1: Aquatic plant providing a variety of materials (5,4)
3: Stiff spelunker swallowed plug (7)
4: Stops trains and big trucks (7)
5: A legendary string player, he joins us after turning professional (7)
6: Rear oat variety as a way to break up the soil (7)
7: Film relay got mixed up (5)
9: Upward in Aspen (or thereabouts) (5)
11: No French islands for the other Dr. Crane (5)
16: Relaxed back at vicarage with a NZ channel (6,3)
18: D*** petrol pump sample? (7)
19: Hold spellbound in the tenth rally (7)
20: Diet I'm crazy about will eventually set boundaries (7)
21: Pick a wrong angle (5)
22: Little singer returned, following band to total a hairy little mother with seating for one. (7)
23: Changes orders and loses 100 (5)
24: Not make it around first lash of whip (5)