%0 Conference Proceedings %T Allelopathic effect of Pinus elderica Medw. Leaf extract on seed germination and seedling growth of four turfgrass genera %A Alizadeh, Behdad %A Tehranifar, Ali %A H. Salehi %A Shoor, Mahmoud %A Zargarian, Seyedmajid %A Kahrobaeian, Maryam %J 2th international Conference on landscape and urban Horticulture %D 2009