Cercospora leaf spot

Cercospora leaf spot

[sər′käs·pə·rə ′lēf ‚spät]
(plant pathology)
Any of several fungus diseases of plants caused by Cercospora species and characterized by areas of discoloration on the leaves.
References in periodicals archive ?
Reaction to Cercospora leaf spot and leaf blight (Xanthomonas sesami) was somewhat similar among most of the genotypes with a mean of about 4.0 on 0-9 scale.
Pea is affected by a number of fungal (rust, powdery mildew, downy mildew, root rot, alternaria blight, aschochyta blight, wilt, anthracnose, cercospora leaf spot, damping off, seedling rot etc.), bacterial (bacterial blight and brown spot), nematode (cyst nematode, lesion nematode and root-knot nematode) and viral diseases (cucumber mosaic virus, pea early browning virus, pea enation mosaic, pea mosaic, pea seed borne mosaic, pea streak and pea stunt).
Image type Mean Mean square Entropy Energy value error No symptoms of image 14767 13.87 5.82 0.019 Big spot disease 109.30 30.27 6.80 0.012 Cochliobolus 125.11 43.41 7.01 0.010 heterostrophus Gray leaf spot 12728 32.63 6.85 0.011 Cercospora leaf spot 146.01 26.39 6.64 0.012 Anthrax 147.14 32.11 6.90 0.009 Table 2: Gray information of pest disease image.
The insects that may attack beets are flea beetles, leaf miners, aphids, Cercospora leaf spot, scab and root rot.
sesami), bacterial leaf spot (Pseudomonas syringae), Alternaria leaf spot (Alternaria sesame) (Cook, 1981), Cercospora leaf spot (Cercospora sesame) (Hansford, 1931), and damping off or root rot (Macrophomina phaseolina).
Beet leaves also can suffer from Cercospora leaf spot, a fungal disease aggravated by poor plant nutrition and warm, humid weather.
Incidence of pests-cassava green spider mites (Mononychellus tanajoa Bondar) (CGM), cassava mealybug (Phenaccocus manihoti Matt-Ferr.) (CM), African cassava mosaic disease (ACMD) and cercospora leaf spot disease (CLSD) were rated on varying scales.
These nemeses include Cercospora leaf spot, cyst nematodes, root-knot nematodes, and curly top virus, among others.
CR09 and CR10 have moderate resistance to Cercospora leaf spot derived from two 1997 Italian accessions named R05 and R06 in the Salinas breeding program.
But fenugreek suffers from many fungal diseases viz., Cercospora leaf spot caused by Cercospora traversiana, root rot (Rhizoctonia solani), leaf spot (Ascochyta sp.), powdery mildew (Erysiphe polygoni), downy mildew (Peronospora trigonellae) and Fusarium wilt (Fusarium oxysporum) (Prasad et al., 2014) (3).
In addition, BARI-2011 is drought tolerant, has more shelling percentage and has resistance against Cercospora Leaf Spot (Tikka disease) and root rot.