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近几年,每到5月末6月初,山西省介休市街、路绿化乔木——银杏就开始出现叶片枯黄现象,6月中旬以后叶片枯黄现象逐渐加重,甚至整株叶片全部枯黄,并开始脱落。不仅影响介休市街、路绿化形象,而且对银杏树本身也造成了极大伤害,尤其以2009年表现更为严重。针对近几年街、路银杏叶片枯黄的现象,我们开展了大量的调研工作,分析了出现叶片枯黄现象的主要原因,并制定了相应的对策。
In recent years, at the end of May and the beginning of June and the beginning of June each year, the greenery of greenery and green trees in Jiexiu Street, Shanxi Province, began to withered the phenomenon of yellowish leaves. After mid-June, the phenomenon of yellowing of the leaves gradually aggravated, and even the entire leaves became yellowish and began to fall off . Not only affect the Jiexiu streets, green image, but also on the ginkgo tree itself has caused great harm, especially in 2009 more serious performance. In recent years, street, road ginkgo leaf yellow phenomenon, we conducted a lot of research work, analyzed the main reason for the emergence of the phenomenon of leaf yellow, and developed the corresponding countermeasures.