Diseases

Grey mold

Botrytis cinerea

Grey mold is a polyphagous fungal disease manifesting as watery spots and a characteristic grey fuzzy growth on plant organs. The disease causes tissue softening and decay, often affecting plants during the flowering or ripening stages.

Mentioned in descriptions 7 316 varieties reference book.

The pathogen is a facultative parasite that develops on living tissues, weakened plants, and plant debris. Externally, the pathology manifests as the appearance of a grey fuzzy growth consisting of fungal mycelium and spores, as well as watery spots leading to tissue softening and wilting of the affected areas.

Pathogen activity depends directly on environmental conditions. The disease develops most aggressively at temperatures between +15 and +25°C and high relative humidity above 80–90%. The presence of free moisture, high planting density, mechanical damage, and physiological weakness of the plants significantly contribute to the spread of the infection.

Varietal resistance is complex in nature and is determined by the morphological characteristics of the plants, their chemical composition, and ontogenetic differences. In the state variety testing system, phytopathological assessment is conducted on a scale from 0 to 5 points by analyzing the natural infection background, which allows for the identification of genotypes that are resistant, tolerant, or susceptible to the pathogen.

Sources10

Breakdown by crop

Grey mold of grapevine 1 060 Grey Mold of Grapevine 544 Gray Mold of Garden Strawberry 160 Grey Mold of Sunflower 122 Grey mold of raspberry 36 Strawberry gray mold 30 Grey mold of zonal geranium 29 Tomato gray mold 29 Botrytis Blight of Lily 20 Chocolate Spot — Faba Bean 20 Grey mold — small-seeded faba bean 18 Grey Mold of Rose 17 Grey mold of pepper 13 Botrytis blight of Hydrangea macrophylla 12 Grey Mold of Lettuce 11 Grey mold of chrysanthemum 11 Grey Mold of Rapeseed 11 Grey Mold of Sweet Cherry 11 Gray mold of raspberry and blackberry 9 Peach Gray Mold 9 Petchoa Botrytis blight 9 Tulip Botrytis Blight 9 Gray mold of pea 9 Gray Mold of Poinsettia 8

Found in these crops

Grapevine 1 063 Common grape vine 538 Garden strawberry 161 Sunflower 68 Red raspberry 37 Strawberry 31 Horseshoe pelargonium 28 Tick Bean 28 Tomato 27 Broad bean 24 Lily 22 Rose 18

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.

Sonata

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Plant Research International, NL

FR HU NL PL UA

19 records

Sorbonne

Active

Lilium L. · Lily

WIM VLETTER

BE DE FR NL PL

11 records

Darselect

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

SOCIETE CIVILE DARBONNE

ES FR HU NL PL

23 records

Kameleon

Active

Pisum sativum L. · Pea

KWS Momont, F

DE FR LT LU UA

18 records

Senga Sengana

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Reinhold von Sengbusch, Germany

HU LT NL PL RO SI +1

17 records

Jazzy

Active

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS AG, CH

AT BG CZ DE FR HR +1

13 records

Elsanta

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

PLANT RESEARCH| Plant Research International B.V.

DE ES FR HU NL PL

19 records

Cabernet-Sauvignon

Active

Vitis vinifera L. · Common grape vine

BG DE ES FR MT SK

11 records

Arabella

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Steven D. Nelson, Stephen M. Ackerman, Michael D. Nelson

ES NL UA

14 records

Soprano

Active

Daucus carota L. · Carrot

Vilomorin, F

FR HR

11 records

Majestic

Active

Rubus idaeus L. · Red raspberry

Scott W Adams

13 records

Zekon

Active

Pisum sativum L. · Pea

Selgen a.s., CZ

CZ FI HR HU PL SI +1

15 records

Sweet Charlie

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

DE ES FR NL PT

19 records

Opera PR

Active

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS AG, CH

BG HR HU IT UA

11 records

Seascape

Active

Fragaria L. · Strawberry

VOTH, VICTOR - BRINGHURST, R.

9 records

Meilabasun

Active

Rosa L. · Rose

Meilland International S.A.

9 records

Inspire

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Steven D. Nelson Michael D. Nelson Leo W. Stoeckle Daniel S. Nelson

10 records

Sernio

Protection expired

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Seminis Vegetable Seeds

CZ DE HR NL PL SK

11 records

Polka

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Szkółka Markiewicz Agnieszka Markiewicz-Januszewska

DE FR HU NL PL UA

15 records

Lifirane

Active

Rosa L. · Rose

Zwemstra, Jelle J.

DK ES FR IT NL SE

8 records

Forum

Active

Helianthus annuus L. · Sunflower

ZhUZhUKIN VALERIJ IVANOVICh / KOYuDA SERGEJ PETROVICh / ZAJTSEV SERGEJ ALEKSANDROVICh / VOLKOV DMITRIJ PETROVICh / KRASIL'NIKOVA MARINA VLADIMIROVNA

HR IT PT SK UA

10 records

Arunasun IR

Active

Helianthus annuus L. · Sunflower

Elena Andreea Teodorescu

AT HU RO SK UA

9 records

Tristan

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG, CH

BG ES SK UA

9 records

Greyzini

Active

Cucurbita pepo L. · Field pumpkin

Petoseed, US

FR HR IT SI

8 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.