Prior to 4.2, we can not disable per-ap radio.
For troubleshooting, it will be very much helpful if there is a option to disable radio per-ap.
In 4.2 code, we can disable radio without rebooting or deleting ssid, which is a per AP setting.
When disable a/g radio per ap, the ssid on this radio of this iap will be off.
2. We cannot disable radio on per-iap using WebUi
Not supported in 4.2
In show radio config we can cross check the config: