PRELIMINARY STUDIES ON ULTRASTRUCTURE OF THE NUCLEAR POLYHEDROSIS VIRUS OF ECOTROPIS OBLIQUA

Ⅰ. INTRODUCTION Ecotropis Obliqua (EO)is one of the main insects deadly harmful to tea trees in Jiangsu, Zhejiang and Anhui provinces of China. In 1977, Zhao Yefeng and his colleagues made the first discovery of Ecotropis Obliqua Nuclear Polyhedrosis Virus (EONPV) in China. So far nothing about EONPV has been reported abroad. Zhu Gaokai et al.,