States, Israel, and Europe, commercial sweet basil is readily identified by a distinct phenotype and chemotype used in the fresh, dried, and culinary industries ( De Masi et al., 2006 ; Simon et al., 1990 ). Downy mildew has become a devastating disease
their morphology relative to growth habit; size, shape, texture, and orientation of leaves; and color of leaf, stem, and flower, resulting in a wide variety of ornamental cultivars ( Simon et al., 1999 ). Basil downy mildew, caused by Peronospora
Sweet basil is the most commonly grown and economically important species of basil in the world ( Vieira and Simon, 2006 ). Basil downy mildew is a significant pathogen of sweet basil. Infection causes yellowing of the leaf tissue in bands delimited
moisture content for the fresh market and volatile oil content for the processing market. Downy mildew of basil, caused by the oomycete Peronospora belbahrii Thines (Peronosporales: Peronosporaceae) ( Thines et al., 2009 ), has become the most devastating
). Global production of sweet basil is being threatened by a newly emerging disease, basil downy mildew caused by the obligate oomycete Peronospora belbahrii ( Belbahri et al., 2005 ; Thines et al., 2009 ). Ten years after being reported in Europe
Cucurbit downy mildew is one of the most devastating and widespread diseases of cultivated cucurbits in the United States and worldwide ( Call et al., 2013 ; Lebeda et al., 2011 ; Ma and Cui, 1995 ; Neykov and Dobrev, 1982 ; Thomas, 1996 ). The
Downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis (Berk. & cucumber ( Cucumis sativus L.) ( Palti and Cohen, 1980 ). Other economically important hosts of P. cubensis are melon ( Cucumis melo L.), watermelon [ Citrullus
Cucurbit downy mildew caused by the oomycete Pseudoperonospora cubensis is economically the most important disease of cucumber ( Cucumis sativus L.) ( Palti and Cohen, 1980 ). Studies on the host range of P. cubensis indicate that ≈20 genera
manufacturing perfumes, food flavors, and aromatherapy products ( Simon et al., 1990 ). Basil downy mildew, caused by Peronospora belbahrii , is an economically important disease of basil species in the United States ( Roberts et al., 2009 ; Wyenandt et al
Niche hop ( Humulus lupulus L. var. lupulus ) production occurs throughout the eastern United States ( George, 2020 ). However, the wet and humid environment of these regions incite annual epidemics of downy mildew (DM) [ Pseudoperonospora