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(A–H) pTRV-Slfzy silent plant tomato pollen vitality dyeing was observed by I2-KI staining. (A) Represents CK; (B–H) represent pTRV-Slfzy2, pTRV-Slfzy3, pTRV-Slfzy4, pTRV-Slfzy5, pTRV-Slfzy2+3, pTRV-Slfzy2+4, pTRV-Slfzy2+5, respectively, scale bar = 100 μm; (I) statistics of pollen vitality. * Indicates significant difference (p < 0.05, Student’s t-test).
