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Common plant diseases

Plant diseases in horticulture and agriculture are conditions or disorders that negatively affect the health and productivity of cultivated plants, including crops and ornamental plants. These diseases are caused by various pathogens, including fungi, bacteria, viruses, and nematodes, as well as environmental factors. Here's an overview of common plant diseases in both horticulture and agriculture. Looking for a specific species? Take a look at our plant disease overview.

Basal rot Fusarium oxysporum grown in petri dish

Fusarium spp.

Potato infected by blackleg disease Erwinia carotovora Pectobacterium carovora

Bacterial soft rot, bacterial stem rot

Pectobacterium carotovorum

Banana plant damage caused by Black Sigatoka disease Mycosphaerella fijiensis

Black sigatoka disease

Mycosphaerella fijiensis

Black-leg of seedlings Pythium ultimum in petri dish

Damping-off

Pythium aphanidermatum

Tomato damage caused by Bacterial wilt of potato Ralstonia solanacearum

Bacterial wilt, brown rot

Ralstonia solanacearum

Search plant diseases

Fusarium spp.
Fusarium spp.

Early blight
Alternaria solani

Black sigatoka disease
Mycosphaerella fijiensis

Bacterial soft rot, bacterial stem rot
Pectobacterium carotovorum

Angular leaf spot
Xanthomonas fragariae

Cottony soft rot
Sclerotinia sclerotiorum

Bacterial wilt, brown rot
Ralstonia solanacearum

Pea blight, leaf and pod spot
Ascochyta pisi

Damping-off
Pythium aphanidermatum

Phytophthora blight
Phytophthora infestans

Downy mildew of rose
Peronospora sparsa

Fusarium wilt
Fusarium oxysporum

Botrytis
Botrytis cinerea

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