Of course there is no substitute for playing with good sound and blend, and listening to the intonation. You can practice these intervals by setting your tuner to play any note as the root, and then playing a chromatic scale starting on that note and adjusting for each interval so that it sounds in tune. The chart above can be used as a guideline but use your ear. Make sure that you are fingering high Bb and B natural without the RH pinky. In addition, high Bb does not have the LH first finger down for the proper fingering and intonation.
Good intonation is one of the important keys to a good performance.
It is essential to practice intonation and to critically listen to everything around you for proper intonation.