Khomein, Markazi Prov. Nov 16, IRNA - Research scientists at the National Institute of Ornamental Plants in Mahallat, Markazi province, have registered and commercialized 600 species of chrysanthemum and presented them in the 13th Chrysanthemum Flower Exhibition held recently. Pejman Azadi, the head of the institute, said Iran had only produced 10 ...