List of Articles Cardinal temperatures Open Access Article Abstract Page Full-Text 1 - Study of seed germination properties and determination of cardinal temperatures of Bitter Apple ( Citrullus colocynthis L.) as a medicinal plant Hamid Marvi Mohammad Armin Open Access Article Abstract Page Full-Text 2 - Effect of environmental factors on the in vitro properties of rootstock seeds Black nightshade (Solanum nigrum) Matineh Rezaei Sohrab Mahmoodi Afshar Azadbakht