TY - BOOK AU - El sharnouby,Mohamed Ehab TI - Effect of gamma irradiation and salinity on production and chemical composition of hypericum perforatum plant through tissue culture PY - 2002/// KW - Hypericum perforatum KW - Leaves KW - Effect of gamma rays on KW - Effect of salts on KW - Plant tissue culture N1 - Thesis (Ph.D.)--Cairo University, 2002; Includes bibliographical references (leaves 167-188); Microfiche; Cairo, Egypt; ASUNET; 4 microfiches:negative ER -