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杉木炭疽病[Glomerella cingulata(Stonem.)Schr. et Spauld.]近年来已成为我国南方各省杉木林中普遍发生的病害,有的地方发病很严重,虽各地进行了研究和防治试验,但目前还缺少经济有效的防治方法。因而选育对炭疽病抗性较强的杉木优树家系,是大面积防治这种病害的重要途径。各地在选择杉木优树和建立种子园的过程中,虽然也注意了病虫害的问题,但一般尚不确知杉木优树是否具有优良的抗病特性,这是
In recent years, it has become a common disease in Chinese fir forests in various provinces of our country. In some places, the incidence of the disease is very serious. Although research and prevention and control tests have been conducted in various places, Lack of cost-effective control methods. Therefore, the breeding of Cunninghamia lanceolata resistance to anthracnose family, is an important way to control this disease in a large area. Although the disease and pest problem has been noticed in the selection of the best tree and the establishment of the seed orchard in other parts of the world, it is generally not yet known whether the excellent and disease-resistant characteristics of the tree