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First Report of Fusarium petroliphilum Causing Fruit Rot of Butternut Squash in Spain

Publicado en:Plant Disease. 102 (8): 1662-1662 - 2018-01-01 102(8), doi:

Garcés Claver, Ana Belén;

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Resúmen: Severe fruit rot of butternut squash (Cucurbita moschata Duchesne), a fruit widely consumed and cultivated in Spain, was observed in 2016 in cultivated fields and at storage conditions in Valencia Province (southeast Spain). Fruits exhibited sunken lesions that eventually extended into the flesh and led to 10 to 20% postharvest losses. Small (3 to 4 mm) pieces of rotted tissues were surface disinfected for 1 min in 1.5% NaOCl, washed twice with sterilized distilled water, and plated onto potato dextrose agar (PDA) amended with streptomycin sulfate (0.5 g liter–1). Plates were incubated at 25 C in the dark for 3 to 5 days. Fusarium colonies were consistently isolated, transferred to PDA and Spezieller Nährstoffarmer Agar (SNA) culture media for morphological identification, and identified as belonging to the Fusarium solani species complex (FSSC) based on morphology on SNA. Sporodochial macroconidia were 3 to …

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