摘要
为了总结银杏日灼焦叶症发病规律,探索防治策略,对兰州市银杏日灼焦叶症进行了病程调查。结果表明,调查当年,兰州市园林绿化中银杏日灼焦叶症主要发生在8月上中旬,在高温晴朗干燥天气中病斑渐次蔓延,行道树或孤植树病情重于园林绿化小区,东西向路行道树病情重于南北向路,其中路南病情又重于路北。最后,对树干营养吊袋技术、抗蒸腾剂、菌根菌接种在银杏日灼焦叶症防治中的应用进行了理论分析,并给出相关建议。
In order to study the leaf scorch disease of Ginkgo biloba and explore the prevention and control strategies, the leaf scorch disease of Ginkgo biloba in Lanzhou city was investigated. The results show that, the leaf scorch disease mainly occurred in the middle of august, disease spot in the high temperature dry fine weather gradually spread, the disease of the road tree or solitary tree is more important than the trees in the landscaping community, the disease of tree in east and west road is more than in north-south road, among them, the trees in the south are more serious than the north. In the end, the application of the nutrition bag technology, transpiration resistant agent and mycorrhizal inoculation in the prevention and control of Gingko biloba was analyzed and the suggestions were given.
作者
王俊杰
WANG Jun-jie(Gansu Academy of Forestry,Lanzhou 730020,China)
出处
《甘肃林业科技》
2018年第1期38-44,共7页
Journal of Gansu Forestry Science and Technology
基金
甘肃省林业技术推广项目"果树放野先导研究"(甘林计函[2016]187号)
关键词
银杏
日灼焦叶症
病程
调查
Ginkgo biloba
the leaf scorch disease
course of the disease
investigation
