Plant Diseases Diseases are caused by the following biotic factors:

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Presentation transcript:

Plant Diseases Diseases are caused by the following biotic factors: 1. Bacteria 2. Fungi 3. Viruses

Disease attacks at the soil line.

A type of mold.

Black lesions on leaves.

Affects the plant roots and causes plant to wilt.

Grey- whitish powder found on leaves. Powdery Mildew Description: White powdery growth that occurs on leaf surfaces due to groups of spores. Kind of disease: Fungal Damage to plant: Disease robs the nutrients from the plant tissue and weakens the plant.

Discoloration of the leaf