Assertion: saffron's effect | /r/HasProperty | described for potyviruse
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text: Ultrastructural variations, the typical cytopathological effects described for potyviruses, were also found in C. sativus and Crocus cartwrightianus (wild and ornamental species, a putative ancestor of saffron) leaves collected from asymptomatic apparently healthy plants (Grilli Caiola & Faoro, 2011 ).