Improvement of the Cell Nuclei Suspensions for Flow Cytometry and Comparison on the Cell Division Activity of Litchi Fruitlet and Pericarp Which Having Different Final Fruit Size Variation of fruit size and its shape of Cylcobalanopsis glauca in the eastern subtropical zone,China Improvement of the Cell Nuclei Suspensions for Flow Cytometry and Comparison on the Cell Division Activity of Litchi Fruitlet and Pericarp Which Having Different Final Fruit Size Studies on Endogenous Hormones in the Pericarp of ‘Feizixiao’Litchi in Relation to Different Fruit Sizes from Early and Late Bloom