First Report of Powdery Mildew Caused by Oidium lycopersici in Field-grown Tomatoes in California

first report of powdery mildew of rosa persica caused by leveillula taurica from iran

during the study of powdery mildew related to erysiphaceae family from abardeh region in mashhad (khorasan-e-razavi province), one species of rose (rosa persica michx.ex juss, summer 2006) with symptoms of powdery mildew was collected. the symptoms observed with the naked eye including the dense cottony shape mycelia infected the leaf surfaces as well as some parts of the stem. mycelia were den...

Powdery mildew of soybeans.

Powdery mildew as invasive plant pathogens: new epidemics caused by two North American species in Europe.

This number of Mycological Research News features: In this issue; Fungi associated with insects or used for applied biocontrol ; Powdery mildews as invasive plant pathogens: new epidemics caused by two North American species in Europe; and Genetic differences among nuclei in arbuscular mycorrhizal fungi. This theme issue on fungi associated with insects includes ten papers on this topic. These ...

Powdery Mildew of Cucurbits in Florida1

1. This document is HS1067 one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date June 28, 2006. Visit the EDIS Web Site at http://edis.ifas.ufl.edu. 2. Hector G. Nuñez-Palenius, Graduate Assistant; Daniel J. Cantliffe, Professor and Chair, Horticultural Scienc...

Association of leaf micro-morphological characters with powdery mildew resistance in field-grown mulberry (Morus spp.) germplasm

BACKGROUND AND AIMS Micro-morphological characteristics can influence fungal infectivity. We sought links between micro-morphology and resistance to powdery mildew in mulberry with the intention of assisting selection of disease-resistant lines. METHODOLOGY Over 3 years and under field conditions, we evaluated 30 lines of mulberry with contrasting susceptibilities to powdery mildew (15 resist...