

DE FR PL SK UA

10 records

RGT Capitoll

Active

Helianthus annuus L. · Sunflower

RAGT 2N S.A.S

FR IT SK UA

9 records

ES Aramis

Active

Helianthus annuus L. · Sunflower

Thierry Andre

BG CZ IT UA

9 records

Shrek

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans Georg Lembke KG,DE

BG EE HU LT RO SK +1

8 records

Parcours

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE DK PL

9 records

Arabella

Active

Brassica napus var. napus · Rapeseed

Nickerson International Research SNC (FR)

CZ DE DK FR SE

13 records

LG Adamant

Active

Brassica napus var. napus · Rapeseed

LIMAGRAIN EUROPE

CZ DK FR PL UA

10 records

LID Invicto

Active

Brassica napus var. napus · Rapeseed

Sandrine LEGROS

CZ DE FR PL UA

11 records

ES Silene

Active

Brassica napus var. napus · Rapeseed

Patris Zheanson

CZ DE DK FR UA

9 records

Clavier CL

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

BG EE HU LT RO SK +1

8 records

SY Floretta

Active

Brassica napus var. napus · Rapeseed

Syngenta Participations,CH

CZ PL UA

8 records

Libravo

Active

Brassica napus var. napus · Rapeseed

DEUTSCHE SAATVEREDELUNG AG

CZ DE DK ES PL

9 records

Arsenal

Active

Brassica napus L. · Rapeseed

LIMAGRAIN EUROPE

AT BG HU LT RO SK

8 records

Absolut

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

AT EE LT RO SK UA

7 records

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.