Question

a) identify the disease in the diagram?
b) Name the causative Agent of this disease?
c) How does the disease spread from one plant to another?
d) How it can be controlled?​

Answer 1

Answer:

(a) The disease in the image is citrus canker

(b) Causative agent of this disease is a bacterium called Xanthomonas axonopodis

(c) Citrus canker can spread quickly over long distances on infected citrus fruits and leaves, as well as on people and equipment.

(d) It can be controlled by:

1) planting of windbreaks

2) protection of fruit and leaves with copper sprays

3) control of leafminer

4) planting tolerant varieties.

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