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

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

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There are 3 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).

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Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

1. The disease symptoms in the picture is due to

A. Crown Rot

B. Collar Rot

C. Root Knot

D. I do not know

Next

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Next

2. The symptoms on the pods in the picture is due to

A. Pod Rot

B. Kalahasti Malady

C. Root Knot

D. I do not know

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

3. Root Knot in groundnut can be managed by

A. Carbofuran spray

B. seed treatment

C. good weed control

D. I do not know

Next

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Thank you for completing this exercise.

Now you may review this Module or any Module in this course. Select the Module to review from Course contents.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your are right.

The symptoms are that of Root Knot.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is not correct. Crown Rot infected areas

become water-soaked and light-brown and are covered with black fungal spores as shown in the picture below.

Your are right.

The symptoms are that of Root Knot.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is not correct. Collar Rot disease infected

plants’ roots become gray to black as shown in the picture below.

Your are right.

The symptoms are that of

Root Knot.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

If you do not know, the symptoms in the picture is that of Root Knot.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your are right.

The symptoms are that of Kalahasti Malady.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is not correct. Pod Rots are characterized by

brownish-black lesions on the shell as shown in the picture

below.

The correct answer is:Kalahasti Malady

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is not correct. Root Knot infected pods

develop knots or small warts like swelling of pods as shown in the picture below.

The correct answer is:Kalahasti Malady

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

If you do not know, the symptoms in the

picture is that of KalahastiMalady caused bynematodes.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is not correct.

Root Knot in groundnut is caused by nematodes. So, either Carbofuran spray or seed treatment is meaningless.

The correct answer is:

Good weed control should be practiced as many weed species act as hosts for Root Knot nematodes.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

If you do not know, here is the answer:

Root Knot in groundnut is caused by nematodes. So, either Carbofuran spay or seed treatment is meaningless.

The correct answer is:

Good weed control should be practiced as many weed species act as hosts for Root Knot nematodes.

Virtual Academy for the Semi Arid Tropics

Module VI

Course on Diseases of Groundnut

Diseases Caused by Nematodes

Your answer is correct.

Good weed control should be practiced as many weed species act as hosts for Root Knot nematodes.