read the packaging...how close does it tell you it has to be quilted? some batts allow up to 10" between quilting lines- in which case yours will be fine- some need to be quilted every 2"-4"...if that is what you have you need to add more quilting...always check the batting package for the recommendation to ensure you have a batt that will (fit your plan)
if you need to add more you could do straight (diagonal) lines inside each block-starting at the sashing and going to the edge of each applique-that would take care of it (if it needs 2"-4" quilting)