紫苏为唇形科紫苏属一年生草本植物,在日本和中国栽培普遍,它既是营养丰富的特菜,又是疗效良好的中药,还是用途广泛的工业原料,有着较为广阔的发展前景。上海松江地区已连续种植出口紫苏多年,因此在生产中发现了有菌核病、锈病、疫病、立枯病、黑根(根腐)病、灰霉病、斑点病、斑枯病等10多种常见的病害,现将上海地区出口紫苏主要三大病害症状与发生规律及其防治技术介绍如下。 Basil is an annual herb of the genus Labiatae, which is widely cultivated in Japan and China. It is not only a nutritious special dish, but also a curative traditional Chinese medicine, or a widely used industrial raw material, which has a promising prospect. Shanghai Songjiang area has been continuously exported perilla for years, so sclerotinia, rust, blight, fall blight, black root (root rot) disease, gray mold, spot disease and spot blight found in production A variety of common diseases, the export of basil in Shanghai are now the main three symptoms and the occurrence of disease prevention techniques are described below.