'Vine' in the Bible

'I am the true vine, and my Father is the husbandman;

remain in me, and I in you, as the branch is not able to bear fruit of itself, if it may not remain in the vine, so neither ye, if ye may not remain in me.

'I am the vine, ye the branches; he who is remaining in me, and I in him, this one doth bear much fruit, because apart from me ye are not able to do anything;