Indices of Sensitivity of plants LD50(半致死率);D50(半致矮率) (3) General rate of dosage for plants(table 11-3, 4) Seed treatment Dry seed, 60-100 R/min Pollen treatment 10R/min 1R=258×104C/kg;1C/kg=3876×103R(2) Indices of Sensitivity of plants • LD50 (半致死率）；D50 (半致矮率） (3) General rate of dosage for plants (table 11-3,4) • Seed treatment Dry seed, 60-100 R/min • Pollen treatment 10R/min 1R=2.58×10-4C/kg； 1C/kg=3.876×103R