OnTriggerEnter do not triggers (19227)

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1

I wrote this simple script to an i-pad game in which my Player should pick-up automatically apples (when Player and apple enter in touch) from the floor and add points to the score for that. I attached it as a this separate script to my Player and checked the Trigger marks, both in the apple and the Player. Although the easy this seems, the apple do not disappears; that is, I missed something I can't find. Any help, please.

var points : int = 0
function OnTriggerEnter(collisionInfo : Collider){
if(collisionInfo.gameObject.tag == "apple"){    
points++;
audio.PlayOneShot(appleCollect);
Destroy(collisionInfo.gameObject);  
}

}

@script RequireComponent(AudioSource)

2

Probably you need to add a rigidbody to one or both of the objects. From the documentation for Box Collider:

Be aware that in order for two Triggers to send out trigger events when they collide, one of them must include a Rigidbody as well. For a Trigger to collide with a normal Collider, one of them must have a Rigidbody attached. For a detailed chart of different types of collisions, see the collision action matrix in the Advanced section below.

The same is true for the other collider types.