Analysis of Main Quality Content Changes of Soybean Induced Progenies Treated with EMS at Different Time
In order to study the effect of different EMS treatment time on the main quality content of soybean induced progenies,0.5%EMS solution was used to treat high protein soybean line Gongjiao 1057-1 for 4,7 and 10 h respectively,the changes of main quality contents in four generations of induced mutation progenies after sowing were analyzed.The results showed that compared with the control,the survival rate of EMS-treated plants decreased with the prolongation of treatment time.EMS-4 had the highest survival rate(43.5%)and EMS-10 had the lowest survival rate(16.0%).Different EMS treatment time had significant effect on protein content,but had no significant effect on fat content.The protein content of EMS-4 treatment was higher than that of the other three treatments.After EMS-4 treatment,the protein content of M2 generation was significantly separated,and the superparent individuals appeared.The change of fat content was not significant.