Induced conchocelis seemly had lower mutation rates.However mutagenesis happened in their F1 thalli widely.The regularity of mutation expression in diploid cells was showed.

• 虽然经诱变的丝状体在藻丝阶段表现较低的突变率，然而诱变引发的突变却主要在后代配子体中表达，显示为二倍体细胞的突变表达规律。