论文部分内容阅读
本世纪初传入北美的栗疫病(Cryphone-ctria parasitica)对当时相对年轻的植物病理学构成了最主要的挑战。这种传入纽约城珍贵栗树上的浅桔黄色子囊菌长期以来并没有给人们留下奇特性。科学家们很快就澄
The Cryphone-ctria parasitica introduced into North America at the beginning of this century posed the most serious challenge to the then young plant pathology. The Aspergillus bacterium introduced into the precious chestnut trees of New York City has long left no strangeness to people. Scientists quickly Cheng