51，Sakai A，Kobayashiu S，Oiyama I.Survival by virification of nucellar c ells of navel organ(Citrus sinensis var.brasiliensis tanaka)cooled to - 196℃.J.Plant Physiol.，1991，137:465～470
6Towill L E, Jarret R T. Cryopreservation of sweet potato shoot tips by vitrification. Plant Cell Rep, 1992,11:175-178.
7Litz R E, Conover R A. In vitro propagation of papaya. Hortscience, 1978, 13 (3) : 241 ~242.
8Mondal M, Gupta S, Mukherjee B B. In vitro propagation of shoot buds of Carica papaya L. (Caricaeae) var. Honey Dew. Plant Cell Report, 1990, 8:609-612.
9Sakia A, Kobayashi S, Oiyama I. Cryopreservation of nucellar cells of navel orange ( Citrus sinensis Osb. var. brasiliensis Tanaka) by vitrification. Plant Cell Reports, 1990, 9:30-33.
10Chockpisit Channuntapipat, Graham Collins, Terry Bertozzi, et al. Coopreservation of in vitro almond shoot tips by vitrification. Journal of Horticultureal Science & Biotechnology, 2000, 75 (2) : 228 -232.
