List of Articles Knapweed Open Access Article Abstract Page Full-Text 1 - Study on biology and distribution of biocontrol agents of the knapweed Acroptilon repens L. in South Khorasan and introduction of Metzneria paucipunctella (Zeller, 1839) (Lep.: Gelechiidae) for Iran B. Khalil Tahmasbi S. Moodi Gh. Zamani GH. Assadi M. T. Alebrahim Open Access Article Abstract Page Full-Text 2 - The feasibility of the application of Russian knapweed (Acroptilon repens) extract as a biological herbicide for controlling some weeds in wheat and potato crop Mohammadtaghi Ale Ebrahim Peyman Jafarzad Saeid Khamari Afshar Azadbakht