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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 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.

Rustan

Terminated

Brassica napus L. · Rapeseed

SVENSK HANS

SE
1 record

RGT Buffalo

Active

Helianthus annuus L. · Sunflower

RAGT 2N S.A.S

IT
1 record

REGUEIRAL

Withdrawn

Agrostis capillaris L. · Common bent

CALFENSA PROYECTOS, S.L./JOSE ALBERTO OLIVEIRA PRENDES

ES
1 record

Romantyk

Terminated

Helianthus annuus L. · Sunflower

Molodchenkova Olha Olehivna, Babich Valerii Ivanovych, Hanzhelo Mykola Hryhorovych, Libenko Mykola Oleksandrovych, Varenyk Borys Fedorovych, Krut`ko Vasyl` Ivanovych,

UA
2 records

Remil

Protection expired

Helianthus annuus L. · Sunflower

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

Ramires

Active

Helianthus annuus L. · Sunflower

Tovarystvo z obmezhenoiu vidpovidalnistiu «TK ART-AHRO»

UA
2 records

RA1001735

Active

Helianthus annuus L. · Sunflower

RAGT 2N S.A.S

IT
1 record

PRS 5

Terminated

Helianthus annuus L. · Sunflower

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

PS135

Application submitted

Glycine max (L.) Merr. · Soybean

Gruppo Manara S.p.A

IT
1 record

PS146

Application submitted

Glycine max (L.) Merr. · Soybean

Gruppo Manara S.p.A

IT
1 record

Prenel

Terminated

Phaseolus vulgaris L. · Common bean

Vilmorin SA (FR)

FR
1 record

/PR 44 V 22/

Terminated

Brassica napus var. napus · Rapeseed

Jean-Claude Pruvot

UA
1 record

Pikardiia KLP

Terminated

Helianthus annuus L. · Sunflower

Pryvatne Pidpryiemstvo "NASINNEVE"

UA
2 records

PH-BC-1-40

Terminated

Helianthus annuus L. · Sunflower

Skoric, Dragan / Jocic, Sinisa

HU
1 record

OP 01

Terminated

Brassica napus L. · Rapeseed

Radoslav Koprna

UA
2 records

Panache

Terminated

Phaseolus vulgaris L. · Common bean

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

NKARMONY

Protection expired

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS AG, CH

FR
1 record

NKh87258

Terminated

Helianthus annuus L. · Sunflower

Olivser Cottet

UA
1 record

NK 1242

Terminated

Helianthus annuus L. · Sunflower

NORTHRUP KING

ES
1 record

NX81229

Active

Helianthus annuus L. · Sunflower

Syngenta participation AG

IT
1 record

Novo Ale

Active

Helianthus annuus L. · Sunflower

Reva IAroslav Mykolaiovych

UA
2 records

LID Invicto

Application submitted

Brassica napus L. · Rapeseed

LIDEA FRANCE SAS

LT
1 record

Leyila

Active

Helianthus annuus L. · Sunflower

Zhan-Liuk Madef

UA
2 records

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