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湿地松原产于美国东南部,近年来陕西省安康、汉中、西安等地、市的一些县广为引种,长势很好,但自1983年以来,在安康县境内引种的5年生湿地松上,发生了一种危险性的传染病一湿地松枯梢病,造成幼树大量枯梢,严重影响树木的生长,有碍于引种工作的顺利开展。松枯梢病[Diplodia.pinea(Desm.)kickx.]是一种世界性的病害。国外对该病的研究较多,国内只对樟子松枯梢病有较系统的研究。湿地松枯梢病未见有报道。为此,于
Slash pine native to the southeastern United States, Shaanxi Province in recent years, Ankang, Hanzhong, Xi’an and other places, some of the city widely introduced, growing well, but since 1983, introduced in Ankang 5-year-old wetland pine, A dangerous contagious disease occurred, which led to a lot of shoots of saplings, which seriously affected the growth of trees and impeded the smooth introduction of the introduction work. Pine blight [Diplodia.pinea (Desm.) Kickx.] Is a worldwide disease. There are more researches on this disease in foreign countries. Slash pine Shoots have not been reported. To this end,