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  • Consider the following four measures (1-4) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common <p style="text-ali

Consider the following four measures (1-4) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common

I. Spray with Bordeaux mixture.

II. Control of the insect vector of the disease pathogen.

III. Use of only disease-free seeds.

IV. Use of varieties resistant to the disease.

Which two of the above measures can control the disease?

Option: 1

Ill and IV 


Option: 2

I and IV 


Option: 3

Il and III


Option: 4

I and Il


Answers (1)

best_answer

Bacterial blight of chickpea is caused by bacterium Xanthomonas campestris. The stems and the leaves of infected plants give a blighted or burnt up appearance.

Control measures include roguing, 3-year crop rotation, disease-free seeds, spray of copper fungicides (Bordeaux mixture and antibiotics besides sowing disease resistant varieties. Hence, the correct answer is option 2

Posted by

Shailly goel

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