Biology, asked by Kuyung6529, 1 year ago

write briefly about plant disease

Answers

Answered by loverboy7
0
Plant disease

Pathogen

Mode of transmission

Illustration representing the diseased plant

Citrus canker

Bacteria

Air



Rust of wheat

Fungi

Air, seeds



Answered by TheRealLeader
0

Explanation:

Answer:

Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas axonopodis. Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to humans, canker significantly affects the vitality of citrus trees, causing leaves and fruit to drop prematurely; a fruit infected with canker is safe to eat, but too unsightly to be sold. SYMPTOMS. Citrus canker is mostly a leaf-spotting and fruit rind blemishing disease, but when conditions are highly favorable for infection, infections cause defoliation, shoot dieback, and fruit drop. Citrus canker symptoms include brown spots on leaves, often with an oily or water-soaked appearance.

Explanation:

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