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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.

Druzhba

Active

Vitis L. · Grapevine

ALIEV ARIF MUZAFAROVICh / KOSTRIKIN IVAN ALEKSANDROVICh / IVANOV JORDAN / VYLChEV VASIL / MUZYChENKO BORIS ALEKSANDROVICh

2 records

Centennial Gold

Active

Rhododendron L. · Azalea

BOOMTEELTPRAKTIJKONDERZOEK

2 records

Drisstrawninetytwo

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michael D. Ferguson, Phuong Nguyen y Kevin Coons

2 records

Bronner

Active

Vitis L. · Grapevine

Norbert Becker

2 records

Diantha

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Ben Vane

Active

Ribes nigrum L. · Blackcurrant

SCOTTISH CROP RESEARCH INSTITUTE

3 records

Ben Klibreck

Active

Ribes nigrum L. · Blackcurrant

Scottish Crop Research Institute^^^James Hutton Limited

3 records

Caroline

Active

Rubus idaeus L. · Red raspberry

Swartz, Harry Jan|16022 Jerald Rd., Laurel, MD 20707 / Fiola, Joseph A.|1400 Paterson Ave., Whiting, NJ 08759 / Stiles, Herbert D.|811 Brunswick Ave., Blackstone, VA 23824 / Smith, Brian A.|311 N. Dallas St., River Falls, WI 54022

5 records

Captain Alma

Active

Zantedeschia Spreng. · Arum-lily

Kapiteyn Breeding B.V.

2 records

Crisbo

Terminated

Vicia faba L. · Broad bean

ERHARD EBMEYER

2 records

Bombay Gold

Terminated

Celosia L. · Cockscomb

VAN DEN BOSCH PIETER CORNELIS

2 records

Carmine

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Craig Chandler

2 records

BF08

Active

Fuchsia L. · Fuchsia

Fred Hendriks

2 records

BRFU 07951

Active

Fuchsia L. · Fuchsia

Hubert Brandkamp

2 records

Artaban

Active

Vitis vinifera L. · Common grape vine

Bundesrepublik Deutschland vertreten durch Julius Kühn-Institut, Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

2 records

Benetti

Terminated

Chrysanthemum pacificum Nakai · Pacific chrysanthemum

Andreas Niederländer

2 records

Balangflac

Application submitted

Angelonia angustifolia Benth. · Angelonia

Masor Laura L.

2 records

Attiki

Terminated

Vitis L. · Grapevine

Vassilis Mikos

2 records

Apulia

Active

Vitis L. · Grapevine

Stefano Somma

2 records

AGRI811

Active

Lavandula stoechas L. · French lavender

MARCEL MOERMAN

2 records

Alexia

Terminated

Vicia faba L. var. equina St.-Amans · Horse bean

Saatzucht Gleisdorf

PL UA
2 records

Prothabon 101

Active

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

SEMILLAS BATLLE, S.A.

ES
3 records

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