针对辽宁省沈阳市数千棵银杏树近来集体出现黄叶的现象,北京市园林科学研究所丛日晨等园林植保专家认为,银杏树出现病态已成为我国北方许多城市的一个普遍性问题,这说明喜干净整洁、对环境要求较高的银杏树,并不适宜作为北方城市的行道树。丛日晨说,通过对沈阳、北京等地发病银杏树考察发现,如果把生性“娇贵”的银杏当做北方城市行道树的主要树种,就会出现问题。银杏喜欢干净的 Recently, thousands of ginkgo trees in Shenyang City, Liaoning Province, the collective emergence of yellow leaves phenomenon, Beijing Institute of Botany Garden Cong morning and other garden plant protection experts believe that the morbidity of ginkgo tree has become a common problem in many cities in northern China, which Explain hi clean and tidy, higher environmental requirements of the ginkgo tree, not suitable as the northern city of the road tree. Cong morning said that through the onset of Shenyang, Beijing and other ginkgo tree found that if the natural “delicate ” of the ginkgo as the northern city of the main tree species trees, there will be problems. Ginkgo like clean