7Stegemann S, Bock R. Exchange of genetic material between cells in plant tissue grafts [ J ]. Science, 2009 ( 324 ) : 649 651.
8Jensen P J, Rytter J, Detwiler E A, et al. Rootstock effects on gene expression patterns in apple tree scions[ J]. Plant Molecnlar Biology, 2003 (493) :493-511.
9Jensen P J, Makalowska I, Ahtnan N, et al. Rootstock-regulated gene expression patterns in apple tree scions [ J ]. Tree Genetics and Genomes, 2010(6) :57-72.
10Read P E, Gu S. A century of American viticulture [ J]. HortScience, 2003, 38 ( 5 ) :943-951.