6Louzada E S,Rio H S.Sctamou M,et al.Evaluation of citrus rooatocks for the high pH,calcareous soik of South Texas[J].Eu-phytica,2008.164:13-18.
7Verdejo-Lucas S,Galeano M,Sonibas F J,et al.Effect on resistance to Tylenchuluj semipenetrans of hybrid citrus rootstocks subjected to continuous exposure to high population densities of the ne-matode[J].European Journal of Plant Pathology,2003,109:427-433.
8Mendes B M J,Mouraa filho F D A A,FariasP C D M,et al.Citrus somatic hybridization with potential for improved blight and CTV resistance[J].In Vitro Cell Dev Biol-Plant,200137:490-495.
9Jacas J A.Garrido A,Margaix C,et aL Screening of different citrus rootstocks and citrus-related species for resistance to Phyllocnistis citrella (Lepidoptcra:Gracillariidae)[J].Crop Protection,1997,16(8):701-705.