在植物病理学领域,病害诊断是门复杂的学问,尤其是对那些症状不明显或有病状却无病症的病害。近十多年来,随着科学技术的发展,以及各学科间的相互渗透和结合,许多适用于植物病害诊断的新技术相继问世并得到很快的发展。现简介如下。 In the field of plant pathology, disease diagnosis is a complex science, especially for those diseases where the symptoms are not obvious or there is no symptoms. In the recent ten years, with the development of science and technology and the mutual penetration and combination of various disciplines, many new technologies applied to the diagnosis of plant diseases have been developed one after another and developed rapidly. Now the introduction is as follows.