Applied plant pathology UE Past Papers Questions.

1. With an aid of diagram explain the function of acervuli in Ascomycota fungi.
2. With examples explain the reasons for diseases on various hosts caused by Colletotrichum spp. are termed “anthracnose”
3. With reasons explain the most devastating spore stage of wheat stem rust disease.

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UNSOLVED

1. By considering pathogens, hosts, spore stages and symptoms disfferentiate wheat stem rust from cofee leaf rust.
2. With examples , describe spore stages of macrocyclic autoecious rust pathogens of your own choice.

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UNSOLVED

1. Describe the plant tissue where you would look for pathogenic bacteria causing vascular wilt disease.
2. With examples explain how could weather conditions influence occurrences of disease epidemics
3. Why usage of high levels of nitrogen fertilizers could contribute to the occurences and high severity of plant diseases?

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UNSOLVED

With examples differentiate the following

1. Disease triangle from disease tetrahedron
2. Plant disease from plant disease epidemics
3. Early blight disease from late blight diseases of tomato

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UNSOLVED

Water is a requirement for the development of most plant diseases , for each of the situations below, indicate how water can be used to affect plant disease.

1. Eradication of soil borne disease
2. Prediction of foliar diseases
3. Elimination of bacterial disease in sugar cane
4. Management of foliage disease in greenhouse

Answer / Solution

UNSOLVED