论文部分内容阅读
由真菌Miclocyclus ulei引起的南美叶疫病是中、南美洲橡胶树的一种地域性病害,迄今仍局限在从墨西哥的埃尔巴马(北纬18度)到巴西的的圣保罗州(南纬24度)这一地区。此病从1905年首次发现至今已有80年,曾经先后摧毁过这一地区种植的大片
The South American leaf blight caused by the fungus Miclocyclus ulei is a regional disease of the rubber tree of Central and South America that until now has been confined to Mexico from El Bama (latitude 18 degrees North) to São Paulo Brazil (24 degrees South) This area. It has been 80 years since it was first discovered in 1905 and has once destroyed a large area planted in this area