JOHANNESBURG, March 30 (Reuters) - Newly-appointed captain Tim Paine wants to prove that Australia have learned valuable lessons from the fallout over the ball-tampering scandal and began the process on Friday by instructing his players to radically tone down their toxic sledging culture.

* Crowd chant "where is Warner?" to taunt scandal-hit visitors (Adds details to close)

Mar 30 (OPTA) - Scoreboard at stumps on the first day of 4th test between South Africa and Australia on Friday at Johannesburg, South Africa South Africa are 313 for 6 South Africa 1st innings Dean Elgar c Chadd Sayers b Nathan Lyon 19 Aiden Markram c Mitchell Marsh b Pat Cummins 152 Hashim Amla c Peter Handscomb b Pat Cummins 27 AB de Villiers c Tim Paine b Chadd Sayers 69 Faf du Plessis lbw Pat Cummins 0 Temba Bavuma

* Markram reaches fourth test century as he plays anchor role

JOHANNESBURG, March 30 (Reuters) - Opener Aiden Markram led the way with an unbeaten half-century as South Africa took the morning honours against a much-changed Australia, going to lunch on 88 for one on the opening day of the fourth and final test on Friday.

Mar 30 (OPTA) - Scoreboard at stumps on the first day of 2nd test between New Zealand and England on Thursday at Christchurch, New Zealand England are 290 for 8 England 1st innings Alastair Cook b Trent Boult 2 Mark Stoneman c Tom Latham b Tim Southee 35 James Vince lbw Tim Southee 18 Joe Root b Tim Southee 37 Dawid Malan lbw Trent Boult 0 Ben Stokes c BJ Watling b Trent Boult 25 Jonny Ba

JOHANNESBURG, March 30 (Reuters) - Australia fast bowler Mitchell Starc has been ruled out of the fourth test against South Africa and the upcoming Indian Premier League due to a stress fracture in his leg, Cricket Australia said on Friday.