1: Extend a term of imprisonment (7)
2: Like a high ranking diplomat's awful ambrosia salad (13)
3: Scheduled tilt with person in single combat (7)
4: Chain some; cuff objectors (3)
6: Pen opening regularly, bearing volatile, flammable liquid (7)
9: Raptor is well under par (5)
10: State that may be so ideal for sap (5,8)
12: Not being particular, Xena and I moved to Connecticut (7)
13: At sea I reused what's left (7)
16: Deep sleep, father recalled, is fitting (7)
18: Examples of containers (5)
19: Place to grow fruit trees, or a leafy veggie (7)
20: Settler rearranged alphabet components (7)
24: Choose to take the top off (3)
25: Mink, for one, may fly when theres trouble (3)