PROGRESSES OF THE STUDIES ON PLANT SYSTEMATICS AT DNA LEVEL Phylogenetic analysis of Paeonia sect. Moutan (Paeoniaceae) based on multiple DNA fragments and morphological data The Determination of Nuclear DNA Content (2Cvalue) on Some Representative Genus and Species of Magnoliaceae Research improvements on molecular mechanism of cytoplasmic male sterility in higher plant DISCUSSION ON THE GENOME SIZE OF SEVERAL SPECIES OF LILIACEAE The Effects of Preservation Methods and Storage Time on Estimating the Nuclear DNA Content (2C-value) of Bamboos Analysis of Indica-Japonica Characteristics in Thermo-Sensitive Genic Male Sterile Rice Line Zhu 1S Review on relationship between invasiveness of plants and their DNA C-value The Determination of Nuclear DNA Content (2Cvalue) on Some Representative Genus and Species of Magnoliaceae Operation Skills of Flow Cytometer for Detecting Nuclear DNA Contents in Higher Plant Cells