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Leaf spot symptoms on Ocimum gratissimum a: Host plant habitat; b: Enlarge view of host plant c: Leaf spots on upper surface d: Leaf spots on lower surface c-d = 20 mm.
Source publication
A new leaf spot disease was observed during the 2014 on Ocimum gratissimum in the BSIP Garden of Uttar Pradesh (India), causing significant damage to the host. The symptoms produced by the associated fungus consisted of necrotic dark brown, circular to sub-circular, up to 5 mm spots on both surfaces of the leaves. A fungus having distinct dictyospo...
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Citations
... The symptoms started from middle of the leaves as small light brown, circular to sub circular spots but in some spots coalesce to form necrotic spots and cover large area. Similar symptoms were reported by Kumar et al. (2016) [7] and Garibaldi et al. (2011) [6] that the disease affects 10% of 60 day old plants and 40% of 5-month-old plants. The brownblack lesions often surrounded by a yellow halo developed from the margins and tips of the upper side of older leaves, leading to the progressive defoliation of plants, followed by plant death. ...
... The symptoms started from middle of the leaves as small light brown, circular to sub circular spots but in some spots coalesce to form necrotic spots and cover large area. Similar symptoms were reported by Kumar et al. (2016) [7] and Garibaldi et al. (2011) [6] that the disease affects 10% of 60 day old plants and 40% of 5-month-old plants. The brownblack lesions often surrounded by a yellow halo developed from the margins and tips of the upper side of older leaves, leading to the progressive defoliation of plants, followed by plant death. ...
