Table 3 Ascospore productivity in crosses of T strains with OR and 85
StrainaProductivity in Cross
× OR× 85
T (EB4)Nc++++
T (IBj5)Nc++++
T (UK14-1)Nc++++
T (B362i)Nc++++
T (EB4)Nt++++
T (IBj5)Nt++++
T (UK14-1)Nt++++
T (B362i)Nt++++
OR A++++
85 A++++
C4,T4 a+++++
  • Ascospore yield: − <100; 100 < ++ < 500; 500 < +++ < 5000; ++++ > 5000.

  • a TNc are N. crassa T strains and TNt are the translocation breakpoint-bearing homokaryons derived from self-fertile heterokaryons.