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植物黄化病是一类常见的植物病害。其主要症状为:叶片黄化,植株矮化,侧枝丛生,花部变叶,生长阻滞等。它是一种整株性植物病害,随着症状加剧,使植株衰弱,最后可致死。草本植物患黄化病后的症状,通常比木本植物更为显著。植物黄化病造成严重损失,如我国泡桐丛枝病在主要泡桐产区普遍发生,其中华北平原尤为严重,以山东省荷泽、济宁两地市泡桐老产区为例,一般发病株率在50%左右,重者在80%以上,个别发病重的地段甚至达100%。据调查资
Plant yellow disease is a common type of plant disease. The main symptoms are: leaf yellowing, plant dwarfing, collateral tufts, flower department leaves, growth retardation and so on. It is an entire plant disease that, as the symptoms worsen, make the plant weak and eventually die. The symptoms of yellowing in herbs are usually more pronounced than in woody plants. Phyllostachys plant disease caused serious losses, such as the Chinese Paulownia broom disease occurs in the main Paulownia producing areas, of which the North China Plain is particularly serious, Heze, Shandong Province, Jining two areas Paulownia old producing area, for example, the average incidence of strains in the 50% or so, severe cases in more than 80%, even the incidence of individual areas even up to 100%. According to the survey funding