It is a fungus called black band disease. You can apply a fungicide such as blue copper solution with a paint brush. It might require several applications.
regards Radha On Monday, December 27, 2021 at 5:47:20 PM UTC-7 JM Garg wrote: > > > -- > With regards, > J. M. Garg > > ---------- Forwarded message --------- > From: M Swamy <[email protected]> > Date: Mon, 27 Dec, 2021, 7:55 pm > Subject: Fwd: Swamy/New series/ID/50 - Infection on mango tree bark. > To: J.M. Garg <[email protected]> > > > Dear members, > I have received the photographs of a mango tree with some infection / > black formation on the tree. Can any body identify what it is and > suggest remedy to over come the problem (infection?). > > > > Photos. > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/de0108f9-ca14-40e9-95a4-fe838ebb1ca6n%40googlegroups.com.
