What question did this study set out to answer?

The aim is to identify the fungal pathogen causing leaf spot symptoms in cabbage plants in Pakistan.

August 6, 2026Plant Disease

First report of Alternaria brassicicola causing black leaf spot on cabbage in Pakistan

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The aim is to identify the fungal pathogen causing leaf spot symptoms in cabbage plants in Pakistan.
Field observations were conducted on cabbage plants affected by leaf spots.
Fungal identification was performed morphologically and molecularly using DNA sequencing.
Pathogenicity was confirmed by inoculating cabbage plants with conidial suspensions of the identified isolates.
Approximately 35% of cabbage plants exhibited symptoms of black leaf spots.
Fungal cultures were morphologically and molecularly identical to A. brassicicola, fulfilling Koch's postulates.
This is the first documented case of A. brassicicola causing leaf spot on cabbage in Pakistan.

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Implication

This report identifies Alternaria brassicicola as the cause of black leaf spot on cabbage in Pakistan, indicating a potential threat to its cultivation.

Cite This Study

Ahmed et al. (2026) studied this question.

synapsesocial.com/papers/6a74379d764cddc9499d50fd https://doi.org/10.1094/pdis-10-25-2071-pdn

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Implication

This report identifies Alternaria brassicicola as the cause of black leaf spot on cabbage in Pakistan, indicating a potential threat to its cultivation.

First report of Alternaria brassicicola causing black leaf spot on cabbage in Pakistan

Key Points

Discussion

Implication

Cite This Study

First report of Alternaria brassicicola causing black leaf spot on cabbage in Pakistan

Key Points

Discussion

Implication

Cite This Study

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