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varieties to evaluate tolerance to powdery mildew ( Podosphaera xanthii ) and downy mildew ( Pseudoperonospora cubensis ) infection under field conditions in 2005. Powdery mildew (PM) and downy mildew (DM) are important diseases of cucurbit crops in the mid

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humid lowland tropics. Declining flower production accompanied an increase in the presence of foliar diseases, especially powdery mildew ( Podosphaera xanthii ), downy mildew ( Pseudoperonospora cubensis ), and various potyviruses ( Potyvirus ). In

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mildew [ Podosphaera xanthii (Castagne) Braun and Shichkoff]. These NILs have been grown in Cabrils, in S-free greenhouse conditions, without signs of leaf necrosis. Perchepied et al. (2004) found that S susceptibility is common in melon accessions

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diseases including root-knot nematodes ( Meloidogyne incognita ), bacterial fruit blotch ( Pseudomonas avenae ssp. citrulli) , gummy stem blight ( Didymella bryoniae ), and powdery mildew ( Podosphaera xanthii ) ( Davis et al., 2007 ; Gusmini et al

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case is the use of Indian germplasms in breeding programs for resistance to the fungi Podosphaera xanthii and Golovinomyces cichoracearum , the main causal agents of powdery mildew in cucurbits. A preliminary study of the extant Brazilian germplasm

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powdery mildew ( Podosphaera xanthii Schlecht.), respectively. Other practices were consistent with the recommended cultural practices for the regions ( Sharma et al., 2019 ). Fruit yield and component traits. Fruits were harvested at half when an

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vectoring plant disease. For example, Herbert et al. (2009) found that the crapemyrtle aphid ( Sarucallis kahawaluokalani ) had greater fitness on cultivars and hybrids resistant to powdery mildew ( Podosphaera xanthii ). Similarly, Chappell et al. (2012

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