<;P>;PROBLEM TO BE SOLVED: To provide a new method for quickly and stably repressing endogenous genes of Cucurbitaceae plants useful as vegetables or fruits. <;P>;SOLUTION: The method for repressing the endogenous genes of Cucurbitaceae plants comprises a process of inoculating Cucurbitaceae cotyledons with a recombinant apple latent spherical virus (ALSV) including the DNA of an endogenous gene of Cucurbitaceae plants. <;P>;COPYRIGHT: (C)2010,JPO&INPIT