close rose leaf affected black spot disease

navigate by keyword : affected black brown chlorosis close closeup common control damage defoliation diplocarpon disease diseased falling fungal fungi fungus garden green health humid ill illness infected infection infectious infects infest leaf leaves macro microorganism mould necrosis overwinter pathogen pathology plant prevention problem reduces rosae rose roses serious sick spot spread treatment vigour

Gardener holds rose leaf with black spot disease. Close-up leaf shows fungal infection, leaf spots, yellowing caused by Royalty Free Stock Photo

Close-up of rose leaf with Diplocarpon rosae, also known as black spot disease. Plant with fungal infection spots. Diseases in Royalty Free Stock Photo

A close up of a rose leaf affected by black spot disease. Royalty Free Stock Photo

Diplocarpon rosae, rose black spot disease Royalty Free Stock Photo

Black spot disease affecting rose bush leaves: diplocarpon rosae fungus on plant Royalty Free Stock Photo

A close up of a rose leaf affected by black spot disease.

Black spot disease is the most serious disease ofÃÂ roses caused by a fungus, Diplocarpon rosae, which infects the leaves and greatly reduces plant vigour.