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用10余种杨树皮酚类化合物提取液,测定对杨树溃疡病菌的抑制作用,邻苯二酚含量较高的抗菌作用较强。同时用10余种酚化物试剂也验证邻苯二酚的作用最明显。健康植株和抗病品种树皮的邻苯二酚含量比病株和感病品种高。可见邻苯二酚是杨树皮中抑制溃疡病的一种主要化合物。
With more than 10 kinds of poplar bark phenolic compound extracts, the determination of the inhibition of poplar canker bacteria, catechol content higher antibacterial effect. At the same time with more than 10 kinds of phenolic reagents also verify the role of catechol most obvious. The content of catechol in the bark of healthy and resistant cultivars was higher than that of diseased plants and susceptible cultivars. Visible catechol poplar bark inhibition of ulcer disease is a major compound.