Investigated insecticides on Welsh onion, results indated: 8 item 13 section 22 species pest injuring Welsh onion.

对出口大葱虫害进行调查并室内鉴定，结果表明：出口大葱上虫害有8目13科22种。

A potyvirus was found to be causing rugose and yellow stripe symptoms in welsh onion in Zhangqiu county, Shandong province, China.

在山东章丘大葱上发现了一种引起畸形黄条症状的线状病毒。