Expression of Zinc Finger Protein Gene in Populus alba×P.berolinensis in the Infection Process by Cytospora chrysosperma Study on the Difference in Expression Profiles of microRNA Among Leaf Organs of Triploid and Diploid Populus×euramericana cl.‘Zhonglin46’ Cloning and Expression Analysis of miR390-Targeted TAS3 Gene from Strawberry Cloning and Expression Analysis of A Glycine-rich RNA-binding Protein Gene from Tamarix hispida Initial practice of Real Time PCR for the expression of SS gene in Panax notoginseng