摘要
采用 CO_2激光和 He-Ne 激光辐射洋葱两个品种的湿种子,采用随机区组设计,重复3次,利用生物统计学和生理生化的方法,从个体及生化水平上考查激光诱变洋葱 L_1代须根的生物学效应,结果表明:在须根长、须根数、须根重、须根活力等方面,表现为不同处理引起的生物学效应差异,激光种类不同,须根长的变异达到5%的显著差异,激光剂量不同引起须根数变异达5%的显著水平,激光辐射对洋葱根系活力表现刺激效应,可作为激光诱变洋葱育种参考。
wet seeds of two onion cultivars were trested by He—Ne Laser and CO_2 Laser at three dosage Levels separtely,A randonied complete block design of three replications was adopted.The biological effect was analysed with biotatistical Physiological and bichemical methods difference in the biological effects caused by various trestment were observed in length of adventitious root.number of adventitious.Fresh weight of adventitious root and acdtivate.The variability of adventitious root numbers is significant among the different dosage,the variability of length of adventitious roots is significant amony by He--Ne laser and N_2Laser.
