兰州市银杏日灼焦叶现象调查与分析

Investigation and Analysis on Ginkgo biloba Sunscald in Lanzhou

注意到兰州市种植的银杏树在高温炎热的夏季发生日灼焦叶现象。调查发现,兰州市银杏行道树日灼焦叶现象比较普遍,绿地种植的银杏树则轻微,进而分析了灼害产生原因,并提出防治建议。

Ginkgo biloba sunscald likely to occur in the summer especially when the high temperature in Lanzhou city. Ginkgo biloba sunscald of within the urban street trees is serious than planting in the green belt. So this paper analyzed the causes of sunscald, and puts forward some prevention advice.