Abstract: Irrigation apparatus comprising, in combination, a main water feed pipe made of elastically deformable material and at least one branch including a needle having a sharp end and sufficiently stiff to be capable of being connected to the main pipe by being forced through the wall thereof, wherein a portion of the inside surface of the wall of the main pipe includes an extra thickness of a resiliently deformable rubber material of hardness which is much less than that of the material constituting the wall of the pipe and which is suitable for sealing orifices formed through its bulk.