A STUDY ON TAXONOMIC POSITION OF PAEONIA LUDLOWII COMMENTS ON THE TAXONOMIC POSITION OF SOME GENERA IN STERCULIACEAE ANALYSIS OF THE ORIGIN AND THE TAXONOMIC POSITION OF JUGLANS HOPEIENSIS USING RAPD MARKERS Study on the Taxonomic Position of Iris subdichotoma and a New Form Identification and characterization of antagonistic bacterial strain P-72-10 against Phytophthora nicotianae