Both areas are favorable for foliar pathogens of the pecan tree, the most prominent being Fusicladium effusum G. Winter, causal agent of scabs; Cercospora fusca F.V. Rand, brown spot; Gnomonia dispora Demaree &amp; Cole, stains in the veins of the leaf; Colletorichum spp., anthracnose; Microsphaera penicillata Wallr.
Ambas zonas son favorables para patógenos foliares del nogal, entre los que destacan Fusicladium effusum G. Winter, agente causal de la costra o roña; Cercospora fusca F.V. Rand, mancha café; Gnomonia dispora Demaree &amp; Cole, mancha de las venas de la hoja; Colletorichum spp., antracnosis; Microsphaera penicillata Wallr.