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松干蚧在南京地区早已发生,但于1973年才被发现,紫金山15,000多亩松林中的马尾松、赤松等普遍受害。被害后,树势严重衰弱,大量枯死,影响了林业生产和风景区的景貌。在无产阶级文化大革命和批林批孔运动推动下,我们对该虫在南京地区的发生情况和防治措施,作了两年的调查研究,现整理如下,供参考。
Song Kuwana has long occurred in Nanjing, but it was only discovered in 1973 that the massacre of Pinus massoniana, Pinus densiflora and others in 15,000 mu of pine forests in Zijin Mountain were generally harmed. After the victims, the tree vigor seriously weakened, a large number of dead, affecting the landscape of forestry production and scenic areas. Under the impetus of the Great Proletarian Cultural Revolution and the campaign of criticizing Lin and Pidai holes, we conducted a two-year investigation and study on the occurrence and prevention and control measures of the pest in Nanjing and are now organized as follows for reference.