【摘要】 广西砂仁叶疫病发生普遍而严重,一般株发病率高达88～100%,病情指数48.1～64.4.本文主要报道该病的症状表现、病原培养特性、发生规律及防治研究结果.采用以农业防治为主,结合高效低毒药剂防治为辅的综合防治措施,在大面积防治示范中,效果极佳.更多还原

【Abstract】 Amomum villosum Lour leaf blight was a common severe disease in Guangxi. In general, incidence of disease plant was as high as 88-100%, and disease index was 48.1-64.4. The pathology, cultural feature of pathogenetic fungi, regular pattern of outbreak and control Programme are reported in this paper. The comprehensive control measure to lay emphasize on the agricultural control and complemented with high effective and safety fungicide was employed. A notable beneficial result was obtained in the control demonstration of wide fields.更多还原