论文部分内容阅读
2013年7月,广东局技术中心植检室从南海局送检的进口阿根廷羊毛样品中截获检疫杂草鼠尾蒺藜草(cenchrus myosuroides),该杂草为禾本科蒺藜草属(非中国种),是我国进境植物检疫性有害生物。鼠尾蒺藜草果实样品由杂草检疫复核专家徐瑛研究员复核确认。鼠尾蒺藜草是美洲有害杂草,在我国没有分布,本次是我国首次截获该杂草。鼠尾蒺藜草识别特征:小穗一枚生于刺状总苞内,刺状总苞近圆筒形,长约5.5 mm,具多枚硬刺状刚毛,基部具短而粗的总梗;刚毛圆形,仅基部合生,表面具小倒刺,边缘无毛,直立或斜向上分散;结实
In July 2013, the phytosanitary laboratory of the Technical Center of Guangdong Bureau intercepted and quarantined the centipede weeds (Cenchrus myosuroides) from the imported Argentine wool samples seized by the South China Sea Bureau. The weeds were Gramineaceae (non-Chinese species) , Is China’s quarantine pests of entry plants. Tribulus terrestris fruit samples were reviewed and confirmed by weeping quarantine expert Xu Ying. Tribulus terrestris is a harmful weed in the Americas, there is no distribution in our country, this is China’s first interception of the weeds. Spermophilus triqueopsis recognition characteristics: a spikelet was born in spines involucre, spines involucral near cylindrical, about 5.5 mm, with many hard thorn bristles, base with short and thick total stem; Bristly rounded, only basally connate, with small barbs on surface, glabrous margin, erect or obliquely scattered;