3Garnsey S M, Permar T A, Cambra M, et al. Direct tissue blot immunoassay (DTBIA) for detection of citrus tristeza Virus (CTV). Proc 12th Conf IOCV,1993,39~50
4Navarro L, Roistacher N C, Murashige T. Improvement of shoot- tip grafting in vitro for virus- free Citrus. J Amer Soc Hort Sci, 1975,100(5):471~479.
5Navarro L. Citrus shoot-tip grafting in vitro (STG)and its application: a review Proc Int Soc Citriculture, 1981,1:452~456.