Cryptic crossword - The Scotsman 21/04/14

ACROSS

1 Did a sober band manage to grow some plants? (5,5)

6 New arrangement in force, initially unaffected (4)

10 First-class bids made for old treasure chests (7)

11 Pretended to be represented, but it’s in name only (7)

12 Holds up some lobsters ready to be cooked (8)

13 Hear of two Roman figures joining forces to come first (5)

15 Look to the Navy to be up-to-date (6)

17 Stars, etc, upset by broadcasts (8)

19 For example, one man in breach needs discipline (8)

21 Take double hold, losing power twice for a spell (6)

24 Was very anxious, at first, to stop being 18 down (5)

25 Worker in the theatre could be a wheeler-dealer (8)

28 Long distance runners had to stop at Queen’s (7)

29 Apprentice finds time to shower with a couple of additives (7)

30 Time for an assignation with boyfriend (4)

31 David developed trees, as publicised (10)

DOWN

1 Support second defender at the rear (4)

2 May have to ditch the wrong type of freight (7)

3 Doctors need two hands to come into line (5)

4 European flower suitable for a religious festival (6)

5 It’s an extraordinary thing to grow lucerne (8)

7 She made some deals in Milan, net terms agreed (8)

8 Some academics knowing about esprit de corps (10)

9 Bill went after one man, who turned out to be a pretender (8)

14 One romps about in drive, unprompted (10)

16 Engineers hanker after small sedatives (8)

18 Backed Rene to get odds worked out (8)

20 Did cavalier force everyone to get a new title, initially? (7)

22 Secures deposit for the foundation of an estate (7)

23 Is well-educated, but is still compassionate (6)

26 At short notice, fit to become accustomed to it (5)

27 Charge diner at the beginning of a large meal (4)