滇西南蔗区新有害生物-阔叶丰花草

近年来，临沧市部分蔗地发现一种新杂草，经实地调查和查阅相关资料，结果表明该物种是原产于南美洲热带地区，现已入侵广东南部、海南、香港、台湾、福建南部和浙江温岭一带的茜草科新归化种阔叶丰花草（Spermoce latifolia Aubl.），该杂草尚未受到足够的重视。在对其入侵路径及危害、形态特征及消长规律进行归纳的基础上，重点提出了防控建议和防除措施。

Spermacoce latifolia Aubl.As A New Weed in Yunnan Cane Field

A new weed, Spermacoce latifolia Aubl. was found in cane field of Lincang area in Yunnan province in recent years. It is knows that the weed originally distributed in the tropic area of South America, and has invaded into the South part of Guangdong and Fujian provinces, Hainan province, Hongkong and Taiwang areas, and Wenlin area of Zhejiang Province. But it has not been paid enough attention. On the light of its invasive ways, harmness, and the morphological characters and the growing rules, the related prevention and control suggestions were suggested.