5. Treatment methods (1)External Irradiation Seed irradiation Plant irradiation Organ irradiation Pollen irradiation Other kinds (2)Internal Irradiation (3P, 35S, 45Ca,.) Soaking 浸种法 Daubing 涂抹法 Injection注射法 fertilizing施入法(根部吸收) (3)Indirect Irradiation(ionized H2O) H2O—→O,HO,H,H2O25. Treatment Methods (1) External Irradiation • Seed irradiation • Plant irradiation • Organ irradiation • Pollen irradiation • Other kinds (2) Internal Irradiation( 32P, 35S, 45Ca, …) • Soaking 浸种法 • Daubing 涂抹法 • Injection 注射法 • Fertilizing 施入法（根部吸收） (3) Indirect Irradiation (ionized H2O) H2O O, HO, H, H 2O2