Cryopreservation of in vitro-cultured multiple bud clusters of asparagus (Asparagus officinalis L. cv Hiroshimagreen (2n=30) by the techniques of vitrification.

A culture line of asparagus forming green bulbous structures consisting of numerous multiple bud clusters designated "bud clusters" was induced from a meristem culture of asparagus (Asparagus officinalis L.cv. Hiroshimagreen, 2n=30).