Tasmania 96 for 4 (Radhakrishnan 43, Scott 2-19) trail South Australia 398 for 6 dec (Sangha 151, Hunt 136, Meredith 4-95) by 302 runs

South Australia have overcome a frustratingly long rain delay to strike four late daggers on day two of their Sheffield Shield clash with Tasmania at Bellerive Oval.

But long periods of rain meant play didn't resume on Saturday until after 3pm AEDT. South Australia added 69 runs in the space of 12 overs before declaring at 398 for 6.

With just two days remaining, South Australia have the chance to enforce the follow-on if they can rattle through Tasmania's middle and lower order quickly on Sunday.

The lengthy rain delay on day two meant South Australia needed to up the ante when play finally resumed in the afternoon.