virtual academy for the semi arid tropics module iii course on diseases of groundnut diseases caused...

Virtual Academy for the Semi Arid Tropics

Module III

Course on Diseases of Groundnut

Diseases Caused by Fungi

Next

There are 6 multiple choice questions in this exercise.

Answer by clicking on one of the red letters (A, B, C, Or D). You will get a feedback to your response.

Click on the button (to go back to the question) or button(to go to the next screen/question).

Next


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1. The disease symptoms in the picture is due to

A. Early Leaf Spot

B. Scab

C. Web Blotch

D. Cercospora Leaf Spot

Next


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Next

2. The disease symptoms in the picture is due to

A. Late Leaf Spot

B. Alternaria Leaf Spot

C. Phyllosticta Leaf Spot

D. Zonate Leaf Spot


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3. Which picture shows symptoms of Alternaria Leaf Blight disease.

Next

A B C


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4. Which picture shows symptoms of Damping- off disease.

Next

A B C


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5. Which picture shows the symptoms of Pod Rot disease.

Next

A B C


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6. Pre-emergence Seed and Seedling Rots in groundnut can be managed by

A. Maneb spray

B. solarization

C. seed treatment

D. I do not know

Next


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Thank you for completing this exercise.

Now you may review this Module or select next Module i.e. Module IV from Course contents.


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Your are right.

The symptoms are that of Web Blotch.


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Your answer is not correct.Early Leaf Spot symptoms are seen as dark brown spots with an yellow halo on the leaves as shown in the picture below.

The correct answer is:Web Blotch


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Your answer is not correct.Scab symptoms are seen as cankerous scabs on petioles and branches, giving the plants a burnt appearance as shown in the picture below.



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Your answer is not correct.Cercospora Leaf Spot symptoms are seen as irregular or angular shaped light brown spots leading to drying of leaves as shown in the picture below.



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Your are right.

The symptoms are that of Alternaria Leaf Spot.


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Your answer is not correct.Late Leaf Spot symptoms are seen as circular dark brown to black spots on the lower leaflets as shown in the picture below.

The correct answer is:Alternaria Leaf Spot


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Your answer is not correct.Phyllosticta Leaf Spot

symptoms are seen on leaflets as light tan colored spots surrounded by a reddish-brown border as shown in the picture below.



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Your answer is not correct.Zonate Leaf Spot symptoms are seen on the leaflets as light brown spots and larger spots show Zonate pattern. Please observe this in the picture below.



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Your are right.

It is Alternaria Leaf Blight disease.


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Your answer is that ofAnthracnose disease



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Your answer is that of Pepper Spot

The correct answer is:Alternaria Leaf Blight


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Your are right.

It is Damping-off disease


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Your answer is that of

Collar Rot.

The correct answer for Damping-off disease


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Your answer is that of Pre-emergence Seedling Rot

The correct answer forDamping-off disease


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Your are right.

Groundnut pods in the picture is affected by Pod Rot disease.


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Your answer is that of Charcoal Rot disease

The correct answer is:Groundnut pods in the picture is affected by Pod Rot disease.


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Your answer is that of Black Rot disease.

The correct answer is:Groundnut pods in the picture is affected by Pod Rot disease.


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Your answer is not correct.

Maneb spray will not help. As seed and seedling rots are not soil borne, solarization also do not help in preventing this disease.

The correct answer is:

As the seed and seedling rots are seed-borne, seed treatment with Thiram at 3 g per kg of seeds help in controlling the disease.


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If you do not know, here is the answer:

Maneb spray will not help. As seed and seedling rots are not soil borne, solarization also do not help in preventing this disease.

The correct answer is:



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Your answer is correct.


virtual academy for the semi arid tropics module iii course on diseases of groundnut diseases caused...

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