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Leaf spot

A leaf spot is a limited, discoloured, diseased area of a leaf that is caused by fungal, bacterial or viral plant diseases, or by injuries from nematodes, insects, environmental factors, toxicity or herbicides. These discoloured spots or lesions often have a centre of necrosis (cell death). Symptoms can overlap across causal agents, however differing…

Applications, Causes & Management

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Key facts & relationships

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Causal agents
Fungi or bacteria
Hosts
Plants

Topics to explore

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Overview

Description

Causes

Virus

Symptoms

Disease cycle

Management

Advanced semantic analysis

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Map overview Semantic statistics

Leaf spot

Nodes69
Edges68
Triples102
Avg. degree1.97
Density0.028986
Components1

How this topic connects Entity context

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Leaf spot

Top relations

related to Management · 15
Leaf spot → Benomyl, Bordeaux, Both, Captan, Cercospora, Certain, Fentin, Imazalil, More, Other, Procholora, Registered, These, Thiabendazole, Triazoles
related to Virus · 11
Leaf spot → Apple, Coconut, However, In, Leaf, Leaves, Tospoviruses, Trichovirus, Viral, Viruses, Whilst
related to Bacteria · 7
Leaf spot → Bacterial, Early, Eventually, For, Pseudomonas, The, Xanthomonas
related to Disease cycle · 6
Leaf spot → Colonisation, Different, Fungal, Knowing, Leaf, Usually
related to Dispersion · 6
Leaf spot → Animal, Blowing, Infested, Pathogens, Rainwater, Splashing
has cause · 5
Leaf spot → Aphelenchoides, Foliar, However, The, The Aphelenchoides
related to Fungi · 5
Leaf spot → Foliar, Fungal, Leaf, One, These
related to Description · 4
Leaf spot → Although, Leaf, Other, Plants
related to Effect on plant growth · 4
Leaf spot → Leaf, This, Virus, Weakened
related to Effect on transpiration · 3
Leaf spot → The, This, Transpiration

Important terminology Word statistics

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Important terminology

leaf spot spots disease leaves plant bacterial plants pathogens also caused fungal bacteria fungi may diseases virus host infected viral

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Leaf spotCausal agentsFungi or bacteria1.00infobox
Leaf spotHostsPlants1.00infobox
Leaf spotis alimited0.90text
herbicide injuriesinstance ofDescriptionLeaf spots are a type of plant disease that are usually caused by pathogens and sometimes other cases0.80text
environmental conditionsinstance ofHowever leaf spots may also be caused by abiotic factors0.80text
toxicitiesinstance ofHowever leaf spots may also be caused by abiotic factors0.80text
herbicide injuriesinstance ofHowever leaf spots may also be caused by abiotic factors0.80text
dry beansinstance ofThe Aphelenchoides ritzemabosi affects chrysanthemum and other plants0.80text
bird's nest ferninstance ofThe Aphelenchoides ritzemabosi affects chrysanthemum and other plants0.80text
and the Aphelenchoides fragariae affects strawberryinstance ofThe Aphelenchoides ritzemabosi affects chrysanthemum and other plants0.80text
other ornamentals ferns.FungiFoliar diseases such as leaf spots are commonly caused by ascomycetesinstance ofThe Aphelenchoides ritzemabosi affects chrysanthemum and other plants0.80text
so-called deuteromycetesinstance ofThe Aphelenchoides ritzemabosi affects chrysanthemum and other plants0.80text

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    Min side: 3
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