2009年烟台口岸进境大豆携带杂草种子情况分析

Analysis of weed seeds from imported soybeans in yantai port in 2009

杂草具有生长顽强、繁殖率高、传播方式多样等特性,对农、牧业危害严重。本文总结了2009年烟台口岸进境大豆携带杂草概况。结果表明,大豆中共有33种杂草,其中检疫性杂草有假高粱、锯齿大戟、豚草、三裂叶豚草、刺蒺藜草5种,有毒杂草有假高粱、曼陀罗等9种;根据携带杂草概况分析了检疫性杂草的危险性及危害性,提出了防止有害杂草入境、扩散措施,为口岸防治杂草提供科学依据。

Weed seeds which have some characters such as bullheaded growth,high propagate rate,multiform of transmit mode,toxicity,do serious harm to the agriculture and animal husbandry.In order to provide scientific data for the prevent of weed seeds prevail in a country,weed seeds found from soybeans which imported into Yantai in 2009 were analyzed,the result shows that there were 33 species including quarantined weed seeds such as Sorghum halepense Pers.,Euphorbia dentata Michx.,Ambrosia trifida L.,Ambrosia artemisifolia L.,Cenchrus echinatus L.and toxic weeds such as Sorghum halepense Pers.,Datura stramonium L.and so on.Additional,the harm of quarantined weed seeds were evaluated and the same weed seed only comes from the same country were supposed.