Centenary on S.G.Nawaschin‘s Discovery of Double Fertilization: Retrospects and Prospects STUDIES ON THE DOUBLE FERTILIZATION AND EMBRYOGENY IN DENDROBIUM CANDIDUM WALL. EX LINDL. Studies on Fertilization of Hemerocallis citrina Baroni ABSERVATION OF DOUBLE FERTILIZATION OF PASSIFLORA EDULIS F. FLAVICARPA DEG Embryology of Astragalus mongholicus Bge. Study on Embryology of Tricyrtis maculata (D.Don) Machride Observations on Fertilization in Sugar Beet Observation on the double fertilization in rice by using confocal microscopy MORPHOLOGICAL AND CYTOLOGICAL OBSERVATIONS OF DOUBLE FERTILIZATION IN SETARIA ITALICA Cytologic Observations on the Double Fertilization in Maize THE DOSE EFFECT OF IKKADIATED RICE POLLEN ON DOUBLE FERTILIZATION Observations on fertilization and early development of embryo and endosperm in Aneurolepidium chinense A one-step rectification of sperm cell targeting ensures the success of double fertilization Characteristics of Pollen Tube Growth and Double Fertilization in Arundinaria simonii f.heterophylla(Bambusoideae) Cytological Studies of the Double Fertilization in Panicum miliaceum L. A Preliminary Observation on the Double Fertilization and Post-Fertilization Development of Ypsilandra thibetica Franch Studies on Fertilization of Hemerocallis citrina Baroni