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危害植物的病毒种类繁多，造成的损失惨重。在尚无良好的化学农药的情况下，国内外在抗病毒物质研究方面，取得了一定的进展［１～４］。据报道部分抗病毒菌素对植物病毒病的抑制和延缓病害发生具有一定作用［１］，但仍然无法应用于田间病害的防治上。为此，多年来作者致力于
A wide range of viruses that endanger plants, causing heavy losses. In the absence of good chemical pesticides, some progress has been made in the research of antiviral substances at home and abroad [1 ~ 4]. It has been reported that part of the anti-viral antibiotics has a certain effect on the inhibition of plant virus diseases and the delay of disease occurrence [1], but still can not be applied to the prevention and treatment of field diseases. For this reason, for many years the author is devoted to