PHYTOECOLOGICAL EFFECT OF Al3+ ON THE INDUCTIVITY OF PROGRAMMED CELL DEATH OF BORDER CELLS IN SOYBEAN ROOT Early Development of Pollen Chamber in Ginkgo biloba Ovule Death Manner of Host Parenchymatous Cells in Infecting Early Stage of Pine Wilt Disease Detection of Antioxidant Enzymes and DNA Dynamic Changes during Senescence of Eucalyptuses Phellogen Zone Cloning and Characterization of Beclin1-ike Gene in Eupatorium odoratum L. buds