TaKu70 AND TaKu80 GENES RESPONSE PATTERNS AND GENOMIC POLYMORPHISM ANALYSIS OF WHEAT IRRADIATED BY GAMMA RAYS EFFECT OF LOW DOSE IRRADIATION OF 60Co γ-RAYS ON SEED GERMINATION, SEEDLING GROWTH AND ENZYMES ACTIVITY OF Lactuca sativa Bioeffect Comparison of Mutation Induction by Mixed High Energy Particle Field and γ-rays Irradiation in Alfalfa ’Longmu 803’ The Influence of Cordyceps sinensis(Berk.)Sacc.and Its Cultured Mycelia on Murine Platelets and Immune Organs after Irradiation with ~(60)Co γ-rays