红花尔基樟子松林区(N 47°54′-48°54′,E 119°46′-120°30′)是我国三大乔木种子基地之一,几十年来为全国各地绿化,特别是为“三北”地区绿化,提供了大量的优良种子,近几年来,该林区病害日益严重,种类也逐年增加,发病严重的林分成片枯死。为了摸清该林区病害种类,发病规律和探讨防治方法,我们对该林区病害进行了调查研究和鉴定,现将材料整理如下。 Hongheerji Pinus sylvestris forest area (N 47 ° 54’-48 ° 54 ’, E 119 ° 46’-120 ° 30’) is one of the three major tree seed bases in China. For decades, it has been used for afforestation all over the country. It provided a large number of excellent seeds for afforestation in the “Three Norths” region. In recent years, the diseases in this forest area have been getting worse and worse. The types of pests also increase year by year. In order to find out the types of diseases in the forest, the incidence of law and explore ways to prevent and control, we conducted a survey of the disease in the forest and identification, the material is now organized as follows.