湖北省外来入侵植物的初步研究

通过调查和对文献资料的整理和分析，初步确定湖北省外来入侵植物有56种，隶属于20科41属，其中菊科的种类最多，有13种，其次是苋科和蝶形花科，分别有6种、5种．从来源看，有35种来源于美洲，其他种来源于欧洲、亚洲、非洲等地区．人侵植物中有杂草54种。包括2种被列为我国的检疫杂草。即豚草和毒麦．这些外来物种的入侵，特别是一些有毒或恶性杂草的侵入与蔓延．已对省内部分地区产生了许多负面的影响．对其传人途径、主要危害以及防治措施也作了初步的分析。

Study on the current status of invasive plants in Hubei province

56 species of invasive plants belonging to 41 genuses,20 families are identified and recorded in Hubei based on investigation and referring to the related literatures, there are 13 species belonging to Compositae,which is the most. Following the Compositae, the Amaranthaceae and the Papilionaceae consists of 6 species and 5 species. Among the invasive plants which originate from various regions in the world,35 species originate from America,the other originate from Europe,Asia and Africa etc. The invasive plants contain weed 54 species, including Ambrosia artemisiifolia L. and Lolium temulentum L.,which are quarantined weed in China. These invasive plants, especially some poisonous or virulent weed, have done harm to some zones of Hubei province. Resultantly, the paper studied species and the distributing of the invasive plants in Hubei, and primarily analyzed the invasive route, dominating harm, preventable and cure measures. These results avail plant quarantine and the government to strengthen management and prevention to weed, as well as provide scientific datum to ensure environment and economical construction to develop continuously in Hubei province.