leaf spot

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leaf spot

[′lēf ‚spät]
(plant pathology)
Any of various diseases or disorders characterized by the appearance of well-defined discolored spots on the leaves.
References in periodicals archive ?
F-mix is a cultivar with high levels of resistance to early and late leafspot and is well adapted to the high rainfall belts of northern Ghana (Marfo and Padi, 1999).
Skinner is also using DNA markers to study genetics of fungi that cause leafspot disease in alfalfa.
It is highly effective against powdery mildew, downy mildew, black rot and Phomopsis cane and leafspot on grapes; scab and anthracnose on pecans; white mold, Rhizoctonia limb and peg rot, and early and late leaf spot on peanuts; blossom blight and scab on peaches; and black sigatoka on bananas.
8:45 EVALUATION OF DIFLUBENZURON (DIMLIN[R]) TO CONTROL CERCOSPORA SOJINA, THE FROGEYE LEAFSPOT PATHOGEN OF SOYBEAN
Nkatiesari has high kernel yields, has good fresh seed dormancy, and is resistant to early and late leafspot infections [caused by Cercospora arachidicola S.
At one location in Wisconsin, York had superior brown leafspot [caused by Pyrenophora bromi (Died) Drechs.
Plots were rated for various diseases, but brown spot leafspot and root rot were the most prevalent diseases.
North American cultivars also had 18% lower leafspot reactions than the other cultivars, suggesting that part of their adaptive difference may be due to better resistances to local diseases.
Reaction of orchardgrass cultivars to purple leafspot caused by Stagonospora arenaria.
Relationships among late leafspot, healthy leaf area duration, canopy reflectance, and pod yield of peanut.
Nu Destiny exhibited good resistance to leafspot [caused by Drechslera poae (Baudys) Shoem] and showed good resistance to leaf rust (caused by Puccinia coronata Corda var.