Potato proteinase inhbitor Ⅱ (PIN Ⅱ) gene (pin2) and ppt gene bar had been introduced into the pakchi(B. rapa ssp. chinensis)genome by agrobacterium mediated vacuum infiltrateion transformation. Transformants were stricktly selfed.and the segregation of the selectable marker bar gene were examed in the generation of T2 and T3. Insect bioassay of Plutella xylostella L. revealed that larvae fed with transgenic leaf tissue had a obvious higher mortality,and the developments of them were retaded compated with t...
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