Yamato's wood jutsu and kyuubi supressant jutsu are both kekki genkai.
The 1st could tame the tailed beasts and control them.
The 3rd didn't have a kekki genkai.
The ability to use ice is not a kekki genkai, but Haku's demonic ice mirrors are.
Wood jutsu is a kekki genkai, while ice and lava...