论文部分内容阅读
近年来,枣疯病在我国各枣区均有不同程度的发生,其中山东、河北、河南等省尤为严重。在我省内黄枣区,枣疯病严重蔓延,仅1987年就刨除病树13万株,影响了枣区的经济效益。枣疯病的病原是类菌质体(MLO),大量科学研究表明,类菌质体对四环素类药物敏感,因此,多年来,国内外研究人员在利用四环素类治疗由类菌质体引起的病害方面做了许多探索,但由于种种原因,作为一
In recent years, jujube bark has occurred in different degrees in various jujube regions in China, among which Shandong, Hebei and Henan provinces are especially serious. Jujube area in our province, jujube crazy spread seriously, only in 1987 to remove 130,000 diseased trees, affecting the economic benefits of jujube. The pathogen of jujube mad is mycoplasma (MLO), a large number of scientific studies have shown that the mycoplasma is sensitive to tetracyclines, therefore, over the years, researchers at home and abroad in the use of tetracycline treatment caused by the mycoplasma Much has been done in disease exploration, but for a variety of reasons, as one