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A plant pathologist studies plant diseases and insect infestations on crops. Their work is relevant in understanding how and why various crops are attacked by insects and pests (fungi, bacteria and viruses) and how to minimise the economic effect (of attacks) on commercial crops by these pathogens.

Pathology also encompasses the study of plant chemistry to ensure that crops (food as well ornamental) are well fertilised and are not deficient in nutrients. Poorly nourished crops are more susceptible to attack from insects, fungi and bacterial infections.

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Q: What are the Importance of plant pathology in human life?
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