The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.
选用24%氨氯吡啶酸水剂，对林地一年生及多年生阔叶杂草、灌木进行防除试验。
European annual wild lettuce having prickly stems; a troublesome weed in parts of United States.
长有带刺茎的欧洲一年生野生莴苣；美国部分地区一种有毒杂草。
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