江西农业大学学报2016，Vol.38Issue(3)：492-498,518,8.
38种植物甲醇提取物除草活性的测定
Herbicidal Activities of Methanol Extracts of 38 Plants
摘要
Abstract
The herbicidal activities of 38 plant extracts were tested by vertical dish method of Arabidopsis thaliana (L.) Heynh.using the root growth inhibition as the index.The herbicidal activities of methanol extracts of 16 plants were further confirmed by Bidens pilosa L. using small glass method by inhibition of root length, stem growth and fresh weight.The results showed that 5 of them Chrysopogon aciculatus (Retz.),Elephantopus scaber L.,Artemisia japonica Thumb,Pesudolarix kaempferi (Lindl.) Gord and Ilex pernyi Franch) had obvious herbicidal activities,with IC50 values less than 1000 μg/mL. Among them, C. aciculatus,E. scaber and A. ja-ponica were the best.The IC50 value of C. aciculatus methanol extracts on root length,stem growth and fresh weight of Bidens pilosa L. were 489.38,558.88,652.38 μg/mL and the IC50 of E. scaber methanol extracts on the root length,stem growth and fresh weight of Bidens pilosa L. were 643.76,347.56,611.48μg/mL.The her-bicidal activities and the chemical constituents of these two plants deserve more studies.关键词
植物提取物/拟南芥/三叶鬼针草/除草活性Key words
plant extracts/herbicidal activity/Arabidopsis thaliana (L.) Heynh./Bidens pilosa L.分类
农业科技引用本文复制引用
吴娇,刘博,邝芷琪,周利娟..38种植物甲醇提取物除草活性的测定[J].江西农业大学学报,2016,38(3):492-498,518,8.基金项目
科技部中泰政府间合作项目( 20-612J) Project supported by the Sino-Thai Joint Research and Development Project,Ministry of Science and Technology ( 20-612J) （ 20-612J）
