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协作组明确了危害我国番茄主要病毒种类为烟草花叶病毒河UV）、黄瓜花叶病毒（CMV）、马铃薯X病毒（PVX）和马铃薯Y病毒（PVY）、TMV和CMV是导致我国番茄连年大面积减产最主要毒源。鉴定出我国番茄上TMV存在4个株系，其中0——l株系分别为19与11个省（市）的优势株系，探明了这
The cooperative group made clear that the main virus types that endanger the tomato in our country are tobacco mosaic virus (UV), cucumber mosaic virus (CMV), potato virus X (PVX) and potato virus Y (PVY) Area is the most important source of production cuts. Four lines of TMV were identified in tomato in China, of which 0 - 1 lines were the dominant strains of 19 and 11 provinces