Early leaf spot of peanut

Symptoms

Roughly circular reddish-brown to dark brown spots on leaflets, often with a yellow halo, appearing first on lower/older leaves; heavy spotting causes defoliation that cuts yield and lets pegs rot.

Plants affected

• peanut (groundnut)

Common questions

How do I recognise Early leaf spot of peanut on peanut (groundnut)?

Roughly circular reddish-brown to dark brown spots on leaflets, often with a yellow halo, appearing first on lower/older leaves; heavy spotting causes defoliation that cuts yield and lets pegs rot.

Do I have to report Early leaf spot of peanut?

No. Early leaf spot of peanut is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.

How is Early leaf spot of peanut treated?

Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.