rhytisma acerinum वाक्य
"rhytisma acerinum" हिंदी में rhytisma acerinum in a sentenceउदाहरण वाक्य
- Less serious is the fungus " Rhytisma acerinum " which often forms the disease known as tar spot, in which black spots with yellow margins form on the foliage.
- Norway maple is generally free of serious diseases, though can be attacked by the powdery mildew " Uncinula bicornis ", and verticillium wilt disease caused by " Verticillium " spp . " Tar spots " caused by " Rhytisma acerinum " infection are common but largely harmless.