论文部分内容阅读
桃树红叶病具有以叶片季节性红化为主的综合症状,80年代以来广泛发生,局部地区病害严重。曾报道为病毒病害,可能病原病毒粒体类似番茄斑萎病毒(TSWV)。1995~1997年对红叶病病原进行了研究。对郑州、北京地区9个桃园的调查发现症状普遍率为1.4%~96?
Peach tree leaf disease with leaf seasonal red syndrome-based syndrome, widespread since the 1980s, serious disease in some areas. It has been reported as a viral disease that the pathogenic virion may be similar to tomato spot wilt virus (TSWV). From 1995 to 1997, the pathogen of red leaf disease was studied. In Zhengzhou, Beijing, 9 Taoyuan survey found that the prevalence rate of 1.4% to 96?