You can carry as many as you like. It doesn't matter as they count on strokes not balls. However, you are expected to use the same ball from tee to the hole unless you loose it, or it becomes unplayable due to damage. You can play a new ball on every hole if you wish.
In Golf there is no limit to the number of balls used. Depending on difficulty of the course and a players experience one single golfer could use as many balls as they have in their bag at the start of play.
A tour pro would have around a dozen golf balls in there bag per round, just in case. But it is completely up to the player.
You would find that a tour pro would use between 12 and 20 golf balls for a four round tournament.
Wilson sends 80 thousand balls to the US Open every year. Only about 70 thousand of them are used. The rest are givin to local court communitee programs
As many as you like...
== == You can carry as many golf balls as you want.
Then you go out and buy more.
A PGA Tour player, can use any golf ball that is on the list of conforming golf balls, which is published by the USGA and R and A. The PGA Tour operates a one ball rule, this means if the player tees off with a Pro V 1 x on the first hole, the only ball they can use during the tournament is a Pro V 1 x, or they will be disqualified.
In the amateur game yes, you are allowed to do so.
What clubs are suggested to carry in a golf bag
I think there is no such rules that tell that can disqualify any player that plays with too many golf balls.
To become prepared for a golf tournament, practice golfing.
It is a golf tournament between the American team and English team.
Gary Player in 1961