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Diseases

Tissue necrosis

Alternaria cucumerina, Leptosphaeria maculans, Nectria cinnabarina, Rhacodiella vitis, Pseudomonas syringae, Pseudomonas corrugata, Beet necrotic yellow vein virus, Prunus necrotic ringspot

Necrosis is a pathological process of plant tissue death caused by infectious agents (fungi, bacteria, viruses) or non-infectious environmental factors. It is characterized by localized damage that can lead to the loss of a significant portion of the crop or the plant itself.

Mentioned in descriptions 2 111 varieties reference book.

Necrosis manifests as tissue death, visually expressed as spotting, lesions on fruits and shoots, and the death of bark, cambium, and the vascular system. Cracks may form on affected areas, gummosis can be observed in stone fruit crops, or specific fungal sporulation may appear in the form of tubercles and pustules.

The development of the process depends both on the presence of an infectious source and on environmental conditions, including humidity and sharp temperature fluctuations that cause frost cracks or sunburn. Mechanical damage often serves as an entry point for infection, which persists in plant debris, soil, or planting material.

Varietal resistance is based on anatomical features, such as bark strength, which can limit pathogen penetration, or the plant's ability to rapidly form a protective callus layer around the damaged zone. Resistance evaluation in variety trials is conducted using scales of disease intensity under conditions of artificial or natural infection.

The concept of necrosis resistance in crop production always requires specification of the particular pathogen, as immunity to the pathological process as a whole does not exist. When selecting a variety, one should prioritize documented resistance to pathogen species relevant to the region, as indicated in the originator's data or the state register.

Sources10

Breakdown by crop

Lettuce tissue necrosis 424 Melon tissue necrosis 73 Tomato Pith Necrosis 48 Tissue Necrosis in White Cabbage 38 Potato tissue necrosis 18 Endive tissue necrosis 14 Tissue necrosis — Chinese cabbage 12 Apple tissue necrosis 12 Grapevine tissue necrosis 9 Tissue necrosis — red cabbage 8 Tissue necrosis in lettuce 8 Tissue necrosis — soft wheat 6 Tissue necrosis — cauliflower 5 Cucumber tissue necrosis 5 Sunflower tissue necrosis 4 Tobacco tissue necrosis 4 Bean tissue necrosis 4 Sweet Cherry Tissue Necrosis 4 Tulip Tissue Necrosis 4 Chrysanthemum stem necrosis 4 Pepper tissue necrosis 4 Maize Tissue Necrosis 3 Lily tissue necrosis 3 Apricot Tissue Necrosis 3

Found in these crops

Lettuce 293 Tomato 41 White cabbage 30 Potato 21 Grapevine 18 Endive 11 Common grape vine 10 Napa cabbage 8 Leaf lettuce 7 Red cabbage 6 Bread wheat 6 Common bean 6

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.

Rendana

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

Sonarosa

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Model

Active

Lactuca sativa L. · Lettuce

NL
2 records

Mercusia

Terminated

Lactuca sativa L. · Lettuce

NL
4 records

Nader

Active

Lactuca sativa L. · Lettuce

NL
2 records

Kokko

Active

Solanum tuberosum L. · Potato

SE
3 records

Limbora

Active

Triticum aestivum L. · Bread wheat

SK
3 records

Lancelot

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

Karminova

Active

Lactuca sativa L. · Lettuce

CZ
2 records

KIS Pavlin

Active

Phaseolus vulgaris L. · Common bean

SI
2 records

Frauke

Active

Lactuca sativa L. · Lettuce

NL
2 records

Glóbus

Active

Lactuca sativa L. · Lettuce

CZ
2 records

Gelbus

Active

Lactuca sativa L. · Lettuce

CZ
2 records

Dubared

Active

Lactuca sativa L. · Lettuce

CZ
2 records

Glenda

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

Early Smith

Active

Malus domestica (Suckow) Borkh. · Apple

HU
2 records

Corona

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
2 records

Dark Roden

Active

Lactuca sativa L. · Lettuce

CZ
2 records

Criolla

Active

Lactuca sativa L. · Lettuce

IT
2 records

Conchita

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

Aurelio

Active

Foeniculum vulgare Mill. · Fennel

NL
2 records

Britney

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

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